# Accident 20070916829609A: Grenier Robert T KITFOX SERIES IV, Moultonboro, NH, September 16, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 16, 2007, 13:55 local time
- Place: Moultonboro, NH
- Airport: Moultonboro
- Damage: Substantial damage
- Operating rules: General operating rules (Part 91)
- Location: 43.7678° N, 71.3853° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.7678&lon=-71.3853&mi=10
- Aircraft: N20577, registered now (https://openairdocs.org/aircraft/N20577) (OpenAirDocs)
- Registry model: Grenier Robert T KITFOX SERIES IV (registry code 05614FI, https://openairdocs.org/model/grenier-robert-t-kitfox-series-iv) (OpenAirDocs)
- Fatal injuries: 0
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB NYC07CA230](https://openairdocs.org/ntsb/NYC07CA230) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070916829609A

## Narrative

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

(-23) THE PILOT ^PRIVACY DATA OMITTED^ WAS TAKING OFF FROM RUNWAY 20, (3600' PAVED) AT MOULTONBOROUGH, NH (5M3). LIFT-OFF AND INITIAL CLIMB WERE NORMAL. AT APPROXIMATELY 3/4 OF THE RUNWAY LENGTH, THE ENGINE STARTED TO SPUTTER AND LOSE POWER. THE PILOT ELECTED TO CONTINUE STRAIGHT AHEAD (DUE TO LOW AIRSPEED AND ALTITUDE), AND LANDED IN A SWAMP OFF THE END OF THE RUNWAY. AIRCRAFT CAME TO AN ABRUPT STOP WITH THE NOSE AND PROP IN THE MUD ON A NORTHWESTERLY HEADING. THE PILOT (ONLY OCCUPANT), EXITED THE AIRCRAFT AND WALKED TO SAFETY WITH NO INJURIES. PROPERTY DAMAGE WAS NEGLIGIBLE. THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE: NOSE GEAR BROKE OFF, R WING AFT ATTACH FAILED, L WING BUCKLED OUTBOARD OF STRUT, FUSELAGE STRUCTURE EXTENSIVELY DAMAGED TOP OF COCKPIT AND LEFT AFT LOWER LONGERON BENT, 3 BLADE PROP BENT BUT NEGLIGIBLE EVIDENCE OF ROTATION/POWER AT IMPACT, PROP & CRANKSHAFT WOULD TURN (NOT SEIZED).

## 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 NYC07CA230](https://openairdocs.org/ntsb/NYC07CA230), Sep 16, 2007: Grenier Kitfox IV (N20577), Moultonboro, NH, substantial damage. Probable cause: The failure of both spark plugs in the number 3 cylinder which resulted in a partial loss of engine power.

## Other reports on N20577 (1)

Matched to the same aircraft by N-number and date.

- [Incident 20050808017609I](https://openairdocs.org/incident/20050808017609I), Aug 8, 2005: Amtr KITFOXIV (N20577), Ossippee Lake, NH, Substantial damage. (-23) On take off for Ossippee Lake NH - as soon as the a/c broke the water the a/c immediately tipped to the left with the left wing tip catching the water,…

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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