# Fly Air Swallow

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Bulgarian ultralight trike

Swallow General information Type Ultralight trike National origin Bulgaria Manufacturer Fly Air Limited Status Production completed History Introduction date 2007

The **Fly Air Swallow** is a [Bulgarian](/source/Bulgaria) [ultralight trike](/source/Ultralight_trike), designed and produced by [Fly Air Limited](/source/Fly_Air_Limited) of [Pravets](/source/Pravets). When it was available the aircraft was supplied as a complete ready-to-fly-aircraft.[1]

## Design and development

The Swallow was designed to comply with the [Fédération Aéronautique Internationale](/source/F%C3%A9d%C3%A9ration_A%C3%A9ronautique_Internationale) [microlight](/source/Microlight) category, including the category's maximum gross weight of 450 kg (992 lb). The aircraft is a "cozy" two seater, with the occupants both sitting very close together.[1]

The Swallow features a [cable-braced](/source/Flying_wires) [hang glider](/source/Hang_glider)-style [high-wing](/source/High-wing), weight-shift controls, a two-seats-in-[tandem](/source/Tandem) open cockpit with a [cockpit fairing](/source/Cockpit_fairing), [tricycle landing gear](/source/Tricycle_landing_gear) and a single engine in [pusher configuration](/source/Pusher_configuration).[1]

The aircraft carriage structure is made from welded [stainless steel](/source/Stainless_steel) tubing, with its single surface wing covered in [Dacron](/source/Dacron) sailcloth. Its 10.4 m (34.1 ft) span wing is supported by a single tube-type [kingpost](/source/Kingpost) and uses an "A" frame weight-shift control bar. The powerplant is a twin cylinder, air-cooled, [two-stroke](/source/Two-stroke), [dual-ignition](/source/Dual-ignition) 50 hp (37 kW) [Rotax 503](/source/Rotax_503), with the liquid-cooled 64 hp (48 kW) [Rotax 582](/source/Rotax_582) engine optional. Main [landing gear](/source/Landing_gear) suspension is provided. The aircraft has an empty weight of 131 kg (289 lb) and full fuel capacity of 25 litres (5.5 imp gal; 6.6 US gal).[1]

The standard wings offered with the basic carriage were the [La Mouette Ipsos](https://en.wikipedia.org/w/index.php?title=La_Mouette_Ipsos&action=edit&redlink=1) series, in wing areas of 12, 14, 16 and 16.9 square metres.[1]

## Specifications (Swallow with La Mouette Ipsos 16 wing)

*Data from* Bayerl[1]

**General characteristics**

- **Crew:** one

- **Capacity:** one passenger

- **Wingspan:** 10.4 m (34 ft 1 in)

- **Wing area:** 15.6 m2 (168 sq ft)

- **Empty weight:** 131 kg (289 lb)

- **Fuel capacity:** 25 litres (5.5 imp gal; 6.6 US gal)

- **Powerplant:** 1 × [Rotax 503](/source/Rotax_503) twin cylinder, air-cooled, [two stroke](/source/Two_stroke) [aircraft engine](/source/Aircraft_engine), 37 kW (50 hp)

- **Propellers:** 3-bladed composite

**Performance**

- **Maximum speed:** 110 km/h (68 mph, 59 kn)

- **Stall speed:** 48 km/h (30 mph, 26 kn)

## See also

- [Fly Air Trike Moster](/source/Fly_Air_Trike_Moster)

## References

1. ^ [***a***](#cite_ref-WDLA11_1-0) [***b***](#cite_ref-WDLA11_1-1) [***c***](#cite_ref-WDLA11_1-2) [***d***](#cite_ref-WDLA11_1-3) [***e***](#cite_ref-WDLA11_1-4) [***f***](#cite_ref-WDLA11_1-5) Bayerl, Robby; Martin Berkemeier; et al: *World Directory of Leisure Aviation 2011-12*, page 212. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

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Adapted from the Wikipedia article [Fly Air Swallow](https://en.wikipedia.org/wiki/Fly_Air_Swallow) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Fly_Air_Swallow?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.