| Attribute | Martin 4-0-4 × | Grumman HU-16 Albatross × |
|---|---|---|
| General | ||
| Manufacturer | Glenn L. Martin Company | Grumman |
| Model | Martin 4-0-4 | Grumman HU-16 Albatross |
| Country | United States | United States |
| Manufactured from (year) | 1951 | 1949 |
| Manufactured to (year) | 1953 | 1961 |
| Type | Passenger Turbo Props | Amphibious |
| Icao | M404 | U16 |
| Performance | ||
| Engine | 2x Pratt & Whitney R-2800-CB16 | 2x Wright R-1820-76 Cyclone 9 |
| Power, hp (hp) | 2,400 | 1,425 |
| Max cruise speed (km/h) | 502 | 380 |
| Approach speed (km/h) | 130 | 130 |
| Travel range (km) | 4,260 | 4,593 |
| Fuel economy (km/l) | - | 0.724 |
| Service ceiling (m) | 8,839 | 6,553 |
| Rate of climb (m/sec) | 9.68 | 7.37 |
| Take off distance (m) | 600 | 762 |
| Landing distance (m) | 530 | 410 |
| Weights | ||
| Max take off weight (kg) | 20,366 | 17,010 |
| Max landing weight (kg) | 18,231 | 14,965 |
| Max payload (kg) | 4,050 | 4,535 |
| Fuel tank capacity (l) | 7,571 | 6,469 |
| Dimensions | ||
| Seats | 4 | 3 |
| Cabin height (m) | - | 1.93 |
| Cabin width (m) | - | 2.28 |
| Cabin length (m) | - | 7.98 |
| Exterior length (m) | 22.7 | 19.16 |
| Tail height (m) | 8.6 | 7.87 |
| Fuselage diameter (m) | 2.9 | 2.4 |
| Wing span (m) | 28.42 | 29.46 |
| Wing tips | No Winglets | No Winglets |