Abbreviations and Acronyms

DISTANCE MEASURING EQUIPMENT - INTRODUCTION

Purpose

The distance measuring equipment (DME) system supplies slant range (line of sight) distance measurement between the airplane and the ground station.

Abbreviations and Acronyms

· AC - alternating current

· ACP - audio control panel

· ADF - automatic direction finder

· alt - alternate

· altn - alternate

· app - approach

· ARINC - Aeronautical Radio, Inc.

· ATC - air traffic control

· ATE - automatic test equipment

· auto - automatic

· B - both

· BITE - built-in test equipment

· BL - buttock line

· CAPT - captain

· CDU - control display unit

· circ - circulator

· CPU - central (control) processing unit

· DC - direct current

· DEU - display electronics unit

· DME - distance measurement equipment

· EFIS - electronic flight instrument system

· F/O - first officer

· FCC - flight control computer

· FDAU - flight data acquisition unit

· FMC - flight management computer

· FMCS - flight management computer system

· freq - frequency

· fwd - forward

· grd - ground

· I/C - intercom

· ILS - instrument landing system

· LCD - liquid crystal display

· LED - light emitting diode

· LRU - line replacable unit

· maint - maintenance

· MHz - megahertz

· MKR - marker beacon

· nav - navigation

· NCD - no computed data

· ND - navigation display

· NORM - normal

· PFD - primary flight display

· R - range

· rcvr - receiver

· REU - remote electronics unit

· RF - radio frequency

· rly - relay

· R/T - receive/transmit

· spkr - speaker

· sta - station

· TCAS - traffic alert and collision avoidance system

· TFR - transfer

· TX - transmitter

· V - voice

· V - volts

· VHF - very high frequency

· xfr - transfer

· xmtr - transmitter

· xpndr - transponder