reference chord

reference chord of an aerofoil

flap reference chord

attitude-and-heading reference system / attitude and heading reference system (AHRS)

chord of the trajectory

space-chord ratio (of turbomachine cascade)

standard mean chord

chord

chord line

chord ratio

chord-wise aerodynamic force

external chord of a concavе-convex or flat-convex profile

first mean chord

internal chord of а bi-convex profile

mean aerodynamic chord

mean geometric chord

pressure distribution curve along the chord of an aerofoil section

propeller blade chord

second mean chord

mean aerodynamic chord (MAC)

extended-chord elevon

grid reference box

grid reference system

guidance reference system

gyroscopic reference unit (GRU)

lay reference number

map reference

map reference code

military grid reference system (MGRS)

NATO Master Cross Reference List (NMCRL) (logistics)

numbered reference position system

reference

reference diversion point