# Accident 19951007049159A: Amtr RV4, Longmont, CO, October 7, 1995

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 7, 1995, 12:50 local time
- Place: Longmont, CO
- Damage: Destroyed
- Operating rules: General operating rules (Part 91)
- Location: 40.1705° N, 105.1104° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.1705&lon=-105.1104&mi=10
- Aircraft: N61TR, a cancelled registration (https://openairdocs.org/deregistered/N61TR-2014-10-29) (OpenAirDocs)
- Registry model: Rupe Thomas C RV-4 (registry code 056088Q, https://openairdocs.org/model/rupe-thomas-c-rv-4) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: AMTR RV4
- People aboard: 1
- Fatal injuries: 1
- NTSB investigation: [NTSB FTW96FA009](https://openairdocs.org/ntsb/FTW96FA009) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19951007049159A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-16) WITNESSES REPORTED SEEING AIRCRAFT IN LEVEL FLIGHT TRAILING SMOKE. A POPPING NOISE WAS HEARD AND THE AIRCRAFT WENT INTO A NOSEDOWN SPIN, IMPACTING THE GROUND. THE AIRCRAFT BURNED AFTER IMPACT. INVESTIGATION REVEALED THAT 20" OF ONE PROP BLADE WAS MISSING DUE TO AN IN-FLIGHT FAILURE. IT WAS DETRMINED TO HAVE LATERAL CRACKS PRIOR TO FAILURE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW96FA009](https://openairdocs.org/ntsb/FTW96FA009), Oct 7, 1995: Rupe RV-4 (N61TR), Longmont, CO, destroyed, 1 fatal. Probable cause: the installation of an unapproved metal propeller which led to a fatigue failure of a blade and loss of aircraft control.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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