Casualties unknown

Homebuilt Aircraft Stalls After Slip on Final Approach During First Flight (N121WE)

Aztec, NM, US

On January 31, 1992, an Air Trans. Inc WHITE LIGHTNING (registration N121WE) operated by Air Transportation, Inc. was involved in an aviation accident near Aztec, NM. Investigators recorded the probable cause as: THE INADVERTENT STALL AND THE PILOT'S LACK OF EXPERIENCE IN THE ACCIDENT AIRCRAFT. 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 2026-07-04Data APIEditorial standards

Witnesses observed a high-performance homebuilt airplane execute a slip on final approach, then stall and roll off on one wing. The pilot, a private pilot and A&P mechanic, was on his first flight in the aircraft. The owner had instructed the pilot not to fly before his arrival.

Incident Overview

During the final approach, witnesses reported that the high-performance homebuilt airplane performed a slip maneuver. Shortly thereafter, the aircraft stalled and rolled off on one wing. The pilot, who held a private pilot certificate and was also an Airframe and Powerplant (A&P) mechanic, had previously worked on the airplane. This flight marked his first time flying the aircraft.

Pilot and Owner Instructions

According to the investigation, the owner had explicitly told the pilot not to fly the airplane prior to his arrival. Despite this warning, the pilot proceeded with the flight.

Designer's Statement

The aircraft's designer stated during the investigation that slipping the airplane was never acceptable under any circumstances. The designer emphasized that the aircraft should never have been slipped.

Investigation Details

The incident is under investigation. No additional information regarding injuries, damage, or other factors has been released.

Frequently asked questions

What happened in the 31 Jan 1992 Air Trans. Inc WHITE LIGHTNING accident near Aztec, NM?

Witnesses observed a high-performance homebuilt airplane execute a slip on final approach, then stall and roll off on one wing. The pilot, a private pilot and A&P mechanic, was on his first flight in the aircraft. The owner had instructed the pilot not to fly before his arrival.

What aircraft was involved and where did it happen?

The accident on 31 Jan 1992 involved an Air Trans. Inc WHITE LIGHTNING, registration N121WE, operated by Air Transportation, Inc., at Aztec, NM.

What was the probable cause of the accident?

THE INADVERTENT STALL AND THE PILOT'S LACK OF EXPERIENCE IN THE ACCIDENT AIRCRAFT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13982. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.