FM 90-4 (ARMY FIELD MANUAL 90-4), AIR ASSAULT OPERATIONS (16 MAR 1987)
FM 90-4 (ARMY FIELD MANUAL 90-4), AIR ASSAULT OPERATIONS (16 MAR 1987)., This manual describes how infantry and aviation units plan and conduct air assault operations. It
emphasizes the coordination necessary between these organizations concerning the planning sequence
and tactical employment of both elements. It is written primarily for aviation and infantry units and is
applicable to combat support and service support units with a need to plan for and use Army aviation
Air assault operations are conducted with speed, secrecy, and precision by a well trained, proficient
combined arms team. To gain proficiency, individuals and units habitually conduct combined arms
training in air assault operations before being committed to combat.
The proponent of this publication is HQ TRADOC. Submit changes for improving this publication on
DA Form 2028 (Recommended Changes to Publications and Blank Forms) and forward it to:
Commandant, US Army Infantry School, ATTN: ATSH-B-ID, Fort Benning, GA 31905-5593.
The provisions of this publication are the subject of the following international agreements: 2351,
Procedures for Marshalling Helicopters in Airmobile Operations; 2860, Principles of Engagement for the
Landing Sites; 2861, Procedures for the Recovery of Downed Aircraft/Helicopters While Engaged in
Airmobile Operations; 2863, Minimum Navigational Facilities for Multi-National Airmobile Operations;
2876, Planning and Coordination Procedures for Airmobile Operations; 2904, Airmobile Operations
(ATP 41); 3117, Aircraft Marshalling Signals; 3345, Data Forms for Planning Air Movements; 3468,
General Rues Covering the Transport of Loads by Helicopter; 3532, Transport of Troops by Helicopter;
3570, Drop Zones and Extraction Zones; 3597, Helicopter Tactical or Nonpermanent Landing Sites;
3619, Helipad Markings; 3627, Helicopter Day and Night Formation Flying; and 3630, Helicopter
Tactical Operations at the High Hover.