| Attribute | Vickers Viscount × | Martin P5M Marlin × |
|---|---|---|
| General | ||
| Manufacturer | Vickers-Armstrongs | Glenn L. Martin Company |
| Model | Vickers Viscount | Martin P5M Marlin |
| Country | United Kingdom | United States |
| Manufactured from (year) | 1948 | 1951 |
| Manufactured to (year) | 1963 | 1960 |
| Type | Passenger Turbo Props | Amphibious |
| Icao | VISC | P5M |
| Performance | ||
| Engine | 4x Rolls-Royce Dart 510 | 2x Wright R-3350-32WA Duplex-Cyclone |
| Power, hp (hp) | 1,576 | 3,450 |
| Max cruise speed (km/h) | 574 | 404 |
| Approach speed (km/h) | 220 | 124 |
| Travel range (km) | 2,143 | 3,297 |
| Service ceiling (m) | 7,620 | 7,315 |
| Rate of climb (m/sec) | 6.1 | 6.1 |
| Take off distance (m) | 1,530 | - |
| Landing distance (m) | 870 | - |
| Weights | ||
| Max take off weight (kg) | 30,454 | 35,380 |
| Max landing weight (kg) | 28,148 | 34,013 |
| Max payload (kg) | 6,818 | 5,000 |
| Fuel tank capacity (l) | 7,382 | 10,637 |
| Baggage volume (m³) | 16 | - |
| Dimensions | ||
| Seats | 75 | 11 |
| Cabin height (m) | 1.93 | - |
| Cabin width (m) | 3.03 | - |
| Cabin length (m) | 21.4 | - |
| Exterior length (m) | 26.11 | 30.66 |
| Tail height (m) | 8.15 | 9.98 |
| Fuselage diameter (m) | 3.4 | 3 |
| Wing span (m) | 28.65 | 35.71 |
| Wing tips | No Winglets | No Winglets |