Beechcraft Model 99
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The Beechcraft Model 99 is a civilian aircraft produced by American manufacturer Beechcraft. It is also known as the Beech 99 Airliner and the Commuter 99. The 99 is a twin-engine, unpressurized, 15 to 17 passenger seat turboprop aircraft, derived from the earlier Beechcraft King Air and Queen Air. It uses the wings of the Queen Air, the engines and nacelles of the King Air, and sub-systems from both, with a specifically designed nose structure.
Design and development
Designed in the 1960s as a replacement for the Beechcraft Model 18, it first flew in July 1966. It received type certification on May 2, 1968, and 62 aircraft were delivered by the end of the year.
In 1984, the Beechcraft 1900, a pressurized 19-passenger airplane, was introduced as the follow-on aircraft.
Production ended in early 1987 with 239 airframes completed. Nearly half the Beech 99s in airline service are now operated as freighters by Ameriflight.
Variants
- Page Template:Visible anchor/styles.css has no content.99 Airliner: Twin-engined Commuter and cargo transport aircraft, 10,400 lb max takeoff weight, accommodation for a crew of two and up to 15 passengers. powered by two 550-hp (410-kW) Pratt & Whitney Canada PT6A-20 turboprop engines.
- 99 Executive: Executive transport version of the 99 Airliner.
- Page Template:Visible anchor/styles.css has no content.99A Airliner: Same as the 99 Airliner, but powered by two Pratt & Whitney PT6A-27 engines flat-rated at 550 hp.
- A99A Airliner: One of a kind, 99A Airliner without wing center section tanks; this aircraft has been scrapped.
- Page Template:Visible anchor/styles.css has no content.B99 Airliner: Improved version, 10,900 lb max takeoff weight, powered by two 680-hp (507-kW) Pratt & Whitney PT6A-27/28 engines.
- B99 Executive: Executive transport version of the B99 Airliner.
- C99 Commuter: Improved version, 11,300 lb (5,100 kg) max takeoff weight, Pratt & Whitney PT6A-36 (engines flat rated at 715 hp)
Operators
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In July 2018, 106 Beechcraft B99 were in airline service, all in the Americas,:[1]
- 55: Ameriflight
- 14: Alpine Air Express
- 10: Bemidji Airlines
- 10: Freight Runners Express
- 9: Wiggins Airways
- 3: Lake Clark Air Alaska
- 2: Flamingo Air, Hummingbird Air, InterCaribbean Airways
- 1: Bar XH Air, Courtesy Air, North-Wright Airways and Sky High Aviation Services
- 1 Heringer Táxi Aéreo Brazil
Specifications (Model 99A)
Data from Green.[2]
General characteristics
- Crew: 1 or 2
- Capacity: Normally 15 passengers (8-seat 'Business Executive' model available) / Up to Template:Cvt depending upon fuel requirements; some aircraft have a belly pod for additional baggage or cargoTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Airfoil: root: NACA 23018; tip: NACA 23012[3]Template:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convert
- Propellers: 3-bladed Hartzell constant speed feathering and reversible propellersTemplate:Aircraft specs/length
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Notable accidents and incidents
- In 1987, pilot Henry Dempsey survived an incident in which he was sucked out of the aircraft when he fell against a door in the hold which opened. He managed to hang on until the plane made an emergency landing and suffered only minor injuries.[4][5]
- Bar Harbor Airlines Flight 1808 was a scheduled flight from Logan International Airport to Bangor International Airport in the United States on 25 August 1985. On final approach to Auburn/Lewiston Municipal Airport, the Bar Harbor Airlines Beechcraft Model 99 crashed short of the runway, killing all six passengers and two crew on board. Among the passengers was Samantha Smith, a thirteen-year-old American schoolgirl who had become famous as a "Goodwill ambassador" to the Soviet Union and had been cast on the television show Lime Street.
- Henson Airlines Flight 1517 crashed on September 23, 1985, when pilot errors led to a CFIT. Script error: No such module "Labelled list hatnote".
- Holmström Air flight, a Beechcraft 99 crashed May 8, 1989 at Oskarshamn, Southern Sweden on final approach to Oskarshamn airport. The investigation found that the accident was probably caused by the pilot's inability to compensate for the rapid nose pitch-up that occurred when the wing flaps were deployed, engines running at high power and with the plane too aft-heavy. The plane pitched sharply up, stalled and fell to the ground. The crash and subsequent fire killed all 16 onboard including the two pilots. The passengers were made up of politicians and their aides working for the National telecom planning committee as well as two young students.[6][7]
- A Beechcraft 99 operated by Wiggins Airways crashed immediately after takeoff from Manchester–Boston Regional Airport, New Hampshire, on January 26, 2024, amid stormy winter conditions.[8][9]
See also
Related development
Aircraft of comparable role, configuration, and era
Related lists
References
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- ^ Page Module:Citation/CS1/styles.css has no content."World Airline Census 2018". Flightglobal.com. Retrieved 2018-08-27.
- ^ Green, William, The Observers Book of Aircraft, Frederick Warne & Co. Ltd, 1970. Template:ISBN
- ^ Page Module:Citation/CS1/styles.css has no content.Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.
- ^ Page Module:Citation/CS1/styles.css has no content."Pilot Hangs on as Plane Door Opens in Flight". Associated Press.
- ^ Page Module:Citation/CS1/styles.css has no content."PILOT FALLS OUT, CLINGS TO DOOR UNTIL LANDING". The Washington Post. Washington, D.C. 1987-09-04. ISSN 0190-8286. OCLC 1330888409.
- ^ Page Module:Citation/CS1/styles.css has no content."Swedish commuter plane crashes, 16 dead - UPI Archives".
- ^ Page Module:Citation/CS1/styles.css has no content."Om ersättning till efterlevande till vissa omkomna vid flygolyckan i Oskarshamn den 8 maj 1989 (Proposition 1989/90:108)".
- ^ Page Module:Citation/CS1/styles.css has no content.Toole, Mike (2024-01-26). "Small plane crashes near Londonderry, New Hampshire home, pilot seriously hurt - CBS Boston". CBS News. Retrieved 2024-01-31.
- ^ Page Module:Citation/CS1/styles.css has no content."Accident Beechcraft C99 Commuter N53RP". aviation-safety.net. Retrieved 2024-01-31.
External links
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