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Annual Safety Review 2014
Acronyms and Definitions
PAGE 154
Occurrence Categories
Occurrence categories can be used to classify occurrences at a high‑level to permit analysis of the data. The
CICTT has developed the occurrence categories used in this Annual Safety Review. For further details on this team
and the occurrence categories see the website
ARC Abnormal runway contact
AMAN Abrupt manoeuvre
ADRM Aerodrome
ATM/CNS Air Traffic Management/Communication Navigation Surveillance
BIRD Collision/near Collision with bird(s)
CABIN Cabin safety event
CFIT Controlled flight into or toward terrain
CTOL Collision with obstacle(s) during take‑off and landing
EVAC Evacuation
EXTL External load related occurrence
F‑NI Fire/smoke (non‑impact)
F‑POST Fire/smoke (post‑impact)
FUEL Fuel related
GCOL Ground collision
GTOW Glider towing related event
RAMP Ground handling
ICE Icing
LOC‑G Loss of control — Ground
LOC‑I Loss of control — In‑flight
LOLI Loss of lifting conditions en‑route
LALT Low altitude operation
MAC Airprox/TCAS alert/loss of separation/near midair collisions/midair collision
OTHR Other
RE Runway excursion
RI‑A Runway incursion — Animal
RI‑VAP Runway incursion — Vehicle, aircraft or person
SEC Security related
SCF‑NP System/component failure or malfunction (non‑powerplant)
SCF‑PP System/component failure or malfunction (powerplant)
TURB Turbulence encounter