STOL utility transport and feederliner. First of five (Series 100) pro-production aircraft flown May 20. 1965. Series 100 superseded by Series 200 (see 1969 edition) in April 1968, the latter being joined by 0 the Series 300 with the 231st aircraft off the assembly line. deliveries of this version commencing spring 1969. Total ordered by beginning of 1975 on excess of 430 when production was continuing at 3-4 per month.
Series 100 and 200 Twin Otters feature a shorter nose and have 579 eshp PT6A-20s. and the Twin Otter is available as a floatplane. The Series 300S introduced in 1973 features upper wing spoilers, high-capacity brakes, an anti-skid braking system and other improvements.
| Country of origin | Canada |
| Power Plant | Two 652 eshp UACL.PT6A-27 turboprops. |
| Performance | Max. cruise. 210 mph (338 km/h) at 10,000 ft (3 050 m): range at max. cruise with 3,250-lb (1 474-kg) payload. 745 mls (1 198 km), with 14 passengers and 45 min reserves. 780 mls (1 255 km); initial climb at 12,500 lb (5 670 kg), 1.600 ft/min (8.1 m/sec): service coiling 26,700 ft (8 138 m). |
| Weights | Bask operational (including pilot) 7.000 lb ft (3 180 kg) |
| Max. lake-off. 12,500 lb (5 670 kg) | |
| Accommodation | Flight crew of one or two and accommodation for up to 20 passengers in basic commuter arrangement. Optional commuter layouts for 18 or 19 passengers. and 13-20 passenger utility version. |
| Dimensions | Span. 65 ft 0 in (19.81 m) |
| Length. 51 ft 9 in (15.77 m) | |
| Height. 18 ft 7 in (5,66m) | |
| Wing Area. 420 sq (39,02 m2). |
