Emergency landing attempt results in stall and terrain impact

Casualties unknown • Big Creek, ID, US

A pilot attempted an emergency landing following takeoff from a grass airstrip after noticing performance irregularities related to a previous duct tape repair.

What happened

Shortly after departing from a grass/turf airstrip, the pilot noticed that the aircraft was performing irregularly. The pilot suspected these performance issues might be linked to a recent repair involving duct tape, which had been used to cover torn wing skin and reinforce a bent wing rib.

Due to these concerns, the pilot decided to perform an immediate emergency landing. To approach the runway in the opposite direction of the initial takeoff, the pilot executed a right turn of approximately 70 to 80 degrees, followed by a steeply banked left turn to realign with the runway. During this maneuver, witnesses observed that the aircraft remained no more than 100 feet above the ground (AGL). As the aircraft approached the runway, the turn tightened, and the pilot allowed the airspeed to drop below the minimum power-on stalling speed. This resulted in the aircraft stalling and mushing into the terrain.

Findings

Calculations performed after the accident determined that the density altitude at the time of the event was approximately 7,800 feet.

Probable cause

The pilot allowed the aircraft to fly below its minimum power-on stalling speed during a steep turn while attempting an emergency landing.

Frequently asked questions

What happened in the 1998-06-28 Piper PA-18 accident near Big Creek, ID?

A pilot attempted an emergency landing following takeoff from a grass airstrip after noticing performance irregularities related to a previous duct tape repair.

What aircraft was involved and where did it happen?

The accident on 1998-06-28 involved a Piper PA-18, registration N44536, at Big Creek, ID.

What was the probable cause of the accident?

The pilot allowed the aircraft to fly below its minimum power-on stalling speed during a steep turn while attempting an emergency landing.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X10438. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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