Casualties unknown

1998-06-04: Cessna 172N (N6234D) — Prindle, WA

Prindle, WA, US

On June 4, 1998, a Cessna 172N (registration N6234D) was involved in an aviation accident near Prindle, WA. Investigators recorded the probable cause as: The pilot-in-command's failure to maintain control of the aircraft during attempted flight into instrument meteorological conditions. Factors contributing to the accident were clouds, dark night conditions, spatial disorientation, and drug impairment. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 1781061362Data APIEditorial standards

A non-instrument rated pilot departed at 0211 in dark night, encountered low ceilings, and entered a left descending spiral. Wreckage distribution indicated a steep descent. Toxicology revealed amphetamine, methamphetamine, and THC.

Flight History

The pilot, who was not rated for instrument flight, departed at 0211 under dark night conditions. The weather included ceilings of 1,400 feet broken and 2,200 feet overcast. Radar tracking showed the aircraft reaching an altitude of 2,000 feet before entering a left, descending spiral.

Wreckage and Impact

The last radar target was observed within half a mile of the crash site. The distribution of wreckage and tree strikes indicated that the aircraft had a steep descent angle at impact.

Toxicology

Toxicological testing of the pilot revealed the presence of multiple substances. The blood levels were 0.020 µg/ml or µg/g of amphetamine, 0.092 µg/ml or µg/g of methamphetamine, and 0.005 µg/ml or µg/g of tetrahydrocannabinol (THC), the active substance in marijuana.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X10413. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.