Lockheed 18 Lodestar
Airliner
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.
| Crew | 3 | |
| Passengers | 15-18, max. 26 | |
| Propulsion | 2 Radial Engines | |
| Engine Model | Pratt & Whitney R-1690-S1E2-G Hornet | |
| Engine Power (each) | 671 kW | 900 hp |
| max. Cruise Speed | 383 km/h | 207 kts 238 mph |
| max. Speed (vne) | 450 km/h | 243 kts 280 mph |
| Service Ceiling | 6.218 m | 20.400 ft |
| Rate of climb | 488 m/min | 1600 ft/min |
| Range | 2.739 km | 1.479 NM 1.702 mi. |
| Empty Weight | 5.103 kg | 11.250 lbs |
| max. Takeoff Weight | 8.709 kg | 19.200 lbs |
| Wing Span | 19,96 m | 65 ft 6 in |
| Wing Area | 51,2 m² | 551 ft² |
| Length | 15,19 m | 49 ft 10 in |
| Height | 3,61 m | 11 ft 10 in |
| First Flight | 21.09.1939 | |
| Production Status | out of production | |
| Total Production | 625 | |
| Developed from | Lockheed 14 Super Electra | |
| ICAO Code | L18 | |
| FAA TCDS | A-723 | |
| Data for (Version) | Lockheed Lodestar 18-07 (C-59 / R5O-2) | |
| Variants | 18-07, 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 | |
| [Photo-ID: 6037] © Karsten Palt 2012-06-12 | |
 | Lockheed 18-56 (C-60A) Lodestar Reg.: N1000B c/n: 18-2622 ex USAAF 43-16462 |
| Planes of Fame Aircraft Museum [Chino, CA] | |
| [Photo-ID: 6036] © Karsten Palt 2012-06-12 | |
 | Lockheed 18-56 (C-60A) Lodestar Reg.: N3779G c/n: 18-2201 displayed as RAF AM711, ex USAAF 42-32181, ex XA-GUH |
| Planes of Fame Aircraft Museum [Chino, CA] | |
| [Photo-ID: 5369] © Karsten Palt 2012-01-11 | |
 | Lockheed C-60A Lodestar United States Army Air Forces (USAAF) Reg.: 43-16445 c/n: 18-2605 |
| National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB)] | |
| [Photo-ID: 11309] © Karsten Palt 2015-06-04 | |
 | Lockheed R5O-5 (18-08) Lodestar United States Navy Reg.: 12473 c/n: 18-2358 ex N505R |
| March Field Air Museum [Riverside, CA] | |
| [Photo-ID: 11310] © Karsten Palt 2015-06-04 | |
 | Lockheed R5O-5 (18-08) Lodestar United States Navy Reg.: 12473 c/n: 18-2358 ex N505R |
| March Field Air Museum [Riverside, CA] | |
| [Photo-ID: 13250] © Karsten Palt 2016-10-10 | |
 | Lockheed XC-60B Lodestar South African Air Force Reg.: 1373 c/n: 18-2035 ex N102V |
| Castle Air Museum [Atwater, CA] | |
| [Photo-ID: 13251] © Karsten Palt 2016-10-10 | |
 | Lockheed XC-60B Lodestar South African Air Force Reg.: 1373 c/n: 18-2035 ex N102V |
| Castle Air Museum [Atwater, CA] | |