text: Glossary
  acft load aircraft load; refers to cargo suspended below a slingload
  ACL allowable cargo load
  ACP air control point
  ADS aerial delivery sling
  AEL Army Electronic Library
  AF Air Force
  AFB Air Force base
  AFI Air Force Instruction
  AFSOC Air Force Special Operations Command
  aft to the rear, behind, or toward the tail of the aircraft
  AGL above ground level
  AH attack helicopter
  Ahkio sled a squad-powered sled for operations in extreme cold
  AI air interdiction
  airdrop delivery of cargo or personnel by parachute from an aircraft in flight
  AL airland
  ALO air liaison officer
  alt altitude
  AM amplitude modulation
  AMC Air Mobility Command
  AO area of operations
  apex fitting the uppermost point (clevis, shackle, ring, or loop) that gathers the sling
  tension members and attaches to the cargo hook
  apex fitting pin A headed pin that extends through the two ends of the apex fitting-clevis,
  retained in place by a bolt and nut apex fitting spacer (an hourglass-shaped
  bushing that fits over the apex fitting pin), causing the apex fitting to stay
  centered on the cargo hook
  approach azimuth the direction of an aircraft’s approach to the landing point, usually expressed
  in degrees and measured clockwise from a reference point
  arr arrival
  ASIP advanced system improvement program
  ATA actual time of arrival
  ATC air traffic controller
  ATD actual time of departure
  AWADS All-Weather Aerial Delivery System
  AZAR assault zone availability report
  basket hitch a type of attachment in which a flat web nylon strap is formed in the shape of
  the letter "U" with the two ends connected side-by-side
  basket leg the cable on a pallet sling that encircles the load