# Accident 19990426004079A: Amtr AVII, Fremont, MI, April 26, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 26, 1999, 15:30 local time
- Place: Fremont, MI
- Airport: Fremont Municipal Airport
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 43.4593° N, 85.9498° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=43.4593&lon=-85.9498&mi=10
- Aircraft: N6123P, a cancelled registration (https://openairdocs.org/deregistered/N6123P-2010-06-14) (OpenAirDocs)
- Registry model: Dawe Fredrick R ARNET PEREYRA AV II (registry code 05605QG, https://openairdocs.org/model/dawe-fredrick-r-arnet-pereyra-av-ii) (OpenAirDocs)
- Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs)
- Reported make and model: AMTR AVII
- People aboard: 1
- Fatal injuries: 0
- NTSB investigation: [NTSB CHI99LA134](https://openairdocs.org/ntsb/CHI99LA134) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990426004079A

## Narrative

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

PILOT WAS PRACTICING TOUCH AND GO LANDINGS ON PECK LAKE WHEN THE ACFT LOST POWER AND STRUCK TREES, OTHER CIRCUMSTANCES ARE UNKNOWN. (.19) ON APRIL 26, 1999, AT 1530 EASTERN DAYLIGHT TIME, A DAWE ARNET PEREYRA AVII, N6123P, PILOTED BY A PRIVATE PILOT, SUSTAINED SUBSTANTIAL DAMAGE DURING A FORCED LANDING, FOLLOWING A LOSS OF POWER, DURING INITIAL CLIMB FROM PECK LAKE, NEAR FREMONT, MICHIGAN. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT. THE PERSONAL FLIGHT WAS OPERATING UNDER THE PROVISIONS OF 14 CFR PART 91 AND WAS NOT ON A FLIGHT PLAN. THE PILOT REPORTED MINOR INJURIES. THE FLIGHT WAS ORIGINATING AT THE TIME OF THE ACCIDENT AND HAD THE INTENDED DESTINATION OF FREMONT MUNICIPAL AIRPORT, FREMONT, MICHIGAN. (-23)04-27-99; ACCIDENT INVESTIGATION OF HOMEBUILT AVENTURA II AMPHIBIAN.  ACCIDENT OCCURRED ON 04-26-99, AIRCRAFT DEPARTED PECK LAKE, WHITE CLOUD, MI. PILOT CLAIMED ENGINE WAS NOT PRODUCING FULL (NORMAL) RPM, BUT WAS COMMITED TO THE TAKE-OFF.  AIRCRAFT WAS ATTEMPTING CIRCLING CLIMB WHEN ENGINE QUIT.  ACFT STRUCK TOP OF TREE JUST WEST OF THE LAKE, AND CRASHED IN CLEARING NOSE FIRST THEN SETTLED INVERTED.  PILOT SUSTAINED MINOR INJURIES (BROKEN FI          NGER/HAND). ON-SITE INVESTIGATION REVEALED NO COMPRESSION IN THE FORWARD CYLINDER.  FURTHER DISASSEMBLY REVEALED THE PISTON HEAD WAS DAMAGED DUE TO DETONATION BELIEVED TO HAVE BEEN CAUSED BY A LEAN MIXTURE IN THAT CYL. OPERATION DURING THE DETONATION CAUSED PISTON PARTICLES TO SEIZE THE RINGS OF THE PISTON, SCORE THE CYLINDER WALLS AND CAUSE THE ENGINE TO SEIZE.  THE CAUSE OF THE LEAN MIXTURE MAY HAVE BEEN A FUEL PUMP PROBLEM DUE TO LOSS OF CASE PRESSURE IN THE FORWARD CYL. OR A CARBURETOR ADJUSTMENT OR RESTRICTED JET PROBLEM.  AIRCRAFT TOTAL TIME: 85 HOURS.  ENGINE TACH TIME 133 HOURS.

## 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 CHI99LA134](https://openairdocs.org/ntsb/CHI99LA134), Apr 26, 1999: Dawe Arnet Pereyra AV II (N6123P), Fremont, MI, destroyed. Probable cause: the seizure of the powerplant.

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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