Issoire D 77 Iris
Issoire Aviation · France · first flew 1977 · glider
The Issoire Iris was a conventional single-seat mid-wing sailplane of fibreglass construction, produced in France in the early 1980s and intended to be easy to fly for the novice pilot.
Recognition (WEFT)
| W — Wings | Mid-mounted, straight |
|---|---|
| E — Engines | 1 × none, embedded-mounted |
| F — Fuselage | 6.37 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Mid-wing single-seat sailplane
- Fibreglass construction
- Low-set tailplane on production aircraft
Look for a small mid-wing fibreglass glider, 6.37 m long with a 13.5 m wingspan and a low-set tailplane.
Specifications
- The Issoire D 77 Iris has a length of 6.37 m (21 ft).
- It has a wingspan of 13.5 m (44 ft).
- Its maximum speed is 232 km/h (144 mph).
- Typical crew: 1.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
The prototype first flew on 26 February 1977 and made its first public appearance at the 1977 Paris Air Show. It completed flight testing with the CEV early the following year.
Variants
The prototype was designed with a T-tail, but the Iris was produced with a conventional, low-set tailplane.
Where you'll see it
The Iris was built by Siren, CERVA and Issoire. It had a glide ratio of 33.
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- Ball-Bartoe JW-1 Jetwing
- Cessna 152
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