Convair Model 110 Unpressurized prototype with seats for 30 passengers. 89 ft (27.13 m) wingspan, 71 ft (21.64 m) length,
powered by two 2,100 hp (1,567 kW) Pratt & Whitney R-2800-SC13G engines. One built

Convair CV-240 Series
Convairliners "1948"

First flightMarch 16, 1947
IntroductionFebruary 29, 1948 with American Airlines
StatusIn limited service
Primary usersAmerican Airlines
Zantop International Airlines (historical), CONAIR Firefighting
Number built1,181
VariantsConvair C-131 Samaritan
Canadair CC-109 Cosmopolitan

Consolidated Aircraft

Consolidated Aircraft

Convair Aircraft – 

Convair CV-240 (1947) Convair CV-340 Convair CV-440 Metropolitan / Convair C-131 Samaritan Convair CV-540 (1955) Convair CV-580 – Convair CV-600 (1965) Convair CV-640 Convair CV 5800
Convair R3Y Tradewind  / Convair F-102 Delta Dagger (1953) – Convair B-58 Hustler (1956) – Convair F-106 Delta Dart (1956) – Convair 880 (1959) – Convair 990 Coronado (1961) – 


Convair Aircraft

Convair CV-240 Series
Convairliners "1947"

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Convair CV-240 Series
Convairliners "1947"

The Convair CV-240 is an American airliner that Convair manufactured from 1947 to 1954, initially as a possible replacement for the ubiquitous Douglas DC-3. Featuring a more modern design with cabin pressurization, the 240 series made some inroads as a commercial airliner, and had a long development cycle that produced various civil and military variants. Though reduced in numbers by attrition, various forms of the “Convairliners” continue to fly in the 21st century.[1


The design began with a requirement by American Airlines for an airliner to replace its Douglas DC-3s. Convair’s original design, the unpressurised Model 110, was a twin-engine, low-wing monoplane of all-metal construction, with 30 seats. It was powered by Pratt & Whitney R-2800 Double Wasp radial engines. It had a tricycle landing gear, and a ventral airstair for passenger boarding.[2] The prototype Model 110, registration NX90653, first flew on July 8, 1946.[2] By this time, American Airlines had changed the requirements to include pressurization and deemed the design too small. Convair used the first prototype for 240 series development work before it had the plane broken up in 1947

 United States

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Convair CV-240 Series Convairliners "1947""

Convair delivered the first production Convairliner to American on February 29, 1948. They delivered a total of 75 to American—and another 50 to Western Airlines, Continental Airlines, Pan American Airways, Lufthansa, KLM, Swissair, Sabena, and Trans Australia Airlines. Conair

Two Convair 580s of the Aspen, Colorado-based Aspen Airways at Stapleton International Airport in Denver, US in 1986

A CV-240 was the first private aircraft used in a United States presidential campaign. In 1960, John F. Kennedy used a CV-240 named Caroline (after his daughter) during his campaign. This aircraft is now preserved in the National Air and Space Museum.


Crew: 2 or 3 flight deck crew

Capacity: 40

Length: 74 ft 8 in (22.76 m)

Wingspan: 91 ft 9 in (27.97 m)

Height: 26 ft 11 in (8.20 m)

Empty weight: 25,445 lb (11,542 kg) (revised 29,500 lb (13,381 kg))

Gross weight: 40,500 lb (18,370 kg) (revised 42,500 lb (19,278 kg))

Powerplant: 2 × Pratt & Whitney R-2800-CA3 Double Wasp / CA15 / CA18 / CB3 or CB16 18-cyl air-cooled radial engines, 2,400 hp 

Maximum speed: 315 mph (507 km/h, 274 kn)

Cruise speed: 280 mph (450 km/h, 240 kn) (maximum)

Range: 1,200 mi (1,900 km, 1,000 nmi)

Service ceiling: 16,000 ft (4,900 m)

Rate of climb: 1,520 ft/min (7.7 m/s)

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Convair Model 110 Unpressurized prototype with seats for 30 passengers. 89 ft (27.13 m) wingspan, 71 ft (21.64 m) length, powered by two 2,100 hp (1,567 kW) Pratt & Whitney R-2800-SC13G engines. One built