Fokker F27 Friendship

F27 Friendship
Role	Airliner
National origin	Netherlands
Manufacturer	Fokker
First flight	1955
Introduction	1958
Number built	586
Variants	Fairchild F-27/FH-227
Developed into	Fokker 50

The Fokker F27 Friendship is a turboprop airliner designed and built by the defunct Dutch aircraft manufacturer Fokker.

Design and development

Design of the Fokker F27 started in the 1950s as a replacement to the successful Douglas DC-3 airliner. The manufacturer evaluated a number of different configurations before finally deciding on a high-wing twin Rolls-Royce Dart engine layout with a pressurised cabin for 28 passengers.

The first prototype, registered PH-NIV, first flew on November 24, 1955. The second prototype and initial production machines were 0.9 m (3 ft) longer, addressing the first aircraft's slightly tail-heavy handling and also providing space for four more passengers, bringing the total to 32. These aircraft also used the more powerful Dart Mk 528 engine.

Production

The first production model, the F27-100, was delivered to Aer Lingus in November 1958. Other early Friendship customers included Braathens SAFE, Luxair, Ansett, New Zealand National Airways Corporation, Trans Australia Airlines and Turkish Airlines.

In 1956, Fokker signed a licensing deal with the US aircraft manufacturer Fairchild for the latter to construct the F27 in the USA. The first U.S.-built aircraft flew on April 12, 1958. Fairchild also independently developed a stretched version, called the FH-227. Most sales by Fairchild were made in the North American market.

At the end of the Fokker F27’s production in 1987, 586 units had been built (plus another 207 F-27s and FH-227s in the USA by Fairchild), more than any other western European civil turboprop airliner. ^{[citation needed]}

Many aircraft have been modified from passenger service to cargo or express-package freighter roles and remain in service in 2009. The last major cargo user of the F27 in the United States was Fedex Express, as cargo "feeder" aircraft. These were retired and replaced by ATR42 and ATR72 aircraft by the end of 2009, with the last of the aircraft being donated to Hickory Aviation Museum. The United States Army Parachute Team continues to use a C-31A Troopship for its diving exhibitions in 2011.^[1]

In the early 1980s, Fokker developed a successor to the Friendship, the Fokker 50. Although based on the F27-500 airframe, the Fokker 50 is virtually a new aircraft with Pratt & Whitney Canada engines and modern systems. Its general performance and passenger comfort were improved over the F27.

Variants

F27-100 - was the first production model; 44 passengers.
F27-200 - uses the Dart Mk 532 engine.
F27-300 Combiplane - Civil passenger/cargo aircraft.
F27-300M Troopship - Military transport version for Royal Netherlands Air Force.
F27-400 - "Combi" passenger/cargo aircraft, with two Rolls-Royce Dart 7 turboprop engines and large cargo door.
F27-400M - Military version for US Army with designation C-31A Troopship, still in use in 2011.
F27-500 - The -500, had a 1.5 m (4 ft 11 in) longer fuselage, a return to the Dart Mk 528 engine, and accommodation for up to 52 passengers. It first flew in November 1967.
F27-500M - Military version.
F27-500F - A version of the -500 for Australia with smaller front and rear doors.
F27-600 - Quick change cargo/passenger version of -200 with large cargo door.
F27-700 - A F27-100 with a large cargo door.
F27 200-MAR - Unarmed maritime reconnaissance version.
F27 Maritime Enforcer - Armed maritime reconnaissance version.
FH-227 - Fairchild Hiller stretched version.

Operators

Notable accidents and incidents

Trans Australia Airlines Flight 538 - June 10, 1960 Mackay, Queensland, Australia: 29 fatalities - this is still the deadliest civilian Australian aircraft accident in history. The investigation was not able to determine a probable cause of this accident. The accident was critical in the development of the flight recorder to record parameters to aid investigations of future airliner accidents.

On August 6, 1970, A Pakistan International Airlines Fokker F27 turboprop aircraft crashes while attempting to take off from Islamabad in a thunderstorm, killing all 30 people on board.

On January 30, 1971 Indian Airlines Fokker Friendship aircraft Ganga was hijacked by Hashim Quereshi and his cousin Ashraf Butt and was flown to Lahore, Pakistan where the passengers and crew were released and plane was burnt on February 1, 1971.^[2]^[3]^[4]

Pakistan International Airlines Flight 631 crashed on December 8, 1972 Gilgit, Pakistan: 26 fatalities.

