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| Risk item | FM code | Definition |
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| ARC | FM1 | Abnormal runway contact (any landing or takeoff involving abnormal runway or landing surface contact) |
| ADRM | FM2 | Aerodrome (aerodrome design, service, or functionality issues are evident) |
| ATM | FM3 | Air traffic management (ATM) or communications/navigation/surveillance (CNS) service issues are evident |
| CFIT | FM4 | Controlled flight into or toward terrain (in-flight collision or near collision with terrain, water, or obstacle without indication of loss of control) |
| F-NI | FM5 | Fire/smoke (nonimpact) (fire or smoke in or on the aircraft, in flight, or on the ground, which is not the result of impact) |
| RAMP | FM6 | Ground handling (occurrences during or from ground handling operations) |
| GCOL | FM7 | Ground collision (collision while taxiing to or from a runway) |
| ICE | FM8 | Icing (accumulation of snow, ice, or frost on aircraft surfaces that adversely affects aircraft control or performance) |
| LOC-G | FM9 | Loss of control-ground (loss of aircraft control while the aircraft is on the ground) |
| RE | FM10 | Runway excursion (a veer off or overrun off the runway surface) |
| RI-A | FM11 | Runway incursion-animal (collision with, risk of collision, or evasive action taken by an aircraft to avoid an animal on a runway in use) |
| RI-VAP | FM12 | Runway incursion-vehicle, a/c or person (any occurrence at an aerodrome involving the incorrect presence of an aircraft, vehicle or person on the protected area of a surface designated for the landing and takeoff of aircraft) |
| SEC | FM13 | SEC: security related (criminal/security acts, which result in accidents or incidents) |
| USOS | FM14 | Undershoot/overshoot (a touchdown off the runway surface) |
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