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3 unusual facts about Convair CV-240 family


1954 Swissair Convair CV-240 crash

The 1954 Swissair Convair CV-240 crash occurred on 19 June 1954 when a Swissair Convair CV-240 ditched in the English Channel off Folkestone, Kent having run out of fuel.

Flight 258

Northeast Airlines Flight 258, a Conviar CV-240 that crashed upon landing at Nantucket Memorial Airport on 15 August 1958, resulting in 25 out of the 34 people on board being killed.

Vickers hardness test

The fin attachment pins and sleeves in the Convair 580 airliner were specified by the aircraft manufacturer to be hardened to a Vickers Hardness specification of 390HV5, the '5' meaning five kiloponds.


Time Air

As a result, Time Air briefly operated other aircraft types, including a number of Convair CV- 580 and Convair CV-640 turboprops as well as the Fokker F27 Friendship turboprop and Fokker F28 Fellowship jet.


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