| Type | Aircraft | |
| Company | Glenn L. Martin Company | |
| Scheme | High wing Monoplane | |
| Geometry | ||
|---|---|---|
| Length (m) |
1.9
28.1
88.7
|
|
| Height (m) |
0.6
8.3
50.1
|
|
| Wings | ||
| Wing area (m2) |
1.1
212.8
925
|
|
| Wingspan (Beam) (m) |
0.1
47.9
95
|
|
| Weights | ||
| Empty weight (kg) |
8
14,193.8
276,800
|
|
| Max. takeoff weight (Gross weight) (kg) |
154
28,123
575,000
|
|
| Capacity | ||
| Crew (per.) |
1
8
112
|
|
| Capacity passengers (per.) |
1
53
400
|
|
| Speeds | ||
| Ground Speed (km/h) |
96.6
281
1,500
|
|
| Max. Speed (km/h) |
25
293
28,165
|
|
| Сruise Speed (km/h) |
52
250
3,087
|
|
| Power | ||
| Total Power (hp) |
0.4
4,000
60,000
|
4 powerplants 1000 hp each |
| Performance | ||
| Service ceiling (m) |
0.6
5,880
161,544
|
|
| Range (Ferry range) (km) |
4
4,830
40,700
|
|
| Stat | ||
| Number built (qt) |
0
1
43,000
|
|
| Introduction | 1937 | |
| Stop production | 1944 | |
