Compare Cessna Grand Caravan EX vs Viking DHC-6 Twin Otter
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| Manufacturer | Cessna | Viking |
| Aircraft Type | Grand Caravan EX | DHC-6 Twin Otter |
| Base Aircraft Price (USD) | $2,695,000 | $7,150,000 |
| Direct Operating Cost | $ 614 | $ 1,084 |
| DOC / nm | $ 3.15 | $ 5.96 |
| DOC / nm / Seat | $ 0.39 | $ 0.31 |
| Max Cruise Speed (ktas) | 195 | 182 |
| Max Range (nm) | 920 | 775 |
| Useful Load (lbs) | 3532 | 4425 |
| Total Seats | 10 | 21 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 8 | 19 |
| Max Cabin Seats | 12 | 19 |
| Min Crew | 1 | 1 |
| Flight Deck (Base Spec) | Garmin G1000 NXi | Honeywell Primus Apex |
| Flight Rules | VFR | IFR |
| Certification | FAA / EASA | FAA / EASA |
| OEM Verification | VERIFIED | VERIFIED |
| Weights | ||
| MRAMP (lbs) | 8842 | 12525 |
| MTOW (lbs) | 8807 | 12500 |
| MLW (lbs) | 8500 | 12500 |
| MZFW (lbs) | - | 11000 |
| BOW (lbs) | 5510 | 8830 |
| BEW (lbs) | 5310 | 8075 |
| Useful Load (lbs) | 3532 | 4425 |
| Max Payload (lbs) | 3190 | 3555 |
| Fuel Capacity (lbs) | 2246 | 2268 |
| Useful Load Max Fuel (lbs) | 1286 | - |
| Payload Max Fuel (lbs) | 1086 | 876 |
| Max Baggage Weight (lbs) | 1410 | - |
| Dimensions | ||
| Wingspan (ft) | 52.1 | 65 |
| Overall Height (ft) | 15.1 | 19.5 |
| Length (ft) | 41.6 | 51.8 |
| Cabin Height (ft) | 4.5 | 5 |
| Cabin Width (ft) | 5.4 | 5.4 |
| Cabin Width - Floor (ft) | - | 4.4 |
| Cabin Length (ft) | 16.8 | 18.5 |
| Cabin Volume (cu. ft) | - | 384 |
| Baggage Volume Int. (cu. ft) | 32 | 88 |
| Baggage Volume Ext. (cu. ft) | - | 35 |
| Engine | ||
| No. of Engines | 1 | 2 |
| Manufacturer | Cessna | Viking |
| Model | PT6A-140 | PT6A-34 |
| Horsepower | 867 | 620 |
| Flat Rating | ISA + 24 | ISA + 27 |
| FADEC | Yes | No |
| TBO (hrs) | 4000 | 4000 |
| Fuel Capacity (gal) | 335 | 378 |
| Avionics | ||
| Flight Deck | Garmin G1000 NXi | Honeywell Primus Apex |
| Flight Rules | VFR | IFR |
| EFIS | 1 Garmin GEA 71 | - |
| Autopilot | - | 1 |
| PFD | 2 x Garmin GDU 1050A | 2 |
| MFD | 1 x Garmin GDU 1050A | 1 |
| GPS | - | 2 |
| AHRS | 2 x GRS 79 | 1 |
| ADC | 2 x Garmin GDC 72 | - |
| Transponder | 1 x Garmin GTX 335R ADS-B Out | 2 |
| VHF Com | 2 | 1 |
| VHF NAV | 2 | 1 |
| DME | 1 x Bendix/King KN-63 | - |
| Cabin | ||
| Total Seats | 10 | 21 |
| Cockpit | 2 | 2 |
| Standard Cabin Seats | 8 | 19 |
| Max Cabin Seats | 12 | 19 |
| Min Crew | 1 | 1 |
| Cargo Door | Yes | Yes |
| Lavatory | No | No |
| Galley / Refreshment | No | No |
| Cabin Pressure (psi) | Un-Pressurized | Un-Pressurized |
| Other | ||
| Prop Manufacturer | McCauley | Hartzell |
| Prop Description | 4-Blade Alum Constant Feathering | 3-Blade Constant Feathering Reverse |
| Gear Type | Fixed Wheels | Nose-Wheel |
| Performance | ||
| Max Cruise Speed (ktas) | 195 | 182 |
| Long Range Cruise (ktas) | 165 | 170 |
| Stall Speed - Clean (kias) | 61 | - |
| Max Range (nm) | 920 | 775 |
| Max Range Crew + 4 (nm) | 815 | - |
| Max Range Crew + 6 (nm) | 621 | - |
| Max Range Crew + 8 (nm) | 420 | - |
| Endurance (hrs) | - | 7.1 |
| Take-off Roll (ft) | 1399 | 1490 |
| Take-Off >50ft Obst. (ft) | 1836 | - |
| Take-Off (5000 / ISA + 10) | 3661 | - |
| Landing Roll (ft) | 1004 | - |
| Landing >50ft Obst. (ft) | 1836 | - |
| Max Climb Rate (fpm) | 1275 | 1600 |
| Service Ceiling (ft) | 25000 | 25000 |