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The excursion may be intentional or unintentional. For example, the deliberate veer off to avoid a collision, brought about by a Runway Incursion. In this case, code both categories.
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Use RE in all cases where the aircraft left the runway/helipad/helideck regardless of whether the excursion was the consequence of another event.
RUNWAY INCURSION – ANIMAL (RI–A)
Collision with, risk of collision, or evasive action taken by an aircraft to avoid an animal on a runway or on a helipad/helideck in use.
Usage Notes:
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Includes encounters with wildlife on a runway in use.
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Includes instances where evasive action is taken by the flight crew that leads to a collision off the runway or to consequences other than a collision (e.g., gear collapsing).
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Runway incursions may occur at controlled or uncontrolled airports.
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Excludes unprepared/natural landing sites.
RUNWAY INCURSION – VEHICLE, AIRCRAFT OR PERSON (RI–VAP)
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From Procedures for Air Navigation Services – Air traffic Management (ICAO DOC 4444), first included in April 2004.
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Excludes unprepared/natural landing sites.
SECURITY RELATED (SEC)
Criminal/Security acts which result in accidents or incidents (per the International Civil Aviation Organization [ICAO] Annex 13).
Usage Notes:
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While security-related acts can lead to accidents as defined as by ICAO Annex 13, they are not considered accidents by some organizations. Regardless, these events have similar consequences in that they result in serious injury or death to person(s) and/or substantial damage to the aircraft. For these reasons, they are categorized as security-related occurrences for prevention purposes only.
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Examples include, a) hijacking and/or aircraft theft; b) interference with a crewmember (e.g., unruly passengers); c) flight control interference; d) ramp/runway/taxiway security; e) sabotage; f) suicide; and g) acts of war.
SYSTEM/COMPONENT FAILURE OR MALFUNCTION (NON-POWERPLANT) (SCF–NP)
Failure or malfunction of an aircraft system or component other than the powerplant.
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If the failure renders the aircraft uncontrollable it is coded as SCF–NP only, not as loss of control (LOC–I or LOC–G). However, if the failure does not render the aircraft uncontrollable, but leads to a loss of control, code the event under both SCF–NP and LOC–I or LOC–G, as appropriate.
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Rotorcraft main rotor and tail rotor system, drive system and flight control failures or malfunctions are also coded here.
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