A/C	Manufacturer	Viking Air			Sources:
	Aircraft type	Twin Otter		[1]	https://www.flightglobal.com/download?ac=73559
	Total number of operating A/C	315	[1]	[2]	https://www.vikingair.com/sites/default/files/Viking-Twin-Otter-Series-400-Technical-Specifications-R-01-2018.pdf
	Option/Variant	DHC-6 400	[4]	[3]	https://www.vikingair.com/twin-otter-series-400/technical-description
Engine	No. of Engines	2	[4]	[4]	TAYLOR, John W.R., 1974. Jane's All The World's Aircraft 1974–75. New York, USA.
	Model	PT6A-34	[4]	[5]	https://www.easa.europa.eu/downloads/7070/en
	Max. Rated Takeoff Thrust, T_TO [kN]	-			Comments:
	Equivalent Power, P [kW]	462	[4]		¹ Fuel reserve for 45 minutes, LRC
	Propeller	HC-B3TN-3D/T10282N	[4]
Cabin	Length, l_CABIN [m]	5,64	[4]
	Max. Height, h_CABIN [m]	1,5	[4]
	Max. Width, d_F,I [m]	1,61	[4]
	Passenger Compartment Volume, V_CABIN [m³]	10,9	[2]
Fuselage	Height, h_F [m]	N/A
	Width, w_F [m]	N/A
Total	Length, l_A/C [m]	15,77	[2]
	Span, b_W [m]	19,81	[2]
	Height, h_A/C [m]	5,94	[2]
Landing Gear	Track, l_T [m]	3,7	[2]
	Wheelbase, l_WB [m]	4,53	[2]
Wing	Area, S_W [m²]	39,02	[4]
	Taper ratio, λ_W	1,00	[2]
	1/4 Chord Sweep, φ_25,W [°]	0	[2]
Vertical Tail	Area, S_V [m²]	4,46	[4]
	Height, b_V [m]	3,9	[2]
	Taper ratio, λ_V	0,51	[2]
	1/4 Chord Sweep, φ_25,V [°]	24	[2]
Horizontal Tail	Area, S_H [m²]	9,29	[4]
	Span, b_H [m]	6,29	[2]
	Taper Ratio, λ_H	0	[2]
	1/4 Chord Sweep, φ_25,H [°]	1	[2]
Cruise	V_MO [kt]	187	[5]
	M_MO [Mach]	0,29	[5]
	Cruise Speed, M_CR [Mach]	N/A
	Max. Certified Flight Level, h_MCR [FL]	250	[5]
	Cruise Altitude, h_CR [FL]	100	[2]
Fuel	Unusable Fuel [l]	14	[5]
	Optional Fuel [l]	337	[2]
	Max usable fuel [l]	1446	[4]
Range	Max. Payload, R_MPL [nm]	N/A
	Max. Pax, R_M,pax [nm]	N/A
	Max. Range, R_PLMR [nm]	702	¹[2]
Mass	Max. Ramp, m_MR (MRM) [kg]	5670	[5]
	Max. Take-Off, m_MTO (MTOM) [kg]	5670	[5]
	Max. Landing, m_ML (MLM) [kg]	5579	[5]
	Max. Zero Fuel, m_MZF (MZFM) [kg]	N/A
	Operating Empty, m_OE (OEM) (MZFM-MPL) [kg]	3377	[2]
	Max. Payload, m_MPL (MPL) [kg]	N/A
	Payload at Max. Range, m_PLMR [kg]	1030	[2]
Cargo	Volume, V_CARGO [m³]	3,57	[4]
	Cargo Capacity	-
	Max. Pallet Underfloor	-
Seats	Max. Seats, n_M,SEAT	19	[5]
	Std. Layout, n_SEAT	19	[4]