Casualties unknown

NTSB Report: Aircraft Deviates from Localizer During Second ILS Approach (N999VP)

Spokane, WA, US

On December 15, 1993, a Piper PA-32R-300 (registration N999VP) operated by Spokane Airways was involved in an aviation accident near Spokane, WA. Investigators recorded the probable cause as: THE PILOT'S FAILURE TO MAINTAIN PROPER ALIGNMENT WITH THE INSTRUMENT LANDING SYSTEM APPROACH COURSE. THE PILOT'S FAILURE TO PERFORM A MISSED APPROACH WAS A FACTOR. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 2 related events involving the same aircraft type or operator are linked below.

Sourcesthe U.S. National Transportation Safety Board (NTSB) historical archivePrimary reportUpdated 2026-06-19Data APIEditorial standards

Radar data indicates the aircraft tracked the localizer course before gradually turning left about two miles from the runway end, resulting in a crash northwest of the centerline.

What happened

The pilot had previously missed one instrument landing system (ILS) approach and was conducting a second ILS approach to runway 03. Radar data showed the aircraft tracking the localizer course until gradually turning to the left about two miles from the end of the runway. The aircraft crashed about 1/4 miles northwest of the localizer centerline, approximately abeam the middle marker. The impact scar orientation was about 310 degrees.

The investigation

Radar data showed the aircraft tracking the localizer course until gradually turning to the left about two miles from the end of the runway.

Frequently asked questions

What happened in the 15 Dec 1993 Piper PA-32R-300 accident near Spokane, WA?

Radar data indicates the aircraft tracked the localizer course before gradually turning left about two miles from the runway end, resulting in a crash northwest of the centerline.

What aircraft was involved and where did it happen?

The accident on 15 Dec 1993 involved a Piper PA-32R-300, registration N999VP, operated by Spokane Airways, at Spokane, WA.

What was the probable cause of the accident?

THE PILOT'S FAILURE TO MAINTAIN PROPER ALIGNMENT WITH THE INSTRUMENT LANDING SYSTEM APPROACH COURSE. THE PILOT'S FAILURE TO PERFORM A MISSED APPROACH WAS A FACTOR.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001211X13918. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.