Individually Owned: 151,845
Corporate Owned: 143,699
Redlands Municipal Airport
Aircraft Accident/Incident Report
Mt Home Village, California 92359
Sunday, April 17, 1994 9:00 PDT
NTSB Narrative Summary Released at Completion of Accident
THE AIRCRAFT LOST POWER AND COLLIDED WITH ROCKS SHORT OF THE RUNWAY. THE STUDENT PILOT WAS UNABLE TO REGAIN ENGINE POWER WHILE TURNING FROM THE DOWNWIND LEG TO THE BASE LEG AFTER REALIZING HIS ALTITUDE WAS TOO LOW. THE AIRPLANE'S ENGINE STOPPED RUNNING IN RESPONSE TO THE STUDENT PILOT'S THROTTLE APPLICATION. THE AIRPLANE OPERATOR SUSPECTED THE CARBURETOR VENTURI WAS ICED, CHOKING AIR FLOW, AND THE APPLICATION OF THROTTLE ENRICHED THE FUEL AIR MIXTURE TO A POINT WHERE THE ENGINE WOULD NOT RUN. EXAMINATION OF THE ENGINE DID NOT REVEAL ANY EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. IMPACT DAMAGE PRECLUDED THE OPERATIONAL TESTING OF THE AIRPLANE'S CARBURETOR HEAT SYSTEM. THE TEMPERATURE AND DEW POINT AT THE CLOSEST REPORTING WEATHER OBSERVATION FACILITY WAS 68 AND 47 DEGREES RESPECTIVELY. REVIEW OF A CARBURETOR ICING PROBABILITY CHART REVEALED THAT THE LISTED TEMPERATURE AND DEW POINT IS IN AN AREA OF THE GRAPH ANNOTATED 'MODERATE ICING IN CRUISE POWER, SERIOUS ICING WITH GLIDE POWER.'
NTSB Probable Cause Narrative
A loss of engine power due to undetermined reasons. The failure of the student pilot to properly plan his airport traffic pattern to reach the runway or other suitable forced landing area in the event of a loss of engine power was a factor in the accident.
Event Information
| Type of Event | Accident |
| Event Date | 4/17/1994 |
| Event Day of the Week | Sunday |
| Time of Event | 900 |
| Event Time Zone | Pacific Daylight Time |
| Event City | MT HOME VILLAGE |
| Event State | CALIFORNIA |
| Event Country | -- |
| Zipcode of the event site | 92359 |
| Event Date Year | 1994 |
| Event Date Month | 4 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | REDLANDS MUNICIPAL |
| Event Location Nearest Airport ID | L12 |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | 80 |
| Airport Elevation | 1571 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 846 Pacific Daylight Time |
| Direction of event from weather observation facility (degrees) | 150 |
| Weather Observation Facility ID | BUO |
| Elevation of weather observation facility | 2000 |
| Distance of event from weather observation facility (units?) | 15 |
| Time Zone of the weather observation | PDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 18000 |
| Lowest Non-Ceiling Height | 12000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 25 |
| Air Temperature at event time (in degrees celsius) | 20 |
| Dew Point at event time (in degress fahrenheit) | 8 |
| Wind Direction (degrees magnetic) | 360 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 4 |
| Wind Velocity Indicator | Unknown |
| 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 | Minor |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | 1 |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1475 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Apr 17 1994 12:00AM |
| NTSB Notification Time | 930 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Dec 6 2000 11:02AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N9276U |
| NTSB Number | LAX94LA191 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | 150M |
| Aircraft Series Identifier | 150M |
| Aircraft Serial Number | |
| Certified Max Gross Weight | 1600 |
| 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 | 2 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Mar 22 1994 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | -- |
| ELT Installed | Unknown |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | HOVELL, JOHN L. |
| Aircraft Owner Street Address | 420 NOTTINGHAM DRIVE |
| Aircraft Owner City | REDLANDS |
| Aircraft Owner State | CA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 92374 |
| Operator is an individual? | -- |
| Operator Name | AERO TECH ACADEMY |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 1745 SESSUMS DRIVE |
| Operator City | REDLANDS |
| Operator State | CA |
| Operator Country | |
| Operator Zip code | 92374 |
| 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) | Instructional |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | L12 |
| Departure City | REDLANDS |
| Departure State | CA |
| Departure Country | |
| Departure Time | 800 |
| Departure Time Zone | PDT |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| Destination Airport Code | L12 |
| Destination City | |
| Destination State | CA |
| Destination Country | |
| Specific Phase of Flight | Approach |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:34AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 26 |
| Runway Length | 4505 |
| Runway Width | 75 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |