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OH-LCH

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OH-LCH
old airliner landing
OH-LCH in 2019
Type Douglas C-53C Skytrooper
Manufacturer Douglas Aircraft Company
Construction number 6346
Serial 43-2033, DO–11
First flight December 1942
Owners and operators Airveteran,previously with United States Army Air Force (USAAF),AeroandFinnish Air Force
In service 1942–1986, military and revenue service
Status active for display flying and passenger trips
Preserved at airworthy atHelsinki Airport
winters atVaasa Airport

OH-LCH( “Hotel” ) is the onlyairworthyDouglas DC-3airplaneinFinland.[1]

The history of OH-LCH[edit]

The aircraft was built in theDouglas Aircraft Companyfactory inSanta Monica,Californiaand was completed onChristmas Eve1942. It had been ordered byPan American Airways,and it had been intended for their routes inLatin America.However, because of the war, the aircraft was handed over to theUnited States Armed Forceson 27 December 1942, and from the spring of 1943 to the fall of that year it served in the Northern Atlantic branch of the Transport Wing, probably atPresque Isle, Maine.Late in the fall of 1944, the aircraft was transferred to theEighth Air ForceinEurope,and after the war it was moved to theOberpfaffenhofencenterinGermany.[2]

In 1948 the State ofFinlandpurchased the aircraft for use byAero.Its first scheduled passenger flight took place on 21 July 1948, on theMalmiVaasaTampere–Malmi route. During the following winter the aircraft was furnished for passenger use. It flew until December 1960, when it had flown 22 137 hours. It was then used for spare parts, but was reassembled and fitted with a freight door since Aero needed freight aircraft. It retained its previous registration, and was put back to service afterMidsummer1963. Aero operated the aircraft until 1 April 1967, when it flew Aero’s last DC-3 scheduled passenger flight.[2]

In 1970 the aircraft, along with the other DC-3s owned by Finnair, was sold to theFinnish Air Force,and was given the registration DO-11. In 1985, the Air Force retired its DC-3s. and OH-LCH, along with OH-LCD, were sold toAirveteran Oy.The latter aircraft is now at theFinnish Aviation Museum.[1][2]

OH-LCH today[edit]

The aircraft was previously based atMalmi Airport,but since its closure in 2021, OH-LCH has been based atHelsinki Airport.One has to be a member of theFinnish DC Associationto be able to fly on the aircraft. The winter months are spent in ahangaratVaasa Airport.[1]

Specifications (DC-3A-S1C3G)[edit]

Data fromMcDonnell Douglas Aircraft since 1920[3]

General characteristics

  • Crew:two
  • Capacity:21–32 passengers
  • Length:64 ft 8 in (19.7 m)
  • Wingspan:95 ft 2 in (29.0 m)
  • Height:16 ft 11 in (5.16 m)
  • Wing area:987 sq ft (91.7 m2)
  • Aspect ratio:9.17
  • Airfoil:NACA2215 / NACA2206
  • Empty weight:16,865 lb (7,650 kg)
  • Gross weight:25,200 lb (11,431 kg)
  • Fuel capacity:822 gal. (3736 L)
  • Powerplant:2 ×Pratt & Whitney R-1830-S1C3G Twin Wasp14-cyl. air-cooled two row radial piston engine, 1,200 hp (890 kW) each
  • Propellers:3-bladedHamilton Standard 23E50series, 11 ft 6 in (3.5 m) diameter hydraulically controlled constant speed, feathering

Performance

  • Maximum speed:200 kn (230 mph, 370 km/h) at 8,500 ft (2,590 m)
  • Cruise speed:180 kn (207 mph, 333 km/h)
  • Stall speed:68.0 kn (78.2 mph, 125.9 km/h)
  • Range:1,370 nmi (1,580 mi, 2,540 km) (maximum fuel, 3,500 lb payload)
  • Service ceiling:23,200 ft (7,100 m)
  • Rate of climb:1,130 ft/min (5.7 m/s)
  • Wing loading:25.5 lb/sq ft (125 kg/m2)
  • Power/mass:0.0952 hp/lb (156.5 W/kg)

Sources[edit]

  • Francillon, René.McDonnell Douglas Aircraft Since 1920: Volume I.London: Putnam, 1979.ISBN0-87021-428-4.
  • Liukkonen, Meri (16 July 2020). "DC-3:n kyydissä avautuvat kaupunkien hulppeat näkymät. Malmin DC-3-konetta ylläpidetään vapaaehtoisten voimin. Koneen kyydissä on myös vietetty monenlaisia perhejuhlia" [‘Flying a DC-3 one gets wonderful views of the cities. The plane at the Malmi Airport is maintained by volunteers. Many family events have also been celebrated aboard the plane’].Helsingin Sanomat HS Viikko(in Finnish). Helsinki: Sanoma. pp. 8–9.
  • "DC-3 OH-LCH historia"[‘DC-3 OH-LCH history’] (in Finnish). DC-Association (Finland.Retrieved20 July2020.

References[edit]

  1. ^abcLiukkonen, Meri (16 July 2020). "DC-3:n kyydissä avautuvat kaupunkien hulppeat näkymät. Malmin DC-3-konetta ylläpidetään vapaaehtoisten voimin. Koneen kyydissä on myös vietetty monenlaisia perhejuhlia" [‘Flying a DC-3 one gets wonderful views of the cities. The plane at the Malmi Airport is maintained by volunteers. Many family events have also been celebrated aboard the plane’].Helsingin Sanomat HS Viikko(in Finnish). Helsinki: Sanoma. pp. 8–9.
  2. ^abc"DC-3 OH-LCH historia"[‘DC-3 OH-LCH history’] (in Finnish). DC-Association (Finland.Retrieved20 July2020.
  3. ^Francillon 1979, pp. 217–251.