Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Simi Valley, California 93065
Friday, August 30, 1985 17:36 PDT
NTSB Narrative Summary Released at Completion of Accident
THE ACFT COLLIDED WITH TREES DURING A FORCED LANDING FOLLOWING A LOSS OF PWR. THE STUDENT PLT STATED THE FLT WAS NORMAL UNTIL A 'VIOLENT RIGHT YAW' DEVELOPED WHEN THE TROTTLES WERE ADVANCED TO RECOVER FROM A PRACTICE STALL. AS THE CFI TOOK OVER THE CONTROLS AND ATTEPTED RECOVERY A 'SUBSTANTIAL LOSS OF POWER' OCCURRED ON BOTH ENGS. A FORCED LANDING WAS MADE IN A FLD DURING WHICH THE LEFT WING CONTACTED TREES AND THE ACFT WAS ENGULFED IN FLAMES. POST ACCIDENT EXAMINATION OF THE LEFT ENG FAILED TO DISCLOSE ANY DISCREPANCIES. DISCREPANCIES WERE NOTED ON THE RIGHT ENG. 1) THE FUEL CONTROLLER FUEL LINE 'TEE' FITTING WAS CRACKED AROUND 50% OF ITS CIRCUMFERENCE. (DUCTILE OVERLOAD) 2) THE TURBOCHARGER GASKET ON THE INLET SIDE OF THE TURBINE SHOWED LEAKAGE AOUND 70% OF THE GASKET ARE. THE ACFT HAD A HISTORY OF SYMPTOMS OF FUEL VAPORIZATION WHICH SUBSIDED WITH USE OF THE AUX FUEL PUMP AS THE ENG MANUFACTORER SUGGESTS. IT IS UNKNOWN IF THE AUX PUMP WAS USED DURING THIS ACCIDENT.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/30/1985 |
| Event Day of the Week | Friday |
| Time of Event | 1736 |
| Event Time Zone | Pacific Daylight Time |
| Event City | SIMI VALLEY |
| Event State | CALIFORNIA |
| Event Country | -- |
| Zipcode of the event site | 93065 |
| Event Date Year | 1985 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | |
| Event Location Nearest Airport ID | |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 0 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Witness |
| Time of the weather observation | 1721 |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | |
| Elevation of weather observation facility | 0 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Clear |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 20 |
| Air Temperature at event time (in degrees celsius) | 29 |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Serious |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | 3 |
| Injury Total All | 3 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1857 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 30 1985 12:00AM |
| NTSB Notification Time | 1736 |
| Fiche Number and/or location -used to find docket information | 29238 |
| Date of most recent change to record | Jan 2 2001 9:15AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N6490V |
| NTSB Number | LAX85FA376 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | Ground |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | T303 |
| Aircraft Series Identifier | T303 |
| Aircraft Serial Number | T30300312 |
| Certified Max Gross Weight | 5000 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 6 |
| Number of Engines | 2 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Jul 23 1985 12:00AM |
| Airframe hours since last inspection | 1 |
| Airframe Hours | 2 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | RAYMOND J. RISHER,P.F.MARGO |
| Aircraft Owner Street Address | 1900 AVE.OF THE STARS #2870 |
| Aircraft Owner City | CENTURY CITY |
| Aircraft Owner State | CA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 90067 |
| Operator is an individual? | -- |
| Operator Name | GUNNELL AVIATION |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 3000 AIRPORT AVENUE |
| Operator City | SANTA MONICA |
| Operator State | CA |
| Operator Country | |
| Operator Zip code | 90405 |
| Operator Code | |
| Owner has at least one certificate | Yes - certificate holder |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | Unknown |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | -- |
| Indicates Domestic or International Flight | -- |
| Operator carrying Pax/Cargo/Mail | -- |
| Type of Flying (Per_Bus / Primary) | Instructional |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | SMO |
| Departure City | SANTA MONICA |
| Departure State | CA |
| Departure Country | |
| Departure Time | 1645 |
| Departure Time Zone | PDT |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | |
| Destination City | |
| Destination State | |
| Destination Country | |
| Specific Phase of Flight | Landing |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:30AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 0 |
| Runway Length | 0 |
| Runway Width | 0 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |