ASN Wikibase Occurrence # 38588
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| Date: | Saturday 30 September 1989 |
| Time: | 09:45 |
| Type: |  Monnett Sonerai II L |
| Owner/operator: | private |
| Registration: | N76DJ |
| MSN: | 9123 |
| Engine model: | REVMASTER 2100D |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Interlochen, MI -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | |
| Northport, MI (5D5) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING THE INITIAL CLIMB AFTER TAKEOFF, THE ENG LOST POWER. SUBSEQUENTLY, THE PLT WAS UNABLE TO RETURN TO THE airport & THE ACFT COLLIDED WITH TREES DURING AN EMERGENCY LANDING. NEW VALVES HAD RECENTLY BEEN INSTALLED IN THE ENG. AN EXAM OF THE HOME BUILT ACFT'S ENG REVEALED THE #3 CYLINDER HEAD WAS LOOSE & A HOLE HAD MELTED IN THE ALUMINUM CYLINDER HEAD. CAUSE: LOOSE CYLINDER DUE TO IMPROPER MAINTENANCE BY THE PILOT/OWNER, WHICH RESULTED IN OVERHEATING AND FAILURE OF THE ALUMINUM CYLINDER HEAD. THE PRESENCE OF TREES WAS CONSIDERED TO BE A FACTOR.
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X29314
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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