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Paragliding

Equipment

Wing

Parts of a paraglider

The paraglider wing or canopy is known in aeronautical engineering as a ram-air airfoil, or parafoil. Such wings comprise two layers of fabric which are connected to internal supporting material in such a way as to form a row of cells. By leaving most of the cells open only at the leading edge, incoming air (ram-air pressure) keeps the wing inflated, thus maintaining its shape. When inflated, the wing's cross-section has the typical teardrop aerofoil shape.

In some modern paragliders (from the 1990s onwards), especially higher performance wings, some of the cells of the leading edge are closed to form a cleaner aerodynamic airfoil. Like the wingtips, these cells are kept inflated by the internal pressure of the wing Wings Infos.

The pilot is supported underneath the wing by a network of lines. The lines are gathered into two sets as left and right risers. The risers collect the lines in rows from front to back in either 3 or 4 rows, distributing load as in a whippletree. The risers are connected to the pilot's harness by two carabiners.

Paraglider wings typically have an area of 2035 square metres (220380 sq ft) with a span of 812 metres (2639 ft), and weigh 37 kilograms (6.615 lb). Combined weight of wing, harness, reserve, instruments, helmet, etc. is around 1218 kilograms (2640 lb).

The glide ratio of paragliders ranges from 8:1 for recreational wings, to about 11:1 for modern competition models[citation needed]. For comparison, a typical skydiving parachute will achieve about 3:1 glide. A hang glider will achieve about 15:1 glide. An idling (gliding) Cessna 152 will achieve 9:1. Some sailplanes can achieve a glide ratio of up to 72:1.

The speed range of paragliders is typically 2060 kilometres per hour (1237 mph), from stall speed to maximum speed. Beginner wings will be in the lower part of this range, high-performance wings in the upper part of the range. The range for safe flying will be somewhat smaller.

Modern paraglider wings are made of high-performance non-porous fabrics such as OLKS from Gelvenor, with Dyneema/Spectra or Kevlar/Aramid lines.

For storage and carrying, the wing is usually folded into a stuffsack (bag), which can then be stowed in a large backpack along with the harness. For pilots who may not want the added weight or fuss of a backpack, some modern harnesses include the ability to turn the harness inside out such that it becomes a backpack.

Tandem paragliders, designed to carry the pilot and one passenger, are larger but otherwise similar. They usually fly faster with higher trim speeds, are more resistant to collapse, and have a slightly higher sink rate compared to solo paragliders.

Since 2000 Juan Salvadori in Argentina has been exploring a variant wing termed Paramontante that involves some firm beams. In April 2009 Pere Casellas has joined in a collaboration with Juan Salvadori for polishing the paramontante. Laboratori d'envol Paramontante

Harness

Pilot with harness (light blue) doing reverse launch

The pilot is loosely and comfortably buckled into a harness which offers support in both the standing and sitting positions. Modern harnesses are designed to be as comfortable as a lounge chair in the sitting position. Many harnesses even have an adjustable 'lumbar support'. A reserve parachute is also typically connected to a paragliding harness.

The primary purpose of parachutes (including skydiving canopies) is for descending, as when jumping out of an aircraft or dropping cargo. In contrast, the primary purpose of paragliders is for ascending. Paragliders are categorized as "ascending parachutes" by canopy manufacturers worldwide, and are designed for "free flying" meaning flight without a tether (for an example of tethered flight, see parasailing). However, in areas without high launch points, paragliders may be towed aloft by a ground vehicle or a stationary winch, after which they are released, creating much the same effect as a mountain launch. Such tethered launches can give a paraglider pilot a higher starting point than many mountains do, offering similar opportunities to catch thermals and to remain airborne by "thermaling" and other forms of lift. As free flight, paragliding requires the significant skill and training required for aircraft control, including aeronautical theory, meteorological knowledge and forecasting, personal/emotional safety considerations, adherence to applicable Federal Aviation Regulations (US), and knowledge of equipment care and maintenance.

Instruments

Most pilots use variometers, radios, and, increasingly, GPS units when flying.

Variometer

Vario-altimeter

Birds are highly sensitive to atmospheric pressure, and can tell when they are in rising or sinking air. People can sense the acceleration when they first hit a thermal, but cannot detect the difference between constant rising air and constant sinking air, so turn to technology to help. Modern variometers are capable of detecting rates of climb or sink of 1 cm per second, such is the case of the Flymaster B1 which uses extremely low noise electronics and complex algorithms to detect such minute changes in air pressure.

