finger-trouble
n.— «Because of the scarcity of aircraft, any flying accident thought to be even remotely due to finger-trouble on the part of the pilot, was severely dealt with.» —by Vivian Voss The Story of No. 1 Squadron S.A.A.F., Sometime Known as the Billy Boys , 1952. (source: Double-Tongued Dictionary)
Further reading
Jane Alberdeston is a poet who lives in Norfolk, Virginia, but she’s originally from Puerto Rico, and notes that in the capital of Puerto Rico, San Juan, there’s a famous statue of Christopher Columbus with his finger pointing toward the horizon. In...
Greg in Mena, Arkansas, says that when he was learning to be a professional pilot, one of his instructors would say, You thought like Nelly if someone had thought they were doing something correctly, but failed to. Although the phrase is not that...