The 43P-2, 43P-3 & 43P-4 guides were changed in the mid 1980's with a person e-book. 43P-1: Work middle Maintenance guide prior to OPNAV numbering the present-day advice 4790/4(sequence) it was 43P. The sequence of textbooks 43P-1, 43P-2, 43P-3 & 43P-4 were being separate books covering all elements of routine maintenance. V2 Division: Maintenance of Catapults and Arresting Gear. AIMD: Aircraft Intermediate Maintenance Department. V3 Division: Aircraft Handlers on the Hangar Deck. Also used to go data among a flight deck fuel station and flight deck handle as to position of fueling functions for particular person plane. A office on aircraft carriers and Naval Air Stations dependable for preserving aircraft sub assemblies. Small ships only have a single division, though larger sized ships like carriers or amphibs can have 5 or additional. Found on aircraft carriers and similar vessels. Ad: Aviation Machinist Mate, one who throws wrenches at plane and prays to mech gods for a favorable result.