ASN Wikibase Occurrence # 35770
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| Date: | Saturday 28 January 1995 |
| Time: | 11:35 LT |
| Type: |  Piper PA-28-180 |
| Owner/operator: | Dennis & Roslyn Lutz |
| Registration: | N9602J |
| MSN: | 28-3748 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 1728 hours |
| Engine model: | CONTINENTAL IO-550-B1 |
| Fatalities: | Fatalities: 2 / Occupants: 0 |
| Aircraft damage: | Unknown |
| Category: | Accident |
| Location: | Big Bear City, CA -
 United States of America
|
| Phase: | |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WITNESSES REPORTED OBSERVING NOTHING UNUSUAL DURING THE AIRPLANE'S TAKEOFF, EXCEPT THAT THE AIRPLANE ONLY CLIMBED TO ABOUT 300 FEET ABOVE GROUND LEVEL AS IT PASSED THE DEPARTURE END OF RUNWAY 08. THE AIRPORT'S PUBLISHED DEPARTURE PROCEDURE IS TO TURN 10 DEGREES LEFT OF THE RUNWAY HEADING AND OVERFLY LEVEL TERRAIN. SECONDS AFTER TAKEOFF, THE AIRPLANE WAS OBSERVED BEGINNING A RIGHT CROSSWIND TURN OVER RISING TERRAIN, AND IT COLLIDED WITH TREES AND A SNOW-COVERED MOUNTAINSIDE ABOUT 0.76 MILES SOUTHEAST OF THE AIRPORT. EXAMINATION OF THE AIRPLANE REVEALED THE ENGINE COMPARTMENT AIR INDUCTION SYSTEM WAS PARTIALLY BLOCKED BY THE PRESENCE OF 2-INCH-THICK FOAM RUBBER COWL PLUGS. THE PLUGS HAD BEEN LOCATED IN FRONT OF THE NO. 1 AND 2 CYLINDERS, AND INSIDE THE CARBURETOR AIR SCOOP INLET. THE PLUGS EXHIBITED A HANDMADE APPEARANCE.
Probable Cause: the pilot's improper preflight inspection during which he failed to insure removal of the induction air system inlet covers. This action resulted in a partial loss of engine power during initial climb. A factor which contributed to the accident was the pilot's decision to not follow published takeoff procedures which would have permitted flight over lower elevation terrain.
Accident investigation:
 |
|
Sources:
NTSB LAX95FA088
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Apr-2024 16:49 | ASN Update Bot | Updated [Time, Total occupants, Other fatalities, Phase, Departure airport, Destination airport, Source, Damage, Narrative, Accident report] |
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