VOLUME I Multinational Maritime Tactical Instructions and Procedures

MTP 1(D), Vol. I
H
handover (aircraft). The process of transferring control of aircraft from one controlling authority to
another.
hard kill. In ASMD hard-kill measures are those which directly damage a missile by impact.
height. The vertical distance of a level, a point, or an object considered as a point, measured from a
specific datum.
helicopter action group (HAG). A unit comprised of two or more helicopters which are assigned
to counter a particular surface threat.
helicopter element coordinator (HEC). The officer who is assigned responsibility for the coordination
of employment of organic helicopters other than those retained by the AREC.
helicopter windline screen. A helicopter screen provided for a carrier temporarily during flight
operations, relative to the carrier’s track into the wind.
high probability intercept equipment. An intercept receiver which will detect any transmission
which illuminates its antenna, within the wide frequency band it is designed to cover, as soon as
that transmission is made within a certain limiting range.
HOVERTAC. An attack conducted by a dipping helicopter on its own target while maintaining
sonar contact.
I
identification. The assignment of one of the six standard identities, based upon available data and
the determined identification criteria.
identification criteria. Criteria laid down by the OTC or delegated authority to determine which
standard identity can be assigned to a detected contact based on the available localization and
recognition data.
identification/recognition. The determination by any means of the friendly or enemy character or
of the individuality of another, or of objects such as aircraft and ships, or of phenomena such as
communications-electronics patterns.
identification safety range (ISR). The minimum range to which an aircraft may close an assumed
friendly force without having been positively identified to ensure that the force does not mistake
the aircraft for enemy.
identify. The process of determining identity by either recognition or identification/recognition.
identity. The friendly or hostile character or individuality of a contact.
independent. A merchant ship under naval control sailed singly and unescorted by a warship.
influence mine. A mine actuated by the effect of a target or some physical condition in the vicinity
of the mine or on radiations emanating from the mine.
Glossary-12 CHANGE 1