Emergencies

Unlawful Interference

An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.

Quick answer: An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.

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Languages

Quick answer

An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.

Why it matters

Unlawful Interference matters because it supports clear communication in Emergencies contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is Unlawful Interference?

In this glossary, Unlawful Interference refers to: An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.

How is Unlawful Interference used in aviation?

In aviation communication, this term appears in contexts such as: "Mayday, mayday, mayday, this is Flight 216, we are subject to unlawful interference."

Why does Unlawful Interference matter in aviation?

Unlawful Interference matters because it supports clear communication in Emergencies contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses Unlawful Interference?

Unlawful Interference is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does Unlawful Interference belong to?

In this glossary, Unlawful Interference is grouped under Emergencies. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.

Operational example

Mayday, mayday, mayday, this is Flight 216, we are subject to unlawful interference.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Emergencies

Exam relevance

  • ICAO Level 4
  • ICAO Level 5
  • ICAO Level 6
  • EASA FCL.055

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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