Aircraft undershoot during ILS approach

No fatalities • Anchorage-Merrill Field, United States of America • Landing (descent or approach)

An aircraft crashed one mile short of the runway while performing an instrument landing system approach under low visibility conditions.

What happened

During an approach under instrument meteorological conditions, the aircraft struck the ground approximately one mile before reaching the runway threshold. The flight was executing an ILS approach in an environment characterized by fog and a low ceiling at night. During the descent, the aircraft experienced a significant deviation from the established decision height.

Findings

Investigations into the accident identified several contributing factors related to the pilot's handling of the approach. The pilot failed to identify and respond appropriately to a major deviation from the required altitude. Key findings include:

  • Failure by the pilot in command to follow established IFR procedures.
  • Disregard for the prescribed decision height during the descent.
  • Environmental factors including fog, low cloud ceilings, and darkness.
  • The pilot's failure to recognize and react to a gross deviation from the decision height.

Probable cause

The pilot failed to monitor and respond to a significant altitude deviation during an instrument approach in low visibility conditions.

Frequently asked questions

What happened in the 1987-01-28 Cessna 207 Skywagon/Stationair accident near Anchorage-Merrill Field, United States of America?

An aircraft crashed one mile short of the runway while performing an instrument landing system approach under low visibility conditions.

Were there any fatalities in the 1987-01-28 Cessna 207 Skywagon/Stationair accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 1987-01-28 involved a Cessna 207 Skywagon/Stationair, registration N7393U, operated by SouthCentral Air, at Anchorage-Merrill Field, United States of America.

What was the probable cause of the accident?

The pilot failed to monitor and respond to a significant altitude deviation during an instrument approach in low visibility conditions.

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