| Manufacturer |
Airspeed Ltd |
NAMC |
| Description |
The Airspeed AS.57 Ambassador is a British twin piston-engined airliner that was designed and produced by the British aircraft manufacturer Airspeed Ltd. |
The NAMC YS-11 is a turboprop airliner designed and built by the Nihon Aircraft Manufacturing Corporation (NAMC), a Japanese consortium. |
| ICAO Code |
|
YS11 |
| First Flight |
1947-07-10 |
1962-08-30 |
| Entry Into service |
1951-01-01 |
1965-03-30 |
| Production End |
1953-01-01 |
1974-01-01 |
| Designer |
Airspeed Ltd |
NAMC |
| Type |
Airliner |
Turboprop airliner |
| Length (m) |
24.6888 |
26.3 |
| Height (m) |
5.4864 |
8.98 |
| Cockpit Crew |
3 |
2 |
| Max Seating |
60 |
64 |
| Max Speed (km/h) |
502.1153 |
|
| Cruise Speed (km/h) |
482.8032 |
469 |
| Min Speed (km/h) |
|
140 |
| Max Ceiling (m) |
|
6982 |
| Rate of Climb (m/s) |
7.7216 |
6.2 |
| Capacity Description |
Up to 60 passengers |
64 passengers / 6604 kg |
| National Origin |
|
Japan |
| Number Built |
23 |
182 |
| Powerplant Description |
2 × Bristol Centaurus 661 18-cylinder air-cooled sleeve-valve piston engines, 1957 kW (2625 hp) each |
2 × Rolls-Royce Dart Mk.542-10K turboprop engines, 2250 kW (3017 hp) each |
| Primary Users |
British European Airways |
|
| Status |
Retired |
Three in service with the Japan Air Self-Defense Force (as of 30 June 2024) |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/Airspeed_Ambassador |
en.wikipedia.org/wiki/NAMC_YS-11 |
| Flat Wing Span (m) |
35.052 |
32 |
| Flat Wing Area (m²) |
111.4836 |
94.83 |
| Flat Wing Aspect Ratio |
11 |
10.8 |
| Wake Category |
|
M |
| Number of Engines |
2 |
2 |