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Convair 340
Although based on the Convair 240, the 340 was largely a new aircraft with greater wing span (32.11m) and area; a longer fuselage for 44 passengers; R-2800-CB16 or CB17 engines; greater all-up weight of 21,318kg; and many interior design improvements. The first aircraft flew on 5 October 1951 and the first delivery to an airline (United Air Lines) was made on 28 March 1952. A total of 209 had been built by January 1955, when the last two production aircraft were delivered to REAL (Brazil). The USAF also operated 340 as C-131 or VC-131 transports, flying and ECM trainers and for other duties; while the US Navy/Marine Corps received 37 transports as R4Y.
Convair 440 Metropolitan
The 440 was a development of the 340 with modifications to increase speed by about 8km/h and to reduce the noise level in the cabin. Special kits were also made available to convert 340 to 440 standard. Accommodation was provided for between 44 and 52 passengers. The prototype first flew on 6 October 1955 and 162 were built before production was phased out in the spring of 1958. A few were also operated by the USAF and US Navy.
| MODEL | Convair 440 |
| PASSENGERS | 52 |
| ENGINE | 2 x Pratt-Whitney R-2800-CB16, 1864kW |
| WEIGHTS |
| Take-off weight | 22226 kg | 49000 lb |
| Empty weight | 15111 kg | 33314 lb |
| DIMENSIONS |
| Wingspan | 32.11 m | 105 ft 4 in |
| Length | 24.13 m | 79 ft 2 in |
| Height | 8.59 m | 28 ft 2 in |
| Wing area | 85.47 m2 | 919.99 sq ft |
| PERFORMANCE |
| Cruise speed | 465 km/h | 289 mph |
| Ceiling | 7590 m | 24900 ft |
| Range w/max.payload | 756 km | 470 miles |
| Bill Query, queryb(@)bellsouth.net, 30.08.2008 Flew the C-131 with the Navy 1965/68 while attached to the Commander of Naval Air Recerve staff in New Orleans. During this period I had 3 single engine landings--two from swallowed valves and one from an oil fire caused by ruptured valve housing. Even still, this was the best multi-engine plane (prop) I have flown. | | Ted Goetz, tedandmot(@)ec.rr.com, 01.06.2008 I was flying the C-131 out of El Toro when this happened and remember the incident well. In partial answer to Mike Dixon's question, The pilots had been making several short enroute stops and had been leaving the right engine running while unloading (right engine had the air conditioning/pressurization pump).Because of the fuel imbalance they decided to open the fuel crossflow valve while in flight. This was a big NO NO that we thought all Convair pilots knew because the valve often malfunctioned leaving you with no source of fuel. I later looked at the spot they put it down in and all I can say is they did one hell of a job since the plane had the glide characteristics of a streamlined safe | | thawkins, thawkins(@)integrity.com, 23.09.2007 The picture is a Convair "600". Note the turbo-prop engines. The "340" had radial engines. | | Dayana, ladydayana(@)yahoo.com, 28.03.2007 Hi, Iґm so happy to find this page, this is great.
Well, Iґm a Flight Assistant and this month Iґll fly this plane (Convair 340), and I would like to know if you have the manual from this plane, please I really thank you if you send the manual to my e-mail. thank you very much and congratulations for the page, so beatifull. | | Mike Dixon, mdixon02(@)charter.net, 31.12.2006 Do you have any information on a United Airlines 340 that lost power in both engines and bellied into a field in the Tejon Pass near Gorman, California. It was on a flight from Bakersfield to Los Angeles. As I recall it was in the early 1960's. The plane was repaired and flown out of the field it dropped into.
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