A variometer indicates climb-rate (or sink-rate) with short audio signals (beeps, which increase in pitch and tempo during ascent, and a droning sound, which gets deeper as the rate of descent increases) and/or a visual display. It also shows altitude: either above takeoff, above sea level, or (at higher altitudes) "flight level."

The main purpose of a variometer is in helping a pilot find and stay in the "core" of a thermal to maximise height gain and, conversely, to indicate when a pilot is in sinking air and needs to find rising air.

The more advanced variometers have an integrated GPS. This is not only more convenient, but also allows one to record the flight in three dimensions. The track of the flight is digitally signed and stored and can be downloaded after the landing. Digitally signed tracks can be used as proof for record claims, replacing the 'old' method of photo documentation.

2m-band radio

Radio

Pilots use radio for training purposes, for communicating with other pilots in the air, particularly when travelling together on cross-country flights, and for reporting the location of landing.

Radios used are PTT (push-to-talk) transceivers, normally operating in or around the FM VHF 2-metre band (144148 MHz). The "2 Meter" band is an amateur radio band, sometimes used for interpersonal communications, and Aviation Frequencies are usually 108MHz to 136MHz. Usually a microphone is incorporated in the helmet, and the PTT switch is either fixed to the outside of the helmet, or strapped to a finger.

GPS

GPS (global positioning system) is a necessary accessory when flying competitions, where it has to be demonstrated that way-points have been correctly passed.

It can also be interesting to view a GPS track of a flight when back on the ground, to analyze flying technique. Computer software is available which allows various different analyses of GPS tracks (e.g. CompeGPS, See You).

Other uses include being able to determine drift due to the prevailing wind when flying at altitude, providing position information to allow restricted airspace to be avoided, and identifying one location for retrieval teams after landing-out in unfamiliar territory.

More recently, the use of GPS data, linked to a computer, has enabled pilots to share 3D tracks of their flights on Google Earth. This fascinating insight allows comparisons between competing pilots to be made in a detailed 'post-flight' analysis.

Control

Speedbar mechanism.

Brakes: Controls held in each of the pilot hands connect to the trailing edge of the left and right sides of the wing. These controls are called 'brakes' and provide the primary and most general means of control in a paraglider. The brakes are used to adjust speed, to steer (in addition to weight-shift), and flare (during landing).

Weight Shift: In addition to manipulating the brakes, a paraglider pilot must also lean in order to steer properly. Such 'weight-shifting' can also be used for more limited steering when brake use is unavailable, such as when under 'big ears' (see below). More advanced control techniques may also involve weight-shifting.

Speed Bar: A kind of foot control called the 'speed bar' (also 'accelerator') attaches to the paragliding harness and connects to the leading edge of the paraglider wing, usually through a system of at least two pulleys (see animation in margin). This control is used to increase speed, and does so by decreasing the wing's angle of attack. This control is necessary because the brakes can only slow the wing from what is called 'trim speed' (no brakes applied). The accelerator is needed to go faster than this.

More advanced means of control can be obtained by manipulating the paraglider's risers or lines directly:

Most commonly, the lines connecting to the outermost points of the wing's leading edge can be used to induce the wingtips to fold under. The technique, known as 'big ears', is used to increase rate of descent (see picture).

The risers connecting to the rear of the wing can also be manipulated for steering if the brakes have been severed or are otherwise unavailable.

In a 'B-line stall', the second set of risers from the leading-edge/front is gently pulled down to put a crease across the lower surface of the wing (this will also distort the upper surface) acting as an 'air brake' significantly reducing airspeed. The combination of reduced forward airspeed and increased vertical airspeed destroys the laminar flow of air over the aerofoil, dramatically reducing the lift produced by the canopy, thus inducing a higher rate of descent.

Fast Descents

Big Ears, Rocky Point, NY.

Problems with etting down can occur when the lift situation is very good or when the weather changes unexpectedly. There are three possibilities of rapidly reducing altitude in such situations, each of which has benefits and issues to be aware of:

Big ears induces descent rates of 2m/s or so. It is the most controllable of the techniques, and the easiest for beginners to learn.

A B-line stall induces descent rates of 5m/s or so. It increases loading on parts of the wing (the pilot's weight is mostly on the B-lines, instead of spread across all the lines). There is not a risk of the pilot becoming disoriented as a result of using this technique.

