Why is flying over a conflict zone dangerous?

Aircraft overflying a conflict zone can be exposed to surface-to-air missiles and other anti-aircraft weapons. Modern long-range systems can reach normal cruising altitudes, and aircraft may be misidentified or deliberately targeted.

What is MH17 and why is it significant for overflight risk?

Malaysia Airlines flight MH17 was a civil airliner shot down over a conflict area in eastern Ukraine in 2014, killing all 298 people aboard. It became the defining case for how the aviation industry shares conflict-zone risk information.

Threats

Conflict Zone Overflight Risk

Also known as: Conflict zone risk · Overflight risk

Conflict zone overflight risk is the danger that civil aircraft face when flying over or near an area of armed conflict, principally the threat of being damaged or shot down by surface-to-air missiles, man-portable air-defense systems or other anti-aircraft weapons.

Reviewed by AeroVigil Threat Intelligence Desk · 2026-05-31

The risk to civil aviation from conflict zones gained global attention after the 2014 downing of Malaysia Airlines flight MH17 over eastern Ukraine, which killed all 298 people on board. In response, ICAO, states and industry bodies strengthened processes for sharing risk information about conflict areas so operators can make informed routing decisions.

Assessing overflight risk involves the type and reach of weapon systems believed to be present, the altitude at which an aircraft would transit, the position of the conflict relative to published air routes, and any state-issued advisories, prohibitions or NOTAMs restricting the airspace. High-altitude cruise may be exposed only to long-range systems, while lower phases of flight near a conflict can face a broader range of threats.

Conflict zone risk is fundamentally a security signal rather than a routine safety hazard, and it often spans multiple FIRs. AeroVigil aggregates official conflict-zone advisories, airspace restrictions and related intelligence and ties them to the affected regions so operations and security teams can weigh overflight decisions against the latest picture.

Frequently asked

Why is flying over a conflict zone dangerous?: Aircraft overflying a conflict zone can be exposed to surface-to-air missiles and other anti-aircraft weapons. Modern long-range systems can reach normal cruising altitudes, and aircraft may be misidentified or deliberately targeted.
What is MH17 and why is it significant for overflight risk?: Malaysia Airlines flight MH17 was a civil airliner shot down over a conflict area in eastern Ukraine in 2014, killing all 298 people aboard. It became the defining case for how the aviation industry shares conflict-zone risk information.

Related terms

Sources

ICAO Doc 10084 — Risk Assessment Manual for Civil Aircraft Operations Over or Near Conflict Zones
ICAO Annex 17 — Security