| Manufacturer |
Allison Gas Turbine Division GMC |
Glenn L. Martin Company |
| Description |
The Convair CV-240 is an American airliner that Convair manufactured from 1947 to 1954, initially as a possible replacement for the ubiquitous Douglas DC-3. |
The Martin 4-0-4 is a pressurized, all-metal, low-wing 40 passenger American airliner built by the Glenn L. |
| ICAO Code |
|
M404 |
| First Flight |
1947-03-16 |
1950-10-21 |
| Entry Into service |
1948-02-29 |
1951-01-01 |
| Production End |
1954-01-01 |
1953-01-01 |
| Designer |
Allison Gas Turbine Division GMC |
Glenn L. Martin Company |
| Type |
Airliner |
Short/medium range airliner |
| Length (m) |
22.5552 |
22.5552 |
| Height (m) |
7.9248 |
8.5344 |
| Cockpit Crew |
2 |
3 |
| Max Seating |
|
40 |
| Max Speed (km/h) |
506.9434 |
502.1153 |
| Cruise Speed (km/h) |
450.6163 |
450.6163 |
| Min Speed (km/h) |
|
130.3569 |
| Max Ceiling (m) |
4876.8 |
8839.2 |
| Rate of Climb (m/s) |
7.7216 |
9.6774 |
| Capacity Description |
40 |
40 passengers |
| National Origin |
|
Canada |
| Number Built |
1076 |
103 |
| Powerplant Description |
2 × Pratt & Whitney R-2800-CA3 Double Wasp 18-cyl air-cooled radial engines, 1790 kW (2400 hp) each |
2 × Pratt & Whitney R-2800 Double Wasp-CB16 18-cylinder two-row air-cooled radial engine, 1790 kW (2400 hp) each |
| Primary Users |
American Airlines (historical), Zantop International Airlines (historical), Air Chathams (historical) |
Eastern Air Lines, Trans World Airlines |
| Status |
In limited service |
|
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/Convair_CV-240_family |
en.wikipedia.org/wiki/Martin_4-0-4 |
| Flat Wing Span (m) |
27.7368 |
28.3464 |
| Flat Wing Area (m²) |
75.9018 |
80.2682 |
| Wake Category |
|
M |
| Aircraft Engine |
|
Pratt & Whitney R-2800 Double Wasp |
| Number of Engines |
2 |
2 |