| Type | Aircraft | |
| Company | Glenn L. Martin Company | |
| Scheme | Monoplane High wing | |
| Geometry | ||
|---|---|---|
| Length (m) |
1.9
23.5
88.7
|
|
| Height (m) |
0.6
5.3
50.1
|
|
| Wings | ||
| Wing area (m2) |
1.1
130.8
925
|
|
| Wingspan (Beam) (m) |
0.1
36
95
|
|
| Weights | ||
| Empty weight (kg) |
8
15,047.9
276,800
|
|
| Max. takeoff weight (Gross weight) (kg) |
154
25,425
575,000
|
|
| Capacity | ||
| Crew (per.) |
1
7
112
|
|
| Speeds | ||
| Max. Speed (km/h) |
25
330
28,165
|
|
| Сruise Speed (km/h) |
52
278
3,087
|
|
| Power | ||
| Total Power (hp) |
0.4
3,200
60,000
|
2 powerplants 1600 hp each |
| Performance | ||
| Service ceiling (m) |
0.6
6,035.0
161,544
|
|
| Range (Ferry range) (km) |
4
4,815.2
40,700
|
|
| Dynamic Performance | ||
| Rate of climb (m/min) |
1.9
243.8
36,000
|
|
| Combat | ||
| Guns (qt) |
1
8
18
|
.50 in (12.7 mm) M2 Browning machine guns (two each in nose, dorsal and tail turrets, one each in blisters amidships) |
| Torpedoes (qt) |
1
2
4
|
Mark 13 torpedoes or |
| Bombs weight (kg) |
2
1,800
39,000
|
of bombs or depth charges |
| Stat | ||
| Number built (qt) |
0
1,285
43,000
|
|
| Introduction | 1939 | |
| First flight | 18.02.1939 | |
| Stop production | 1964 | |
