|1979 Cessna 340A
||Light twin aircraft
1973 model Cessna 340 front view
The Cessna 340 is a twin piston engine pressurized business aircraft that was manufactured by Cessna.
The Cessna 335 is an unpressurized version, which appears the same externally as the 340. It sold in fewer numbers than the 340.
Design and development
The 340 was conceived of as a cabin-class development of the successful Cessna 310.
The 340 is a six-seat aircraft, with four passenger seats, an aisle and an airstair door. The tail and landing gear were based on the Cessna 310's units, while its wings were from the Cessna 414. The 340's primary selling feature was its spacious, pressurized cabin, the first in a light twin.
Work on the 340 began in 1969 and the first aircraft was delivered in 1971, behind schedule as one of the prototypes crashed during flight testing in 1970.
The early models have two turbocharged Continental TSIO-520-K engines with 285 hp (214 kW) each. Starting in 1976 the engines were upgraded to the more powerful Continental TSIO-520-NB engines of 310 hp (233 kW). This variant is known as the 340A and it also features smaller 75.5-inch (1,920 mm) diameter propellers to reduce noise and meet ICAO Annex 16 noise requirements.
The Cessna 335 was marketed as a low-priced, non-pressurized, version powered by 300 hp (225 kW) Continental TSIO-520-EB engines. The prototype 335 made its maiden flight on December 5, 1978, with the first production aircraft flying in 1979. It was not a market success, with only 64 built by the time production ended in 1980. The 340 was more successful and remained in production until 1984 with 1287 built.
- Pressurized six-seat twin powered by two Continental TSIO-520-K engines of 285 hp (214 kW) each. Certified 15 October 1971. 350 built.
- Pressurized six-seat twin powered by two Continental TSIO-520-NB engines of 310hp (233 kW) each. Certified 19 November 1975 948 built.
- Unpressurized six-seat twin powered by Continental TSIO-520-EB engines of 300hp (225 kW) each. Certified 2 October 1979 65 built.
- Riley Jet Prop 340
- Conversion of Cessna 340 aircraft by fitting two Lycoming LTP101 turboprop engines.
- Riley Rocket 340
- Conversion of Cessna 340 aircraft by fitting two 340 hp (254 kW) Lycoming TIO-540-R engines. Also designated R340L.
- Riley Super 340
- Conversion of 1972–1975 Cessna 340 aircraft by fitting two 310hp Continental TSIO-520-J/-N engines. Also known as R340 Super.
Data from Plane & Pilot, Airliners.net, The Incomplete Guide to Airfoil Usage
- Crew: one pilot
- Capacity: five passengers
- Length: 34 ft 4 in (10.46 m)
- Wingspan: 38 ft 1 in (11.62 m)
- Height: 12 ft 7 in (3.84 m)
- Wing area: 184 ft² (17.1 m²)
- Airfoil: NACA 23018 (root) NACA 23015 (tip)
- Empty weight: 3,921 lb (1,780 kg)
- Max. takeoff weight: 5,990 lb (2,719kg)
- Powerplant: 2 × Continental TSIO-520-NB 6-cylinder piston engines, 310hp (231 kW) each
- Aircraft of comparable role, configuration and era
- ^ a b c d e Plane and Pilot: 1978 Aircraft Directory, page 92. Werner & Werner Corp, Santa Monica CA, 1977. ISBN 0-918312-00-0
- ^ a b c Montgomery, MR & Gerald Foster: A Field Guide to Airplanes, Second Edition, page 106. Houghton Mifflin Company, 1992. ISBN 0-395-62888-1
- ^ a b c d e f g h Demand Media, Inc (2008). "The Cessna 340 & 335". Retrieved 2008-08-09.
- ^ a b c d Federal Aviation Administration (August 1994). "TYPE CERTIFICATE DATA SHEET NO. 3A25". Retrieved 2008-08-10.
- ^ Taylor 1980, pp. 318–319.
- ^ a b Simpson 1991, p.108
- ^ Simpson 1991, p. 107
- ^ Taylor 1982, p. 454.
- ^ Taylor 1988, pp. 461–462.
- R.W.Simpson, Airlife's General Aviation, Airlife Publishing, England, 1991, ISBN 978-1-85310-194-6
- Taylor, John W. R. Jane's All The World's Aircraft 1980–81. London: Jane's Publishing Company, 1980. ISBN 0-7106-0705-9.
- Taylor, John W. R. Jane's All The World's Aircraft 1982–83. London: Jane's Yearbooks, 1982. ISBN 0-7106-0748-2.
- Taylor, John W. R. Jane's All The World's Aircraft 1988–89. Coulsdon, UK: Jane's Defence Data, 1988. ISBN 0-7106-0867-5.
||Wikimedia Commons has media related to Cessna 340.
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Martha's Vineyard Times
Sat, 30 May 2015 13:26:15 -0700
The pilot of a twin-engine Cessna 340, his wife and their dog walked away from a very rough landing at Martha's Vineyard Airport about 12:30 pm, Saturday afternoon. The plane's right main gear collapsed soon after landing, airport manager Sean Flynn ...
Wed, 20 May 2015 03:41:15 -0700
Two-time tour winner George McNeill owns a twin-engine Cessna 340 and has had his license for about 3½ years. Like Hoffmann, he comes from a flying family. McNeill's dad was a pilot and worked with the Federal Aviation Administration, and his mother ...
Mon, 16 Mar 2015 14:40:54 -0700
PITTSBURGH (KDKA) — The pilot of a small aircraft was able to walk away from the wreckage of his Twin Cessna 340 after it skidded off the runway and over a steep embankment at the Butler County Airport. The accident happened shortly after 5 p.m. on ...
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Sat, 27 Oct 2012 16:56:02 -0700
This changes the engines from TSIO-K to TSIO-NB with RAM VII conversion, increasing the horsepower from 285 to 335 per side. Requires Carenado's C340. By Mark Ritzman. To install: Backup the file "aircraft.cfg" in the folder "Microsoft Games/Microsoft ...
Tue, 21 Apr 2015 19:59:57 -0700
Between now and the end of August, a twin-engine Cessna 340 will fly over southwest Oklahoma and northeast Texas, spraying silver iodide and calcium chloride particles into storm clouds. The particles are designed to cause water droplets in the clouds ...
Los Angeles Times
Thu, 09 Oct 2014 21:31:54 -0700
The Cessna 340 entered the restricted airspace over the San Fernando Valley about 5:20 p.m., said Lt. Col. Michael Jazdyk, a spokesman for the North American Aerospace Defense Command. At the time, the plane was out of radio communication.
The Vineyard Gazette - Martha's Vineyard News
The Vineyard Gazette - Martha's Vineyard News
Sun, 31 May 2015 04:52:14 -0700
A six-passenger aircraft veered off the main runway at the Martha's Vineyard Airport around noon Saturday when the plane's landing gear collapsed. The pilot, a passenger, and a dog, were unhurt, officials said. “Upon landing, his right main gear ...
Thu, 19 Sep 2013 15:57:40 -0700
For instance, consider the new owner of a clean Cessna 340 pressurized twin. His airplane was acquired through a respected broker and historically serviced by a maintenance facility versed in Cessna twins. He did everything right in the shopping and ...
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