A spiral dive offers the fastest rate of descent, at 10-15m/sec. It places greater loads on the wing than other techniques do, and requires the highest level of skill from the pilot to execute safely.

Big Ears

By pulling on the outer A-lines the wing tips of the glider can be folded in. This method drastically deteriorates the glide angle with only a small decrease in forward speed. The effectiveness of this technique can be increased by using the speed system at the same time.

To reinflate on a low performance glider (e.g. DHV1 rated) it is simply necessary to release the lines. On higher performance gliders (e.g. DHV1/2 and above) it may be necessary to help the reinflation with brief, deep pumps of the brakes.

Whilst big ears are in use, the loading on the remaining flying surface of the glider is increased and it is therefore more stable and less prone to collapse. However there is an increased increase of stalling because 'pulling the ears' increases the angle of attack and reduces the speed of the wing. So while 'ears' and speed bar is a good combination, 'ears' and brake is not - it is best not to use the brakes when the ears are 'in'.

B-Line stall

In a 'B-line stall', the second set of risers from the leading-edge/front (the B-lines) are pulled down independently of the other risers. This puts a crease in the upper surface of the wing, thereby destroying the laminar flow of air over the aerofoil. This dramatically reduces the lift produced by the canopy and thus induces a higher rate of descent.

The B-line stall should be initiated with the wing in normal flight (no speed bar; not accelerated). Grasp the B-lines on both sides above the line links and pull them down. There is no need to release the toggles while B-stalling. DHV 1/2 wings are very resistant to creasing; the pilot may have pull on the B-lines with sufficient force to almost lift themself out of the seat to get the wing to crease. Once the crease is in, it requires less effort to keep it in that it does to initiate it.

The sensation for the pilot when the B-line stall is induced is that the breeze is upwards rather than in your face. Pulling the B-lines even further down will not enhance the sink rate, but can lead to a more unstable flight position.

To recover from the B-line stall, release the B-risers so that the aerofoil shape of the wing is resumed. This will normally be sufficient to resume normal flight, but if the canopy remains in a stall push forward gently on the A-risers to lower the leading edge of the wing and reattach the laminar airflow to the upper surface of the wing.

Spiral Dive

The spiral dive is the most rapid form of controlled fast descent. With a little bit of practice you will achieve a sink rate of 15 m/s and more.

However, spiral dives put strong G-forces on the wing and glider and must be done carefully and skilfully. The G-forces involved can induce blackouts, and the rotation can produce disorientation. Spiral dives, as with all paragliding techniques, are best learned under expert supervision. Paragliding 'SIV' courses offer a chance to practice spiral dives over water with a rescue boat standing by.

The spiral dive is initiated by pulling the brake on one side and holding it down. Constant pulling on one brake narrows the radius of the turn and forms a spiral rotation in which high sink rates can be reached. As soon as the glider is in a spiral dive (clear increase of sink rate and turn bank), the outside wing should always be stabilised with the outside brake and the desired sink rate should be controlled with great delicacy.

Flying

Take off from a ramp, Tegelberg, Schwangau, Germany.

Launching

Paraglider reverse launch demonstration video

Reverse launch, Fiesch, Switzerland.

Paraglider towed launch, Mirosawice, Poland.

As with all aircraft, launching and landing are done into wind (though in mountain flying, it is possible to launch in nil wind and glide out to the first thermal).

Forward launch

In low winds, the wing is inflated with a orward launch, where the pilot runs forward so that the air pressure generated by the forward movement inflates the wing.

Reverse launch

In higher winds, particularly ridge soaring, a everse launch is used, with the pilot facing the wing to bring it up into a flying position, then turning under the wing to complete the launch.

Reverse launches have a number of advantages over a forward launch. It is more straight forward to inspect the wing and check the lines are free as it leaves the ground. In the presence of wind, the pilot can be tugged toward the wing and facing the wing makes it easier to resist this force, and safer in case the pilot slips (as opposed to being dragged backwards). These launches are normally attempted with a reasonable wind speed making the ground speed required to pressurise the wing much lower - the pilot is initially launching while walking forwards as opposed to running backward.

Towed launch

Paraglider launching in Arax, Brazil.

