# Accident 19900923046819A: Piper PA12, Franconia, NH, September 23, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 23, 1990, 10:30 local time
- Place: Franconia, NH
- Airport: Franconia Airport
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 44.1960° N, 71.7507° W: Placed by OpenAirDocs at FRANCONIA (1B5), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1960&lon=-71.7507&mi=10
- Aircraft: N2770M, registered now (https://openairdocs.org/aircraft/N2770M) (OpenAirDocs)
- Registry model: Piper PA-12 (registry code 7101202, https://openairdocs.org/model/piper-pa-12) (OpenAirDocs)
- Registry engine: Lycoming 0-235 series (registry code 41505, https://openairdocs.org/engine/lycoming-0-235-series) (OpenAirDocs)
- Reported make and model: PIPER PA12
- Reported engine: LYC O235L2C
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 12,410 total, 1,140 in this make and model
- NTSB investigation: [NTSB NYC90LA228](https://openairdocs.org/ntsb/NYC90LA228) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900923046819A

## Narrative

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

BACKFIRE AND PARTIAL POWER LOSS. LANDED IN TREES. MUFFLER BAFFLE BROKE AND BLOCKED ENGINE EXHAUST.

## 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 NYC90LA228](https://openairdocs.org/ntsb/NYC90LA228), Sep 23, 1990: Piper PA-12 (N2770M), Franconia, NH, substantial damage. Probable cause: THE LANDING OF THE AIRPLANE IN UNSUITABLE TERRAIN, DUE TO THE MECHANICAL FAILURE OF THE ENGINE CENTER MUFFLER BAFFLE, WHICH BLOCKED THE EXHAUST FLOW, RESULTING IN A LOSS OF POWER.

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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