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词条 Sikorsky S-43
释义

  1. Design and development

  2. Operational history

  3. Accidents and incidents

  4. Specifications (S-43)

     General characteristics  Performance 

  5. See also

  6. References

  7. External links

name = S-43 (JRS-1)image = Sikorsky JRS-1 (S-43).jpgcaption = U.S. Navy Sikorsky JRS-1 in 1945

}}{{Infobox Aircraft Type

type = Flying boat airlinernational origin= United Statesmanufacturer = Sikorsky Aircraftdesigner= Igor Sikorskyfirst flight = 1935introduced=1934status =primary user = Pan American Airwaysmore users = Hawaiian Airlinesproduced =number built = 53unit cost =variants with their own articles =
}}

The Sikorsky S-43 Baby Clipper was a twin-engine amphibious aircraft manufactured in United States during the 1930s by the American firm Sikorsky Aircraft.

Design and development

The S-43 first flew in 1935, and was a smaller version of the Sikorsky S-42 "Clipper". It accommodated between 18 and 25 passengers, with a separate two-crew forward cockpit.[1] The S-43 was known as the "Baby Clipper" in airline service.

On April 14, 1936, an S-43 with a {{convert|500|kg|lb}} payload, piloted by Boris Sergievsky, set an altitude record for amphibious aircraft when it reached an altitude of 27,950 feet above Stamford, Connecticut. Also aboard was designer Igor Sikorsky.[2]

In total, approximately 53 S-43s were built, including examples of the twin-tailed S-43B.[3]

Operational history

The S-43 was used primarily by Pan American World Airways for flights to Cuba and within Latin America. Inter-Island Airways of Hawaii (Inter-Island changed its name to Hawaiian Airlines in 1941) was the launch customer for the S-43.[4] Inter-Island operated four S-43's to ferry Pan-Am Clipper passengers and local residents from Honolulu throughout the Hawaiian Islands. Inter-Island sold its only twin-tail version to KLM.[4] One aircraft was purchased by Norwegian airline Det Norske Luftfartselskap. Panair do Brasil operated seven aircraft. Five S-43s were used between 1937 and 1945 by the French company Aéromaritime on a colonial airway between Dakar (Senegal) and Pointe-Noire (Congo).[5] Reeve Aleutian Airways owned two S-43s during the 1950s, one operational (N53294 purchased 1948 and trade for G-21 in 1957) and one for spares (fuselage at Alaska Aviation Heritage Museum). Another S-43 was operated in Alaska with an unknown operator, wrecked at Chignik, AK, 1950s.[6]

Five aircraft were acquired by the U.S. Army Air Corps in 1937 under the designation OA-8 and were used for transport of freight and passengers.[7] 17 aircraft were procured by the U.S. Navy between 1937 and 1939 as the JRS-1, two of which served the U.S. Marine Corps. One JRS survived in service at the end of 1941.[8]

The Smithsonian National Air & Space Museum's Steven F. Udvar-Hazy Center in Virginia has now put a Sikorsky JRS-1 on display. This aircraft was on duty at Pearl Harbor on December 7th, 1941.[9]

Two aircraft went to private owners: Harold Vanderbilt and Howard Hughes. Hughes' S-43 N440 remains the last example of this aircraft type flying  . It is now owned by Kermit Weeks and has been relocated from Texas to the restoration facility at the Fantasy of Flight Museum in Polk City, Florida where it is awaiting reassembly and restoration.

Accidents and incidents

June 2, 1937
A Chilean Air Force S-43 (No. 2) capsized off Ancud, Chile, killing all nine on board.[10]
August 2, 1937
A Pan American-Grace Airways (Panagra) S-43B (NC15065) crashed in the vicinity of Coco Solo in the Panama Canal Zone; all 14 on board died. The plane spiraled into the water at approximately 90 mph and was destroyed by an immediate explosion and fire. Most probable cause of the crash was failure of one or both of the engines due to a faulty gasoline system and/or sudden and severe rain, as the pilot indicated losing altitude two times in the three minutes prior to the crash.[11]
August 8, 1937
A China National Aviation Corporation (CNAC) S-43W (named Chekiang) ditched at Chilang Point, Bias Bay, China, killing three of four crew; all seven passengers survived. The flying boat was forced to ditch due to bad weather. High waves broke one wing off; the eight survivors clung to the other wing until rescued.[12]
April 25, 1938
Pan Am Flight 105, an S-43B (NC16932) stalled and crashed on landing off Kingston due to engine failure; all 18 passengers and crew survived, but the aircraft was written off.[13]
August 13, 1939
A Pan Am S-43 (NC16933) crashed into Guanabara Bay off Rio de Janeiro due to loss of control following engine failure, killing 14 of 16 on board.
May 17, 1943
Hughes crashed his S-43 into Lake Mead, killing CAA inspector Ceco Cline and Hughes employee Richard Felt. The aircraft was later raised and restored to flying condition.
August 3, 1945
Pan Am Flight 216, an S-43 (NC15066), crashed on landing at Fort de France Hydrobase due to weather and pilot error, killing four of 14 on board.[14]
January 3, 1947
A Panair do Brasil S-43B (PP-PBN) crashed in the Amazon River at São Paulo de Olivenca, killing 11 of 14 on board.[15]

