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Figure 21 shows the number of accidents and serious incidents per Occurrence Category in a graphical format.
The most common risk areas for accidents and serious incidents were Loss of Control In‑flight (LOC‑I), followed
by System/Component Failure – Non‑Powerplant (SCF‑NP) and System/Component Failure – Powerplant (SCF‑PP).
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Figure 21:
CAT helicopter number of accidents and serious incidents 2005-2014
per occurrence category
0
5
10
15
20
25
30
35
Number of Accidents and Serious Incidents
WSTRW: Windshear or thunderstorm
USOS: Undershoot/overshoot
UIMC: Unintended ight in IMC
SEC: Security related
ICE: Icing
UNK: Unknown or undetermined
RI-VAP: Runway incursion - vehicle, aircraft or person
RAMP: Ground Handling
FUEL: Fuel related
EVAC: Evacuation
ADRM: Aerodrome
F-NI: Fire/smoke (non-impact)
OTHR: Other
LOC-G: Loss of control - ground
ATM: ATM/CNS
AMAN: Abrupt maneuvre
TURB: Turbulence encounter
MAC: Airprox/ ACAS alert/ loss of separation/ (near) midair collisions
F-POST: Fire/smoke (post-impact)
ARC: Abnormal runway contact
LALT: Low altitude operations
CTOL: Collision with obstacle(s) during take-o and landing
CFIT: Controlled ight into or toward terrain
SCF-PP: powerplant failure or malfunction
SCF-NP: System/component failure or malfunction [non-powerplant]
LOC-I: Loss of control - in ight