Casualties unknown

Accident Near Payson: Aircraft Stalled While Loaded Near Maximum Gross Weight (N4417Z)

Payson, AZ, US

On December 4, 1993, a Piper PA-18-150 (registration N4417Z) operated by Kenneth A. Johnson was involved in an aviation accident near Payson, AZ. Investigators recorded the probable cause as: The airplane stalled while loaded at or near its maximum gross weight limit. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-10Data APIEditorial standards

An airplane crashed in a ravine near a box canyon 8.5 miles southwest of Payson after stalling while descending. The aircraft was loaded near its maximum gross weight, and toxicology tests detected dihydrocodeine and salicylate.

Accident Details

A pilot landed at Payson, ate breakfast, refueled the airplane, and departed. A witness observed nothing unusual as the airplane climbed. The aircraft was not identified on radar, and there were no witnesses to the accident. The wreckage was discovered in a ravine near the top of a box canyon, approximately 8.5 miles southwest of Payson.

Examination Findings

Investigators found evidence that the airplane crashed while descending in a nose-low attitude. No preimpact part failure or malfunction was discovered. The propeller blades were deformed with S-shaped bends, leading edge gouges, and chord-wise scratches. The evidence indicated the airplane was loaded at or near its maximum gross weight limit and that it had stalled.

Toxicology Results

Toxicology tests of the pilot's blood revealed the presence of 0.065 ug/g of dihydrocodeine and 25 ug/g of salicylate (aspirin). Dihydrocodeine and salicylate were also detected in the pilot's urine.

Probable cause

The airplane stalled while loaded at or near its maximum gross weight limit.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13866. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.