# Accident 20070331003429A: Tmpson NAVIONA, Marlboro, MA, March 31, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 31, 2007, 16:20 local time
- Place: Marlboro, MA
- Airport: Marlboro Airport
- Damage: Destroyed
- Phase of flight: Final Approach
- Operating rules: General operating rules (Part 91)
- Location: 42.3431° N, 71.5089° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.3431&lon=-71.5089&mi=10
- Aircraft: N4047K, registered now (https://openairdocs.org/aircraft/N4047K) (OpenAirDocs)
- Registry model: Navion NAVION A (registry code 6150104, https://openairdocs.org/model/navion-navion-a) (OpenAirDocs)
- Reported make and model: TMPSON NAVIONA
- Fatal injuries: 0
- Pilot flight hours: 3,600 total, 500 in this make and model, 40 in the last 90 days
- NTSB investigation: [NTSB NYC07CA090](https://openairdocs.org/ntsb/NYC07CA090) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070331003429A

## Narrative

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

(-23) PILOT STATED ON A FLIGHT FROM ASH TO 9B1 AT APPROXIMATELY 4:20 P.M. WHILE ON FINAL APPROACH AIRCRAFT HIT TREES APPROXIMATELY 50' FROM THE END OF RUNWAY 32. PILOT FURTHER STATED THE FLIGHT BETWEEN ASH AND 9B1 ENVIRONMENT WAS UNEVENTFUL. UPON APPROACHING 9B1 AN AIRPORT ADVISORY WAS REQUESTED, BUT NOT RESPONDED TO. PILOT LISTENED TO ATIS FOR ORH AND BED, WINDS AT ORH WERE REPORTED CALM BED 8. PILOT DESCRIBED THE FINAL APPROACH AS NORMAL FOR 9B1. THE ENGINE WAS CLEARED PRIOR TO SHORT FINAL, NO STALL WARNING INDICATED. VERY SHORT FINAL, PRIOR TO FINAL OBSTRUCTIONS A SIGNIFICANT SINK RATE WAS ENCOUNTERED. POWER WAS APPLIED BUT WAS INSUFFICIENT TO COUNTER SHEAR. WINGS MADE CONTACT WITH TREES, AIRCRAFT HIT RUNWAY, SPUN AROUND BACKWARDS, COMING TO REST APPROXIMATELY 50 FEET OFF THE RUNWAY. PILOT EXITED THE AIRCRAFT, POST CRASH FIRE ENSUED. THE AIRCRAFT WAS DESTROYED.

## 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 NYC07CA090](https://openairdocs.org/ntsb/NYC07CA090), Mar 31, 2007: Navion A (N4047K), Marlboro, MA, substantial damage. Probable cause: The pilot's failure to maintain a proper glidepath to the runway.

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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