finger-four


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finger-four

finger-four
Left-hand finger four.
finger-four
Right-hand finger four.
A four-aircraft formation like the fingertips of a hand held horizontally. It can be either the left finger-four or the right finger-four. Also called a fingertip formation, left-hand finger-four formation, and right-hand finger-four formation.
References in periodicals archive ?
British Empire fighter pilots moved from single aircraft to formation tactics; specifically, they invented the "finger four" formation, known to US airmen down through the next 60 years or so as "fluid four." On 30 April 1916, Capt William Milne led the first finger-four flight, and a second Canadian, Lt C.