noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The indicated airspeed at which a multiengine aircraft's maximum sustained angle of climb with only one engine running is the steepest. uncountable, usually

Etymology

Initialism of Vx, single-engine.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.