ASN Wikibase Occurrence # 361626
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| Date: | Saturday 24 July 1993 |
| Time: | 14:50 LT |
| Type: |  Cessna 172 |
| Owner/operator: | Pacific Flight Services |
| Registration: | N51409 |
| MSN: | 17274309 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 3101 hours |
| Engine model: | LYCOMING O-320-D2J |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Vacaville, CA -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE LOCAL CONTROLLER CLEARED THE FLIGHT FOR A STRAIGHT IN APPROACH TO RUNWAY 20 TO FOLLOW A LARGE HELICOPTER. THE CONTROLLER CAUTIONED THE PILOT OF POSSIBLE EXISTING WAKE TURBULENCE. WHILE NEARING THE THRESHOLD THE AIRPLANE ENCOUNTERED SOME TURBULENCE AND THE PILOT INITIATED A GO AROUND. DURING THE GO AROUND THE AIRPLANE ENCOUNTERED MORE SEVERE TURBULENCE AND COULD NOT CONTROL THE AIRPLANE. THE AIRPLANE STRUCK THE RUNWAY AND SKIDDED TO A STOP. THE PILOT REPORTED THAT THE SURFACE WINDS WERE FROM 180 DEGREES AT 10 KNOTS, GUSTING TO 15 KNOTS.
Probable Cause: THE PILOT'S IMPROPER IN-FLIGHT PLANNING/DECISION BY FAILING TO ALLOW ENOUGH TIME FOR THE ROTOR WASH TO DISSIPATE BEFORE ATTEMPTING THE APPROACH. THE WAKE TURBULENCE (ROTOR WASH) WAS A FACTOR IN THIS ACCIDENT.
Accident investigation:
 |
|
Sources:
NTSB LAX93LA298
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 20:27 | ASN Update Bot | Added |
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