ASN Wikibase Occurrence # 352953
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| Date: | Saturday 24 July 1999 |
| Time: | 09:00 LT |
| Type: |  Cessna 172E |
| Owner/operator: | Private |
| Registration: | N5784T |
| MSN: | 17251684 |
| Year of manufacture: | 1964 |
| Total airframe hrs: | 3840 hours |
| Engine model: | Continental O-360 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Emeryville, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Redlands, CA (L12) |
| Hayward, CA (KHWD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot made a forced landing on an interstate highway following a loss of engine power. His destination was overcast with thick clouds so he flew inland and descended to a low altitude to get under them. He turned back toward his destination airport. The airplane was level at 1,500 feet under the overcast about 10 miles north of his destination when the engine power went to zero. The engine restarted and stopped two more times. He setup to land on the highway. He thought he might hit a car, so he pulled the nose up into a full stall. The airplane hit hard; the right wing hit a road sign and spun the airplane into a fence. The pilot had planned about 3 hours en route; actual flight time was 3 hours 40 minutes. Recovery personnel drained no fuel from the right tank and 2 drops of fuel from the left tank. They drained less than 3 ounces from the fuel sump. During a follow-up inspection, investigators supplied the engine with fuel. The engine started and they completed normal run-up checks of the magnetos and propeller. They ran the engine to full power without discovering any discrepancies. The airplane had been modified so that the original 145 horsepower Continental engine had been replaced with a 180 horsepower Textron Lycoming engine with a constant speed propeller. The FAA accident coordinator looked onboard the airplane, but did not find any supplements or changes to the airplane flight manual regarding this engine modification.
Probable Cause: The pilot's inadequate in-flight planning and inadequate fuel consumption calculations, resulting in a total loss of engine power due to fuel exhaustion. Factors were the pilot's failure to have all appropriate flight manuals aboard the airplane and the low cloud ceilings.
Accident investigation:
 |
|
Sources:
NTSB LAX99LA256
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Mar-2024 08:34 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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