Type: Engines De Havilland DHC-6 Twin Otter, Series 300

United Aircraft of Canada Limited PT6A-27

(turboprop)

Crew: 2 Pilots + 6 Scientists

Ceiling: 12,500 feet (without supplemental cabin oxygen)

25,000 feet(with supplemental cabin oxygen)

Rate of Climb: 1600 feet/minute

Operational Airspeeds: 80-160 knots

Electrical Two 28 VDC 250 ampere starter-generators

Scientific Power: 3 KVA of 115 VAC, 60 Hz and 70 A of 28 VDC

Max. Gross Weight: 12,500 lbs.

Empty Weight: 8,100 lbs.

Useful Load: 4,400 lbs. (fuel, personnel, cargo)

Fuel Load: 2,500 lbs. with additional 1,000 lbs. in optional cabin auxiliary tank (Note: installation of auxiliary tank reduces useful load) 

Type Fuel: Jet

Standard Fuel Burn: Normal Cruise Speed - 580 lbs./hr

Fuel Burn for specific mission configuration will be calculated during mission planning and will vary with environmental conditions. Maximum Range and Duration Vary with power setting and fuel tank configuration.

Dimensions (external): Wing Span - 65 ft.

Total Length - 52 ft

Fuselage Height - 9 ft 1 in

Tail Height - 19 ft 6 in

Cabin Doors (removable) - 50 in x 56 in

Baggage Doors (rear) - 35.7 in x 25.7 in

(nose - see diagram)

Dimensions (internal): (Cabin Length - 18 ft 5 in

Cabin Height - 59 in

Cabin Width - 52.5 in (floor) 63.2 in (ceiling)

Useable Volumes Cabin - 384 cu ft

Nose Baggage - 38 cu ft

Aft Baggage - 88 cu ft

Additional Standard Equipment (Cockpit): Weather radar, radar altimeter, dual GPS/Loran-C navigation system, HF radio

Additional Standard Equipment (Cabin): Camera and instrumentation ports GPS data link to cockpit GPS units

Dye marker drop tube