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 ?
On 30 April 1916, Capt William Milne led the first finger-four flight, and a second Canadian, Lt C.