On September 15, 1978, a Philippine Air Force F-27 crashed due to windshear. 15 of the 24 people on board were killed, as well as 17 people on the ground.

On March 29, 1979, the F-27 of Quebecair Flight 255 crashed minutes after taking off from Québec City Jean Lesage International Airport. 17 people died and 7 were injured.

On May 26, 1980, a Nigerian Air Force F-27 crashed due to a thunderstorm, killing all 30 people on board. The aircraft was carrying a delegation of military and government officials on a diplomatic mission.

On August 4, 1984, a Biman Bangladesh Airlines flight from Chittagong crashed in the swamps near Shahjalal International Airport. All 45 passengers and 4 crew of the F27 died. The flight was piloted by Kaniz Fatema Roksana, the country's first female commercial pilot.

On August 16, 1986, a Sudan Airways F27 was shot down by the SPLA, killing all 60 people on board.

On October 23, 1986, a PIA Fokker F27 crashes while coming in to land in the northwestern city of Peshawar, killing 13 of the 54 people on board

On December 8, 1987, the Alianza Lima air disaster in which a Naval F27 that was transporting the Alianza Lima football club crashed in Lima, Peru, killing the whole team.

On October 19, 1988, thirty-four died in a Vayudoot F27 crash near Guwahati, India.^[5]^[6]^[7]

On August 25, 1989, A PIA Fokker carrying 54 people disappears after leaving Gilgit in northern Pakistan. The wreckage was never found.

On February 12, 1990, a TAM Airlines Fokker F27 registration PT-LCG operating a flight from São Paulo-Congonhas to Bauru, due to faulty approach procedures touched down at Bauru 775m past the runway threshold. The pilot was unable to initiate a go around procedure and went past the end of the runway hitting a car that was passing on a road nearby. One crew member and 2 occupants of the car died.^[8]

On November 8, 1995, an Argentine Air Force F27 registration TC-72 operating from Comodoro Rivadavia to Córdoba, crashed on mount Champaquí in Córdoba, killing all 52 people, many of them children.^[9]

On November 11, 2002, Laoag International Airlines Flight 585 crashed into Manila Bay. 19 of the 34 people on board are killed.

On February 20, 2003, a military F27 crashed in northwestern Pakistan killing Pakistan Air Force Chief, Air Chief Marshal Mushaf Ali Mir, his wife and 15 others.

Pakistan International Airlines Flight 688 carrying 45 people crashed 2–3 minutes after take off from Multan airport on July 10, 2006. There were no survivors. Engine fire was suspected as the cause of the crash.^[10]

On April 6, 2009, an Indonesian Air Force F27 crashed in Bandung, Indonesia killing all 24 occupants on board. The cause of the incident was said to be heavy rain.^[11] The plane reportedly crashed into a hangar during its landing procedure and killed all on board. The casualties include: 6 crews, an instructor and 17 special forces trainee personnel^[12]

Specifications (F.27)

Data from ^[13]

General characteristics

Crew: 2 or 3
Capacity: 48-56 passengers
Length: 25.06 m (82 ft 3 in)
Wingspan: 29 m (95 ft 2 in)
Height: 8.72 m (28 ft 7 in)
Wing area: 70 m² (750 sq ft)
Empty weight: 11,204 kg (24,701 lb)
Max takeoff weight: 19,773 kg (43,592 lb)
Powerplant: 2 × Rolls-Royce Dart Mk.532-7 two-stage centrifugal compressor turboprop, 1,678 kW (2,250 hp) each

Performance

Cruise speed: 460 km/h (290 mph, 250 kn)
Range: 2,600 km (1,600 mi, 1,400 nmi)
Rate of climb: 7.37 m/s (1,451 ft/min)

References

^ http://www.usarec.army.mil/hq/goldenknights/Webpage2005_content.html
^ http://www.kashmiri.info/index2.php?option=com_content&do_pdf=1&id=66
^ http://www.rediff.com/news/2005/jun/02spec11.htm
^ "Hijack into terror". The Times Of India. October 6, 2001.
^ Dayafterindia.com
^ Air Disaster.com
^ NY Times
^ "Accident description PT-LCG". Aviation Safety Network. Retrieved 20 May 2011.
^ "Article about TC-72". Diario Crónica, Comodoro Rivadavia.
^ BBC NEWS | South Asia | No survivors in Pakistani crash
^ http://www.flightglobal.com/blogs/asian-skies/2009/04/video-indonesian-military-fokk.html
^ http://www.jetphotos.net/news/index.php?blog=1&title=24-killed-in-indonesia-f-27-crash&more=1&c=1&tb=1&pb=1
^ Green, William, The Observers Book of Aircraft, Frederick Warne & Co. Ltd, 1970. ISBN 0-7232-0087-4