In flatter countryside pilots can also be launched with a tow. Once at full height, the pilot pulls a release cord and the towline falls away. This requires separate training, as flying on a winch has quite different characteristics from free flying. There are two major ways to tow: Pay-in and pay-out towing. Pay-in towing involves a stationary winch that pays in the towline and thereby pulls the pilot in the air. The distance between winch and pilot at the start is around 500 meters or more. Pay-out towing involves a moving object, like a car or a boat, that pays out line slower than the speed of the object thereby pulling the pilot up in the air. In both cases it is very important to have a gauge indicating daN to avoid pulling the pilot out of the air. There is one other form of towing; tatic towing. This involves a moving object, like a car or a boat, attached to a paraglider or hanglider with a fixed length line. This is very dangerous because now the forces on the line have to be controlled by the moving object itself, which is almost impossible to do. With static line towing a lockout is bound to happen sooner or later. Static line towing is forbidden in most countries and if not, should be avoided at all cost.

Landing

Landing involves lining up for an approach into wind, and just before touching down, laring the wing to minimise horizontal speed. In light winds, some minor running is common. In moderate to medium headwinds, the landings can be without forward speed.

Ridge soaring

In ridge soaring, pilots fly along the length of a ridge feature in the landscape, relying on the lift provided by the air which is forced up as it passes over the ridge.

Ridge soaring is highly dependent on a steady wind within a defined range (the suitable range depends on the performance of the wing and the skill of the pilot). Too little wind, and insufficient lift is available to stay airborne (pilots end up cratching along the slope). With more wind, gliders can fly well above and forward of the ridge, but too much wind, and there is a risk of being lown back over the ridge.

Paraglider in front of Mont Blanc

Thermal flying

When the sun warms the ground, it will warm some features more than others (such as rock-faces or large buildings), and these set off thermals which rise through the air. Sometimes these may be a simple rising column of air; more often, they are blown sideways in the wind, and will break off from the source, with a new thermal forming later.

Once a pilot finds a thermal, he or she begins to fly in a circle, trying to center the circle on the strongest part of the thermal (the "core"), where the air is rising the fastest. Most pilots use a ario (vario-altimeter), which indicates climb rate with beeps and/or a visual display, to help ore-in on a thermal.

Coring: The technique to "core" a thermal is simple: turn tighter as lift decreases, and turn less as lift increases. This ensures you are always flying around the core.

Often there is strong sink surrounding thermals, and there is often also strong turbulence resulting in wing collapses as a pilot tries to enter a strong thermal. Once inside a thermal, shear forces reduce somewhat and the lift tends to become smoother.

Paragliders in the air at Torrey Pines Gliderport

Good thermal flying is a skill which takes time to learn, but a good pilot can often "core" a thermal all the way to cloud base.

Cross-country flying

Once the skills of using thermals to gain altitude have been mastered, pilots can glide from one thermal to the next to go ross-country (C). Having gained altitude in a thermal, a pilot glides down to the next available thermal. Potential thermals can be identified by land features which typically generate thermals, or by cumulus clouds which mark the top of a rising column of warm, humid air as it reaches the dew point and condenses to form a cloud. In many flying areas, cross-country pilots also need an intimate familiarity with air law, flying regulations, aviation maps indicating restricted airspace, etc.

In-flight Wing Deflation (Collapse)

Since the shape of the wing (airfoil) is formed by the moving air entering and inflating the wing, in turbulent air part or all of the wing (airfoil) can deflate (collapse). Piloting techniques referred to as "active flying" will greatly reduce the frequency and severity of deflations or collapses. On modern recreational wings, such deflations will normally recover themselves without pilot intervention. In the event of a severe deflation, correct pilot input will speed recovery from a deflation, but incorrect pilot input may slow the return of the glider to normal flight, so pilot training and practice in correct response to deflations is necessary. For the rare case where it is not possible to recover from a deflation (or from other threatening situations such as a spin), most pilots carry a reserve (rescue, emergency) parachute. Most pilots never have cause to hrow their reserve. In case the wing deflation happens near ground, i.e. shortly after takeoff or just before landing, the wing (paraglider) may not recover (airfoil shape) even with pilot intervention and there may not be enough time for successful rescue parachute deployment. Those cases can result in serious bodily injury or death. In-flight wing deflation and other hazards are minimized by flying a suitable glider and choosing appropriate weather conditions and locations for the pilot's skill and experience level.

