spooldown

English

From spool +‎ down.

spooldown (uncountable)

(aviation) The process of reduction of the rotational speed of a turbine engine, causing a reduction in thrust.
- 2002 December 30, National Transportation Safety Board, “1.1 History of Flight”, in Aircraft Accident Report: Loss of Control and Impact with Pacific Ocean, Alaska Airlines Flight 261, McDonnell Douglas MD-83, N963AS, About 2.7 Miles North of Anacapa Island, California, January 31, 2000‎^[1], archived from the original on 16 June 2022, page 9:
  At 1620:38, the captain stated, "gotta get it over again...at least upside down we're flyin." At 1620:49, the CVR recorded sounds similar to engine compressor stalls and engine spooldown. At 1620:54, the captain commanded deployment of the speedbrakes, and, about 1 second later, the first officer replied, "got it." At 1620:56.2, the captain stated, "ah here we go." The FDR recording ended at 1620:56.3, and the CVR recording ended at 1620:57.1.