Lockheed 18 Lodestar

Airliner

Lockheed R5O-5 (18-08) Lodestar US Navy 12473 18-2358 © Karsten Palt
Photo ©: Karsten Palt
The Lockheed 18 Lodestar is a twin-engined airliner for 18 passengers produced by the US-American manufacturer Lockheed Corporation. Lockheed 18 in service with the US Army Air Corps were designated C-56, C-57 and C-60. The designation in US Navy service was R50 and in service with the Royal Air Force Lodestar IA and Lodestar II.
The Lockheed 18 Lodestar is a development of the Lockheed 14 Super Electra.
Crew3
Passengers15-18, max. 26
Propulsion2 Radial Engines
Engine ModelPratt & Whitney R-1690-S1E2-G Hornet
Engine Power (each)671 kW900 hp
max. Cruise Speed383 km/h207 kts
  238 mph
max. Speed (vne)450 km/h243 kts
  280 mph
Service Ceiling6.218 m20.400 ft
Rate of climb488 m/min1600 ft/min
Range2.739 km1.479 NM
1.702 mi.
Empty Weight5.103 kg11.250 lbs
max. Takeoff Weight8.709 kg19.200 lbs
Wing Span19,96 m65 ft 6 in
Wing Area51,2 m²551 ft²
Length15,19 m49 ft 10 in
Height3,61 m11 ft 10 in
First Flight21.09.1939
Production Statusout of production
Total Production625
Developed fromLockheed 14 Super Electra
ICAO CodeL18
FAA TCDSA-723
Data for (Version)Lockheed Lodestar 18-07 (C-59 / R5O-2)
Variants18-07, 18-08, 18-10, 18-14, 18-40, 18-50, C-56B (18-40), C-56C (18-07), C-56D (18-08), C-56E (18-40), C-57, C-57B (18-08), C-59 Lodestar IA (18-07), C-60, Lodestar II (C-60), C-60A

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