Sports/competitive flying

Some pilots like to stretch themselves beyond recreational flying. For such pilots, there are multiple disciplines available:

Cross-country leagues annual leagues of the greatest distance C flying

"Comps" competitive flying based around completing a number of tasks such as flying around set waypoints

Accuracy spot landing competitions where pilots land on targets with a 3 cm centre spot out to a full 10 meter circle.

"Acro" aero-acrobatic manoeuvres and stunt flying; heart stopping tricks such as helicopters, wing-overs, synchro spirals, infinity tumbles, and so on.

National/international records despite continually improving gliders, these become ever more difficult to achieve; aside from longest distance and highest altitude, examples include distance to declared goal, distance over triangular course, speed over 100 km triangular course, etc.

Competitive flying is done on high performance wings which demand far more skill to fly than their recreational counterparts, but which are far more responsive and offer greater feedback to the pilot, as well as flying faster with better glide ratios.

See also: World Air Games

The current world champion is Andy Aebi of Switzerland; he won the title in February 2009 at Valle de Bravo in Mexico. His predecessor was Bruce Goldsmith.

Safety

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Paragliders launching video in Arax.

Paragliding is perhaps often viewed as a higher-risk sport than it actually is. Nonetheless, there is great potential for injury for the reckless or ill-prepared.

The safety of the sport is directly influenced by the skill and sense of the pilot. It's important to note that almost all paragliding accidents are the result of pilot error. Paragliding equipment is very well built and, if properly cared for, will almost never fail. As an example, the average paraglider has around 30 lines connected to the risers, yet each one is strong enough to support the full weight of a pilot individually. Aerodynamically, newer paragliders that are not within advanced or competition categories are rated for safety and will tend to recover from most incidents on their own (without pilot intervention).

Given that equipment failure of properly certified paragliding equipment can be considered a non-issue, it is accurate to say that paragliding can be a very safe sport. The individual pilot is the ultimate indicator of his or her personal safety level.

In general:

The safe pilot will not fly at sites that pose an unreasonable challenge to his/her flying skills.

The safe pilot will not be influenced by the possibly negative examples set by others.

The safe pilot will only fly on days in which the weather is conducive to safe flight. Turbulence in all its forms is enemy #1 for a flying paraglider wing. Because paragliders have no solid support, their shape (and ability to fly) can be ruined by an errant down draft or the like. Therefore, turbulence or conditions conducive to turbulence generation is a primary factor in determining whether the weather is safe.

The following weather is to be avoided:

Excessive wind speed or gustiness. 15 mph (24 km/h) wind is fairly windy for a paraglider, and most pilots won't take off in much more wind than that. High winds will also increase the effect of mechanical turbulence. Gusty conditions will make take-offs and landings more dangerous and will make collapses more likely while in flight. The limit of 15 mph is fairly arbitrary, and also depends on local parameters. At some sites people fly safely at 20 mph winds, at other sites 10 mph may be too much.

A wind direction that will not allow a take-off (or landing) into the wind, or at least generally so. Tail-wind take-offs are to be avoided at all cost. Assurance that an [apparent] headwind is not actually a 'rotor' is also critical (rotors comprise a form of mechanical turbulence).

Excessively high atmospheric instability, indicated in part by overdeveloped cumulus clouds, or in worse situations by cumulo-nimbus cloud formation. Such conditions will contribute to turbulence. If cumulo-nimbus (thunderstorm) clouds are anywhere in sight, the effect of severe atmospheric instability may exist where you are.

Rain or snow. Because a paraglider wing is made from fabric, it has the ability to absorb moisture. Moreover, the weight (or lack thereof) of a paraglider wing is critical to its performance. Flying into heavy rain or snow will weigh the wing down and may terminate a flight quickly. A wet wing is also less controllable, less stable and will exhibit less tendency to recover into normal flight.

General safety precautions include pre-flight checks, helmets, harnesses with back protection (foam or air-bag), reserve parachutes, and careful pre-launch observation of other pilots in the air to evaluate conditions.

For pilots who want to stretch themselves into more challenging conditions, advanced IV (simulation dncidents en vol, or simulation of flying incidents) courses are available to teach pilots how to cope with hazardous situations which can arise in flight. Through instruction over radio (above a lake), pilots deliberately induce major collapses, stalls, spins, etc, in order to learn procedures for recovering from them. (As mentioned above, modern recreational wings will recover from minor collapses without intervention).

As always, fatalities and freak accidents can occur, but most properly-trained, responsible pilots risk only minor injuries, such as twisted ankles.

