Skip to content

Atlas / NTSB / WPR24LA069

NTSB CAROL · Event

Event WPR24LA069

2023-12-23 Whitefish, Montana, United States Airport · 58S None 1 aircraft Status: Completed

Registry · N43415

FAA Aircraft Registry record.

Make / Model

TAYLORCRAFT BC12-D

Year of manufacture

1946 · 77 years old at event

Engine

CONT MOTOR A&C65 SERIES (65 hp)

Seats / Engines

2 seats · 1 engine

ADS-B equipped

Yes — Mode-S A53493

Registrant of record

MUTH DILLON J

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The failure of the airport authorities to renew the airport closure NOTAM for the airport. Contributing to the accident, was the pilot’s inability to see the runway closure sign.

Factual narrative

The pilot of the tailwheel-equipped airplane reported that the airport had recently been closed but the applicable Notice to Air Missions (NOTAM) had expired, and he flew to the airport. Upon arrival, he overflew the field to check the wind direction and then entered a downwind for the runway. The approach was uneventful until just before touchdown when the airplane struck a steel structure, which was a runway closed sign, that had been placed near the runway threshold. The pilot further reported that he did not see the sign before impact due to visibility limitations of the tailwheel-equipped airplane on approach. The airplane subsequently nosed over and came to rest inverted, resulting in substantial damage to the vertical stabilizer and rudder. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot thought that the NOTAM of the airport closure had expired. It was determined that the airport was meant to be temporarily closed, but the applicable NOTAM was inadvertently allowed to expire and was not renewed. Appropriate mitigations have since been incorporated to prevent recurrence. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).

  • Organizational issues-Support/oversight/monitoring-Oversight-Equipment monitoring-Airport
  • Organizational issues-Management-Communication (organizational)-Between groups/organizations-Airport
  • Environmental issues-Physical environment-Object/animal/substance-Ground equipment-Effect on equipment
  • Personnel issues-Physical-Sensory ability/limitation-(general)-Pilot

Verbatim from NTSB's published report. Source file NTSB_2023_WPR24LA069.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.