Aircraft Overruns Runway at Newman Airport

Casualties unknown • Mount Tauhara, Taupō latitude: 176° 9’ 45.24” E longitude: 38° 41’ 35.23” S, NZ

An aircraft failed to decelerate as expected after touchdown at Newman Airport, resulting in the aircraft stopping beyond the runway threshold.

What happened

During an arrival at Newman Airport, an aircraft touched down on runway 05 but failed to achieve the expected deceleration. As the aircraft moved along the runway, the captain identified that the aircraft was experiencing aquaplaning. In response, the pilot implemented the appropriate aquaplaning recovery technique and engaged maximum reverse thrust. Despite these efforts, the aircraft continued past the runway threshold, eventually coming to a stop 70 m beyond the upwind end of the runway.

The investigation

Investigators examined several critical elements surrounding the landing. The analysis focused on the aircraft's speed at the moment of touchdown and the subsequent effectiveness of the braking systems. Furthermore, the investigation looked into the environmental conditions present during the landing to determine how they impacted the aircraft's performance. The scope of the inquiry also included evaluating the information provided to the flight crew, specifically regarding their ability to perform a proper threat assessment and their awareness of the runway's surface condition.

Probable cause

The aircraft experienced aquaplaning upon touchdown on runway 05, which prevented effective deceleration and led to the aircraft overrunning the runway threshold.

Frequently asked questions

What happened in the 2020-05-31 Alexander GmbH Schleicher ASK21 accident near Mount Tauhara, Taupō latitude: 176° 9’ 45.24” E longitude: 38° 41’ 35.23” S, NZ?

An aircraft failed to decelerate as expected after touchdown at Newman Airport, resulting in the aircraft stopping beyond the runway threshold.

What aircraft was involved and where did it happen?

The accident on 2020-05-31 involved a Alexander GmbH Schleicher ASK21, registration ZK-GTG, operated by Taupo Gliding Club, at Mount Tauhara, Taupō latitude: 176° 9’ 45.24” E longitude: 38° 41’ 35.23” S, NZ.

What was the probable cause of the accident?

The aircraft experienced aquaplaning upon touchdown on runway 05, which prevented effective deceleration and led to the aircraft overrunning the runway threshold.

Investigation report by the New Zealand Transport Accident Investigation Commission (TAIC). Original record: https://taic.org.nz/inquiry/ao-2020-002. This page is a structured re-presentation; facts and quotes are in the Transport Accident Investigation Commission (TAIC), New Zealand.

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