Dual engine failure and crash near Newhall

2 fatalities • Newhall, United States of America • Flight

An aircraft crashed in an isolated area near Newhall following a total loss of power in both engines during cruise flight.

What happened

During the cruise phase of flight, the pilot encountered significant icing conditions that led to a simultaneous loss of power in both engines. In an effort to reach the ground safely, the pilot attempted an emergency landing; however, the aircraft type crashed in a remote location situated near Newhall. The accident resulted in two fatalities.

Findings

Investigations into the crash identified several contributing elements related to the engine failure and the environmental conditions at the time of the incident. The loss of power was attributed to the incorrect use of powerplant controls. Specific factors included:

  • Failure to properly utilize anti-icing or deicing systems
  • Formation of ice within the carburetor
  • Presence of rain and atmospheric conditions that promoted induction system icing
  • Improper operation of engine controls
  • Impairment of the pilot's physical and cognitive efficiency, specifically related to alcohol consumption

Probable cause

The engines failed during cruise flight due to the incorrect manipulation of powerplant controls and a failure to manage ice accumulation.

Frequently asked questions

What happened in the 1981-01-28 Beechcraft H18 accident near Newhall, United States of America?

An aircraft crashed in an isolated area near Newhall following a total loss of power in both engines during cruise flight.

Were there any fatalities in the 1981-01-28 Beechcraft H18 accident?

The accident was fatal, resulting in 2 fatalities.

What aircraft was involved and where did it happen?

The accident on 1981-01-28 involved a Beechcraft H18, registration N787Q, operated by Western States Express, at Newhall, United States of America.

What was the probable cause of the accident?

The engines failed during cruise flight due to the incorrect manipulation of powerplant controls and a failure to manage ice accumulation.

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