External links

Stork Aerospace Homepage
F27 Friendship Association *Photo Gallery (in Dutch and English)
Fokker F27 Info

[1] ttp://www.usarec.army.mil/hq/goldenknights/Webpage2005_content.html

[Kashmiri-2] ttp://www.kashmiri.info/index2.php?option=com_content&do_pdf=1&id=66

[Ganga-3] ttp://www.rediff.com/news/2005/jun/02spec11.htm

[4] "Hijack into terror". The Times Of India. October 6, 2001.

[5] Dayafterindia.com

[6] Air Disaster.com

[7] NY Times

[8] "Accident description PT-LCG". Aviation Safety Network. Retrieved 20 May 2011.

[9] "Article about TC-72". Diario Crónica, Comodoro Rivadavia.

[10] BBC NEWS | South Asia | No survivors in Pakistani crash

[11] ttp://www.flightglobal.com/blogs/asian-skies/2009/04/video-indonesian-military-fokk.html

[12] ttp://www.jetphotos.net/news/index.php?blog=1&title=24-killed-in-indonesia-f-27-crash&more=1&c=1&tb=1&pb=1

[green-13] Green, William, The Observers Book of Aircraft, Frederick Warne & Co. Ltd, 1970. ISBN 0-7232-0087-4

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v t e United States military transport aircraft designations, Army/Air Force and Tri-Service systems
Army/Air Force sequence (1925–1962)	C-1 C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13¹ C-14 C-15 C-16 C-17 C-18 C-19 C-20 C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-28 C-29 C-30 C-31 C-32 C-33 C-34 C-35 C-36 C-37 C-38 C-39 C-40 C-41 C-41A C-42 C-43 C-44 C-45 C-46 C-47 C-47F C-47T AC-47 C-48 C-49 C-50 C-51 C-52 C-53 C-54 C-55 C-56 C-57 C-58 C-59 C-60 C-61 C-62 C-63 C-64 C-65 C-66 C-67 C-68 C-69 C-70 C-70B C-71 C-72 C-73 C-74 C-75 C-76 C-77 C-77B–D C-78 C-79 C-80 C-81 C-82 C-83 C-83A C-83B C-84 C-85 C-86 C-87 C-88 C-89 C-90 C-91 C-92 C-93 C-94 C-95 C-96 C-97 KC-97 C-98 C-99 C-100 C-101 C-102 C-103 C-104 C-105 C-106 C-107 C-108 C-109 C-110 C-111 C-112 C-113 C-114 C-115 C-116 C-117 C-117D C-118 C-119 AC-119 C-120 C-121 C-121F EC-121 C-122 C-123 C-123A C-124 C-125 C-126 C-127² C-127 (I) C-127 (II) C-128 C-129 C-130 C-130J AC-130 DC-130 EC-130/H HC-130 KC-130 LC-130 MC-130 WC-130 C-131 NC-131H C-132 C-133 C-134 C-135 KC-135 C-136 C-137² YC-137 (I) YC-137 (II) C-137 C-138¹ C-139¹ C-140 C-141 C-142
Tri-service sequence (1962–present)	C-1 C-2 C-3 C-4 C-5 C-6 C-7² C-7 RC-7 C-8 C-9 C-10² C-10 KC-10 C-11 C-12 RC-12 C-13¹ C-14 C-15 C-16¹ C-17 C-18 C-19 C-20² C-20A–D C-20F–J C-21 C-22 C-23 C-24 C-25 C-26 C-27 C-27J C-28 C-29 C-30¹ C-31 C-32 C-33 C-34¹ C-35 C-36³ C-37 C-37B C-38 C-39¹ C-40 C-41 C-42¹ C-43¹ C-44¹ C-45 C-46
Revived original sequence (2005–present)	C-143 C-144 C-145 C-146 C-147
Non-sequential designations	C-767 C-767B C-880
Related designations	CT-39 CT-43 CV-2 CV-7
¹ Not assigned • ² Assigned to multiple types • ³ Unconfirmed

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