Aircraft Accident/Incident Report

San Clemente, California 92672
Tuesady, November 24, 1987 13:20 PST

NTSB Narrative Summary Released at Completion of Accident

A PARTIAL LOSS OF ENG POWER OCCURRED WHILE THE STUDENT PLT WAS ON A SOLO X-COUNTRY FLT. HE APPLIED CARB HEAT, BUT TO NO AVAIL. THE ENG CONTINUED TO RUN ROUGH & THE PLT MADE AN EMERGENCY LANDING ON UPWARD SLOPING TERRAIN. DURING THE LANDING ROLL, THE NOSE GEAR HIT A HOLE IN THE DIRT & THE ACFT NOSED OVER. AN EXAM OF THE ENG DISCLOSED THAT THE #3 EXHAUST VALVE RETAINING NUT HAD BACKED OFF UNTIL THE VALVE WOULD NOT OPERATE AS THE CRANKSHAFT WAS ROTATED. DURING MAINTENANCE ON THE PREVIOUS DAY, THE #3 VALVES HAD BEEN ADJUSTED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/24/1987
Event Day of the Week Tuesday
Time of Event 1320
Event Time Zone Pacific Standard Time
Event City SAN CLEMENTE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92672
Event Date Year 1987
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID SNA
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 23
Degrees magnetic from airport 120
Airport Elevation 0
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1246 Pacific Standard Time
Direction of event from weather observation facility (degrees) 100
Weather Observation Facility ID CRQ
Elevation of weather observation facility 328
Distance of event from weather observation facility (units?) 22
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Partial Obscuration
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 4
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2425
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 36424
Date of most recent change to record Dec 13 2000 2:59PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5418P
NTSB Number LAX88LA054
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 152
Aircraft Series Identifier 152
Aircraft Serial Number 15284941
Certified Max Gross Weight 1670
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 Nov 24 1987 12:00AM
Airframe hours since last inspection 1
Airframe Hours 3457
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JOHN G. LAWSON & CHARLES NOL
Aircraft Owner Street Address 729 S. HOBART
Aircraft Owner City LOS ANGELES
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 90005
Operator is an individual? --
Operator Name GUNNEL AVIATION
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 3000 AIRPORT AVE.
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 No
Departure Point Same as Event No
Departure Airport Code SMO
Departure City SANTA MONICA
Departure State CA
Departure Country
Departure Time 1235
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code CRQ
Destination City CARLSBAD
Destination State CA
Destination Country
Specific Phase of Flight Landing
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --