Airdrop : (1) The discharge of fire retardant or extinguishing agent from an aircraft onto a wildland fire. (2) The dispensing of personnel and material by parachute
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}