Specifications (S-43)

General characteristics

  • Crew: two (pilot, copilot)
  • Capacity: 19 passengers
  • Length: 51 ft 2 in (15.60 m)
  • Wingspan: 86 ft 0 in (26.21 m)
  • Height: 17 ft 8 in (5.38 m)
  • Wing area: 781 ft² (72.5 m²)
  • Empty: 12,750 lb (5,783 kg)
  • Loaded: lb ( kg)
  • Maximum takeoff: 19,096 lb (8,662 kg)
  • Powerplant: 2× Pratt & Whitney R-1690-52 radials, 750 hp (560 kW) each

Performance

  • Maximum speed: 190 mph (306 km/h)
  • Range: 775 miles (1,247 km)
  • Service ceiling: 20,700 ft (6,310 m)
  • Rate of climb: ft/min ( m/min)
  • Wing loading: lb/ft² (115.84 kg/m²)
  • Power/mass: hp/lb ( kW/kg)

See also

{{Portal|Aviation}}{{aircontent|
|related=
  • Sikorsky S-42

|similar aircraft=
|lists=
  • List of aircraft of World War II

|see also=
}}

References

Notes
1. ^Simpson, 2001, p. 499
2. ^Special to the New York Times. [https://www.nytimes.com/1936/04/15/archives/sikorsky-amphibian-climbs-to-27950-feet-two-world-altitude-records.html?scp=1 "Sikorsky Amphibian Climbs to 27,950 Feet; Two World Altitude Records Are Claimed"], The New York Times. April 15, 1936. Page 1.
3. ^Simpson, 2001, p. 499
4. ^1 {{cite book |last1=Thiele |first1=Ray |title=Kennedy's Hawaiian Air |date=1994 |publisher=Olomana Publishers |isbn=0-9643365-0-2 |page=41,60}}
5. ^{{Cite web|url=http://memoireairfrance.canalblog.com/archives/2008/06/21/9660713.html|title=HISTOIRE DE L' "AÉROMARITIME" - Air France - une Histoire d'Amour|date=2008-06-21|language=French|access-date=2016-06-25}}
6. ^Flying Beats Work by Cohen
7. ^Swanborough, 1963, p. 528
8. ^Swanborough, 1990, p. 524
9. ^"Sikorsky JRS-1."Smithsonian National Air and Space Museum. Retrieved: 15 June 2013.
10. ^{{ASN accident|title= No.2|id= 19370602-0|accessdate= 2014-6-24}}
11. ^{{ASN accident|title= NC15065|id= 19370802-0|accessdate= 2014-6-24}}
12. ^{{ASN accident|title= |id= 19370808-0|accessdate= 2014-6-24}}
13. ^{{ASN accident|title= NC16932|id= 19380425-0|accessdate= 2012-6-24}}
14. ^{{ASN accident|title= NC15066|id= 19380806-0|accessdate= 2012-6-24}}
15. ^{{ASN accident|title= PP-PBN|id= 19470103-1|accessdate= {{date|2014-6-24}}}}
Bibliography
{{refbegin}}
  • {{cite book|last=Simpson|first=Rod|title=Airlife's World Aircraft|year=2001|publisher=Airlife Publishing Ltd|isbn=1-84037-115-3}}
  • {{cite book|last=Swanborough|first=Gordon|title=United States Military Aircraft since 1909|year=1963|publisher=Putnam & Co. Ltd}}
  • {{cite book|last=Swanborough|first=Gordon|title=United States Navy Aircraft since 1911|year=1990|publisher=Putnam Aeronautical Press|isbn=0-87021-792-5}}
{{refend}}

External links

{{commons category|Sikorsky S-43}}
  • [https://www.youtube.com/watch?v=71y9YGqufPE Video] - Howard Hughes Sikorsky S-43
{{Sikorsky Aircraft}}{{USAAF observation aircraft}}{{USN utility aircraft}}

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