Learning to fly

Most popular paragliding regions have a number of schools, generally registered with and/or organized by national associations. Certification systems vary widely between countries, though around 10 days instruction to basic certification is standard.

Flying above Stubaital, Austria

There are several key components to a paragliding pilot certification instruction program. Initial training for beginning pilots usually begins with some amount of ground school to discuss the basics, including elementary theories of flight as well as basic structure and operation of the paraglider.

Students then learn how to control the glider on the ground, practicing take-offs and controlling the wing 'overhead'. Low, gentle hills are next where students get their first short flights, flying at very low altitudes, to get used to the handling of the wing over varied terrain. Special winches can be used to tow the glider to low altitude in areas that have no hills readily available.

As their skills progress, students move on to steeper/higher hills (or higher winch tows), making longer flights, and learning to turn the glider, control the glider's speed, then moving on to 360 turns, spot landings, ig ears (used to increase the rate of descent for the paraglider), and other more advanced techniques. Training instructions are often provided to the student via radio, particularly during the first flights.

A third key component to a complete paragliding instructional program provides substantial background in the key areas of meteorology, aviation law, and general flight area etiquette.

Tandem paraglider launch

To give prospective pilots a chance to determine if they would like to proceed with a full pilot training program, most schools offer tandem flights, in which an experienced instructor pilots the paraglider with the prospective pilot as a passenger. Schools often offer pilot's families and friends the opportunity to fly tandem, and sometimes sell tandem pleasure flights at holiday resorts.

Most recognised courses lead to a national licence and an internationally recognised International Pilot Proficiency Information/Identification card. The IPPI specifies five stages of paragliding proficiency, from the entry level ParaPro 1 to the most advance stage 5.

World records

FAI (Fdration Aronautique Internationale) world records:

Straight distance 461.6 km: Frank Brown, Marcelo Prieto, Rafael Monteiro Saladini (Brazil); Quixada Duque, Brazil; 14 November 2007.

Straight distance to declared goal 368.9 km: Alja Vali, Urban Vali (Slovenia); Vosburg Jamestown (South Africa); 7 December 2006

Gain of height 4526 m: Robbie Whittall (UK); Brandvlei (South Africa); 6 January 1993

Other records (distance/speed for out-and-return and triangular course) can be seen on the FAI site

Recently a flight of over 500 km was made by Nevil Hulett in excellent conditions in South Africa; Flight record

Pilot numbers

A multi-national contingent in the air in Bali

Numbers of actively flying pilots can only be a rough estimate, but France is believed to have the largest number, at around 25,000. Next most active flying countries are Germany, Austria, Switzerland, Japan, and Korea, at around 10,000 20,000, followed by Italy, the UK, and Spain with around 5,000 10,000. The USA has around 4,500. (All as of 2004).

See also

Foot-launched Powered Hang Glider

Glider (sailplane)

Comparison between paragliders, hang gliders and sailplanes

Gliding

Hang gliding

Powered paragliding

Torrey Pines Gliderport

Parahawking

v  d  e

Extreme Sports

Board sports

Snowboarding  Sandboarding  Windsurf  Kitesurfing  Riverboarding  River surfing  Surfing  Flowboarding  Skysurfing  Skateboarding  Mountainboarding  Snowskate   Wakeboarding

Motor sports

Motocross  Snocross  Rallying  Drifting  Motorcycle rally

Water sports

Rafting   Whitewater kayaking  Whitewater canoeing   Free diving   Scuba_diving

Mountaineering

Ice climbing  Rock Climbing  Bouldering  Canyoning  Free solo climbing

Free-fall

Parachuting  Bungee jumping  Wingsuit flying  BASE jumping

Flying

Paragliding  Hang gliding

Others

Mountain biking  BMX  Inline skating   Cliff diving   Paintball   Jibbing

References

^ US Pat. 2734706 - Filed October 17, 1952.

^ Walter Neumark, "The Future of Soaring", Flight magazine, 14 May 1954

^ History of Paragliding

^ Pilot Profile: David Barish, the Probable Inventor of the Paraglider

^ a b David Barish, The Forgotten Father of Paragliding

^ Jean-Claude Btemps: i invent le parapente

^ FAI Hang Gliding and Paragliding World Records

^ How many pilots worldwide?

External links

Wikimedia Commons has media related to: Paragliding

Paragliding at the Open Directory Project

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