Definition of "unspool"
unspool
verb
third-person singular simple present unspools, present participle unspooling, simple past and past participle unspooled
(aviation) To reduce the thrust of a jet engine to idle in flight.
Quotations
During this 14-second period, the airplane accelerated to about 173 KIAS, and the first officer retarded the throttles. By 1805:15, despite the instructions in the Delta L-1011 Pilot Operating Manual (POM), which states, “do not unspool the engines,” all three engines were either at, or very near, flight idle EPR and remained at that thrust level until 1805:22.
1986 August 15, National Transportation Safety Board, “1.16.3 Airplane Performance”, in Aircraft Accident Report: Delta Air Lines, Inc., Lockheed L-1011-385-1, N726DA, Dallas/Fort Worth International Airport, Texas, August 2, 1985, archived from the original on 13 March 2021, page 38
To flow forth, unfold, or play out.
Quotations
The landscape and the living figures of that summer, as in some umber-smeared snapshot found in the brittle black pages of an old album, had become more dusty and indistinct as time for me unspooled with negligent haste into my own middle age, yet that summer's agony still cried out for explanation.
1983, William Styron, Sophie's Choice, page 262
Quotations