negative vertical acceleration

negative thrust propeller / negative-thrust propeller

vertical acceleration

command vertical/pitch acceleration

velocity, vertical acceleration and altitude

vertical acceleration channel

vertical acceleration demand

vertical linear acceleration

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

infrared / negative ultraviolet (IR/NUV) seeking

negative electrical charge

negative report

battery negative post

negative dihedral

negative dihedral effect

negative dihedral situation

negative dihedral wing

negative source

negative stability

negative

negative contact

negative sensor

negative enemy contact

negative contact (in cloud)

negative contact on

Enables reversible motor direction to provide negative thrust and allow inverted flight

negative thrust

emergency negative thrust

acceleration of gun

acceleration

acceleration control unit

advanced engine acceleration

engine acceleration