Technical Description
Twin Otter Technical Specifications
Maximum Take-off Weight: | 12,500 lb (5,670kg) |
Maximum Landing Weight: | 12,300 lb (5,579 kg) |
Number Of Crew: | 1 or 2 |
Number Of Passengers: | 19 |
Fuel Capacities: | 378 US Gallons (total) |
Fuel Capacities: | Optional Long Range – 89 US Gallons |
Airframe Configuration
- All metal
- Non-pressurized
- High-wing monoplane construction
- Fixed tricycle (steerable nose) landing gear
- Wing Span19.8 m65 ftLength15.77m51 ft 9 inProp Clearance1.52m5 ft 0 inTail Height5.94 m19 ft 6 in
- Cabin Length5.61 m18 ft 5 inCabin Height1.50 m4 ft 11 inCabin Volume (usable)10.87cu m384 cu ftMain Cabin Entry1.27x1.42 m50x56 inCabin Width1.75 m5ft 9in
Performance Summary
Maximum Cruise Speed | |
TAS Sea Level: | 170 kt |
5,000 ft: | 181 kt |
10,000 ft: | 182 kt |
Enroute Rate of Climb at Sea Level (both engines at maximum climb power): | 1600 ft/min |
Maximum Operating Altitude | 25,000 ft (7,620 m) |
Payload Range (at maximum cruise speed) | |
Payload for 100 nautical mile (185km) range: | 4,061 lb (1,842 kg) |
Payload for 400 nautical mile (741 km) range: | 3,031 lb (1,375 kg) |
Maximum Range - zero payload | |
with Standard Tankage: (2,583 lb (1,172 kg) fuel) | 775 nm (1,435 km) |
with Long Range Tankage: (3,190 lb (1,447 kg) fuel) | 980 nm (1,815 km) |
Maximum Endurance | |
with Standard Tankage: (2,583 lb (1,172 kg) fuel) | 7 hr 10 min |
with Long Range Tankage: (3,190 lb (1,447 kg) fuel) | 9 hr |
Standard Twin Otter Specifications
The Twin Otter comes well equipped as standard.
The standard layout is a 19 seat configuration.
Standard Twin Otter Equipment Specifications
Engines
Two, Pratt & Whitney Canada PT6A-34, single stage, free-turbine engines.
Propellers
Two, Hartzell, HC-B3TN-3DY, three bladed reversible pitch, constant speed, fully feathering propellers.
Lights
The aircraft comes equipped as standard with external and internal LED lighting.
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Flight Deck
Standard avionics is the Honeywell Apex Suite which also controls the following Honeywell Equipment
- Air Data Attitude Heading Reference System (ADAHRS)
- Multi-Mode Digital Radios (MMDR)
- Weather Radar System (WX)
- Radar Altimeter System (RA)
- Global Positioning System (Dual GPS)
- Class A Terrain Awareness and Warning System (TAWS)
- Dual Mode S Transponders
- Traffic Collision Avoidance System (TCAS I)
- Distance Measuring Equipment (DME)
Additional flight deck systems
- Standby Instrument System (ESIS)
- Magnetic Standby Compass
- Emergency Locator Transmitter (ELT)
- Cockpit Voice Recorder (CVR)
- Flight Data Recorder (FDR)