Causes

Terrain-clearance risk in airline accidents

Official investigators identified terrain-clearance risk in 2 of the incidents we cover, from 2023 to 2025. Each account explains how it arose in that case. A shared topic does not mean the same cause.

Last updated

Terrain-clearance risk incident summary
DateFlightAircraftLocationFatalitiesReport status
24 July 2025Angara Airlines Flight 2311Antonov An-24RVNot stated48, all aboardLEVEL 3 Final report
13 June 2023Air New Zealand Flight 8199De Havilland Canada DHC-8-311 (Q300)Approach to Timaru Runway 20, about 11 NM from runway at the significant deviationNo injuriesLEVEL 3 Final report
Angara Airlines Antonov An-24RV RA-47315 with its landing gear extended.The incident aircraft: Rodion Kuznetsov

Angara Airlines Flight 2311

An altitude-reference mismatch brought an An-24 approximately 600 metres below the intended approach height near Tynda.

Incident date:

LEVEL 3 Final report

Air New Zealand Q300 ZK-NEM in flight with landing gear extendedThe incident aircraft: Tony Hisgett

Air New Zealand Flight 8199

A Q300 descended 2,500 ft below its planned profile at night before the captain recognised the error and climbed.

Incident date:

LEVEL 3 Final report