Aircraft Accident/Incident Report

Dana Point, California 92629
Sunday, July 17, 1988 16:30 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING A FISH SPOTTING OPERATION OVER THE OCEAN, THE ENGINE BEGAN TO RUN ROUGH AND VIBRATE. THE ENGINE QUIT COMPLETELY SHORTLY THEREAFTER AND THE AIRPLANE WAS DITCHED IN THE OCEAN. THE AIRPLANE WAS NOT RECOVERED. THE PLT STATED THAT THE ENG LOST POWER THEN SEIZED. THE STARTER WOULD ENGAGE BUT WOULD NOT ROTATE THE ENGINE. THE DEPTH OF THE WATER AT THE ACCIDENT SITE WAS APPROX 3600 FT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/17/1988
Event Day of the Week Sunday
Time of Event 1630
Event Time Zone Pacific Daylight Time
Event City DANA POINT
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92629
Event Date Year 1988
Event Date Month 7
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 Pilot
Time of the weather observation 1714
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) 50
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Unknown
Wind Speed (knots) 8
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 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1232
NTSB Notification Source --
NTSB Notification Date Jul 18 1988 12:00AM
NTSB Notification Time 730
Fiche Number and/or location -used to find docket information 37325
Date of most recent change to record Dec 13 2000 11:56AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6226G
NTSB Number LAX88LA262
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150K
Aircraft Series Identifier 150K
Aircraft Serial Number 15071726
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 --
Airframe hours since last inspection 250
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name COBLEY, DENNIS
Aircraft Owner Street Address
Aircraft Owner City LONG BEACH
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 14121 WYNN STREET
Operator City WESTMINSTER
Operator State CA
Operator Country
Operator Zip code 92683
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) Aerial Observation
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code AVX
Departure City AVALON
Departure State CA
Departure Country
Departure Time 1345
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code LGB
Destination City LONG BEACH
Destination State CA
Destination Country
Specific Phase of Flight Cruise
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --