aircraft proximity

aircraft proximity; AIRPROX
A situation in which, in the opinion of a pilot or air traffic services personnel, the distance between aircraft as well as their relative positions and speed have been such that the safety of the aircraft involved may have been compromised. An aircraft proximity is classified as follows:
Risk of collision. The risk classification of an aircraft proximity in which serious risk of collision has existed.
Safety not assured. The risk classification of an aircraft proximity in which the safety of the aircraft may have been compromised.
No risk of collision. The risk classification of an aircraft proximity in which no risk of collision has existed.
Risk not determined. The risk classification of an aircraft proximity in which insufficient information was available to determine the risk involved, or inconclusive or conflicting evidence precluded such determination.
(PANS-ATM)
Official definition added to Doc 4444 by Amdt 5 (10/11/1994).
сближение воздушных судов; AIRPROX
Ситуация, в которой, по мнению пилота или персонала органа обслуживания воздушного движения, расстояние между воздушными судами, а также их относительное местоположение и скорость таковы, что безопасность данных воздушных судов может быть поставлена под угрозу. Сближение воздушных судов классифицируется следующим образом:
Риск столкновения. Категория ситуаций, когда в результате сближения воздушных судов возникала серьёзная опасность столкновения.
Безопасность полёта не гарантировалась. Категория ситуаций, когда в результате сближения воздушных судов безопасность этих воздушных судов могла быть поставлена под угрозу.
Риск столкновения отсутствовал. Категория ситуаций, когда в результате сближения воздушных судов не существовало опасности столкновения.
Риск не определён. Категория ситуаций со сближением воздушных судов, когда отсутствие достаточно полной информации не позволяет определить существовавший риск столкновения, или нет достаточно убедительных данных или же имеющиеся данные противоречат друг другу и это не позволяет определить степень риска.

International Civil Aviation Vocabulary (English-Russian). 2014.

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