Individually Owned: 150,657
Corporate Owned: 137,281
Los Banos Municipal Airport
Aircraft Accident/Incident Report
Los Banos, California 93635
Friday, April 15, 1988 20:52 PDT
NTSB Narrative Summary Released at Completion of Accident
ACCORDING TO WITNESSES, THE PILOT ENCOUNTERED MARGINAL VFR WX WHILE EN ROUTE TO DESTINATION WHILE ON A NIGHT VFR PLEASURE FLT. HE DECIDED TO DIVERT TO ANOTHER AIRPORT WHICH ALSO HAD MARGINAL CONDITIONS. WX OBSERVATION STATIONS CLOSE TO ACCIDENT SITE WERE REPORTING TEMP/DEW POINT SPREAD OF 3 DEGREES WITH A FORECAST OF FOG AND HAZE LATER. THE ACCIDENT SITE WAS FLAT WITH LAKES NEARBY. THE CONDITIONS WERE CONDUCIVE FOR SPATIAL DISORIENTATION WITH DARK FEATURELESS TERRAIN, LOW AMBIENT LIGHT, POOR VISIBILITY, AND NO HORIZON. WITNESSES REPORTED SEEING THE ACFT OVERSHOOT THE RUNWAY AND GO AROUND. THE ACFT CRASHED ON A HEADING THAT WOULD HAVE RETURNED IT TO THE AIRPORT. THE ACFT STRUCK THE GROUND IN A NOSE LOW, RIGHT BANK ATTITUDE. NO EVIDENCE WAS FOUND TO INDICATE THAT THE PILOT HAD ANY RECENT INSTRUMENT TRAINING.
NTSB Probable Cause Narrative
FAILURE OF THE PILOT TO MAINTAIN CONTROL OF HIS AIRCRAFT TO AVERT A COLLISION WITH THE GROUND.
Event Information
| Type of Event | Accident |
| Event Date | 4/15/1988 |
| Event Day of the Week | Friday |
| Time of Event | 2052 |
| Event Time Zone | Pacific Daylight Time |
| Event City | LOS BANOS |
| Event State | CALIFORNIA |
| Event Country | -- |
| Zipcode of the event site | 93635 |
| Event Date Year | 1988 |
| Event Date Month | 4 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | LOS BANOS MUNICIPAL |
| Event Location Nearest Airport ID | LSN |
| 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 | 119 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Witness |
| Time of the weather observation | 0 |
| 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 | Night/Dark |
| Lowest Ceiling Height | 8000 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Partial Obscuration |
| Sky Condition for Lowest Ceiling | Overcast |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 3 |
| Air Temperature at event time (in degrees celsius) | 12 |
| Dew Point at event time (in degress fahrenheit) | 11 |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | 4 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 4 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2377 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Apr 16 1988 12:00AM |
| NTSB Notification Time | 1400 |
| Fiche Number and/or location -used to find docket information | 39091 |
| Date of most recent change to record | Dec 13 2000 11:41AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N4493L |
| NTSB Number | LAX88FA161 |
| 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 | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | 172G |
| Aircraft Series Identifier | 172G |
| Aircraft Serial Number | 17254588 |
| Certified Max Gross Weight | 2150 |
| 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 | 4 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Aug 26 1987 12:00AM |
| Airframe hours since last inspection | 35 |
| Airframe Hours | 3574 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | -- |
| Aircraft Owner Name | SATEREN, DON |
| Aircraft Owner Street Address | 113 LA SOMBRA COURT |
| Aircraft Owner City | TURLOCK |
| Aircraft Owner State | CA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 95380 |
| Operator is an individual? | -- |
| Operator Name | SATERN, DON |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 113 LA SOMBERA COURT |
| Operator City | TURLOCK |
| Operator State | CA |
| Operator Country | |
| Operator Zip code | 95380 |
| Operator Code | |
| Owner has at least one certificate | None |
| 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) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | 3O8 |
| Departure City | COALINGA |
| Departure State | CA |
| Departure Country | |
| Departure Time | 2015 |
| Departure Time Zone | PDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | O14 |
| Destination City | TURLOCK |
| Destination State | CA |
| Destination Country | |
| Specific Phase of Flight | Maneuvering |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:35AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 32 |
| Runway Length | 3000 |
| Runway Width | 75 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |