| Manufacturer |
Glenn L. Martin Company |
ATR |
| Description |
The Martin 4-0-4 is a pressurized, all-metal, low-wing 40 passenger American airliner built by the Glenn L. |
The ATR 52 was a project to develop a military transport aircraft and a 50-seat airliner to add to ATR's product range. |
| ICAO Code |
M404 |
|
| First Flight |
1950-10-21 |
|
| Entry Into service |
1951-01-01 |
|
| Production End |
1953-01-01 |
|
| Designer |
Glenn L. Martin Company |
ATR |
| Type |
Short/medium range airliner |
|
| Length (m) |
22.5552 |
23.99 |
| Height (m) |
8.5344 |
4.1 |
| Cockpit Crew |
3 |
|
| Max Seating |
40 |
50 |
| Max Speed (km/h) |
502.1153 |
|
| Cruise Speed (km/h) |
450.6163 |
|
| Min Speed (km/h) |
130.3569 |
|
| Max Ceiling (m) |
8839.2 |
|
| Rate of Climb (m/s) |
9.6774 |
|
| Capacity Description |
40 passengers |
7500 kg cargo (ATR 52C) or 50 passengers (ATR 52) |
| National Origin |
Canada |
International joint venture between France and Italy |
| Number Built |
103 |
|
| Powerplant Description |
2 × Pratt & Whitney R-2800 Double Wasp-CB16 18-cylinder two-row air-cooled radial engine, 1790 kW (2400 hp) each |
2 × Pratt & Whitney Canada PW127 turboprops, 2058 kW (2760 hp) each |
| Primary Users |
Eastern Air Lines, Trans World Airlines |
|
| Status |
|
Abandoned project |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/Martin_4-0-4 |
en.wikipedia.org/wiki/ATR_52 |
| Flat Wing Span (m) |
28.3464 |
27.05 |
| Flat Wing Area (m²) |
80.2682 |
|
| Wake Category |
M |
|
| Aircraft Engine |
Pratt & Whitney R-2800 Double Wasp |
|
| Number of Engines |
2 |
2 |