ASN Wikibase Occurrence # 41187
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| Date: | Saturday 27 April 1991 |
| Time: | 12:42 LT |
| Type: |  Monnett Sonerai II |
| Owner/operator: | Millhof, Gerald N. |
| Registration: | N4FD |
| MSN: | 00267 |
| Engine model: | VOLKSWAGEN 1860 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Jacksonville, FL -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WITNESSES STATED ENG DID NOT SOUND AS IF IT WAS PRODUCING FULL POWER ON TAKEOFF. SHORTLY AFTER TAKEOFF THE ENG QUIT. AS THE PLT ATTEMPTED A FORCED LANDING ON AN ALLEY THE ACFT TOUCHED DOWN HARD IN A RIGHT SLIP. THE ACFT THEN BOUNCED INTO THE AIR, TRAVELED 80 FEET, COLLIDED WITH A TELEPHONE POLE, AND CAME TO REST. AFTER THE ACCIDENT A LARGE AMOUNT OF AUTOMOTIVE FUEL LEAKED FROM THE RUPTURED FUEL TANK AND LINES. EXAM OF THE ENG AFTER THE ACCIDENT REVEALED THE SPARK PLUGS, PISTONS, AND CYLINDERS HAD EXCESSIVE BLACK SOOT DEPOSITS. THE CARB IDLE ADJUSTING SCREW WAS STRIPPED AND THE MIXTURE CONTROL SCREW HAD RECENT TOOLING MARKS ON IT. WITNESSES STATED THAT THE ENGINE HAD BEEN OPERATING WITH A RICH FUEL MIXTURE AND THAT THE PILOT HAD BEEN ATTEMPTING TO ADJUST IT TO THE PROPER SETTING.
Probable Cause: THE PILOT'S IMPROPER ADJUSTMENT OF THE CARBURETOR.
Accident investigation:
 |
|
Sources:
NTSB MIA91LA128
Location
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] |
| 21-Apr-2024 06:54 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report] |
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