Oceano Airport
Aircraft Accident/Incident Report

Oceano, California 93445
Saturday, January 17, 1987 15:15 PST

NTSB Narrative Summary Released at Completion of Accident

SHORTLY AFTER TAKEOFF, THE SURVIVING PAX (S/P) NOTICED THE ACFT BEGAN LOSING ALT. SHE HEARD THE PLT COMMENT ABOUT A 'CLICKING NOISE IN THE LEFT WING' WHICH SHE ALSO HEARD & SAID SOUNDED LIKE METAL CLICKING TOGETHER. GROUND WITNESSES NOTICED A CHANGE IN ENG SOUND. SEVERAL RPRTD AN INTERRUPTION OF ENG PWR, BUT OTHERS (INCLUDING THE S/P) DID NOT RPRT A A PWR LOSS. SUBSEQUENTLY, THE ACFT CRASHED APRX 600 YDS SSE FM THE APCH END OF RWY 29. DRG IMPACT, THE LEFT WING & NOSE WERE EXTENSIVELY DMGD. AFTER IMPACT, THE ACFT TRAVELED ONLY ABOUT 37' BEFORE COMING TO REST. AN EXAM REVEALED THE #4 EXHAUST PIPE FAILED NEXT TO THE WELDED FLANGE THAT ATTACHED THE PIPE TO THE EXHAUST PORT. THE FRACTURES WERE DISCOLORED BY EXHAUST GASES & PEENED BY REPEATED CTC WITH THE MATING SURFACES, MAKING EVALUATION DIFFICULT. MUCH OF THE FRACTURE WAS 90 DEG TO THE PIPE SURFACE (TYPICAL OF FATIGUE). THE FLANGE HAD BEEN PREVIOUSLY REPAIRED BY PUTTING A SLEEVE OF MATERIAL ARND THE PIPE & WELDING IT TO THE FLANGE. SOME AREAS OF THE REPAIR WELD DID NOT ADHERE TO THE SLEEVE OR FLANGE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 1/17/1987
Event Day of the Week Saturday
Time of Event 1515
Event Time Zone Pacific Standard Time
Event City OCEANO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93445
Event Date Year 1987
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport OCEANO
Event Location Nearest Airport ID L52
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 25
Degrees magnetic from airport 160
Airport Elevation 14
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 1450 Pacific Standard Time
Direction of event from weather observation facility (degrees) 128
Weather Observation Facility ID SMX
Elevation of weather observation facility 259
Distance of event from weather observation facility (units?) 11
Time Zone of the weather observation PST
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) 13
Dew Point at event time (in degress fahrenheit) -11
Wind Direction (degrees magnetic) 340
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) 30
Density Altitude (feet) 14
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 3
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 2481
NTSB Notification Source --
NTSB Notification Date Jan 17 1987 12:00AM
NTSB Notification Time 1630
Fiche Number and/or location -used to find docket information 36778
Date of most recent change to record Dec 13 2000 1:36PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5982P
NTSB Number LAX87FA088
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 PIPER
Aircraft Model PA-24-180
Aircraft Series Identifier PA-24-180
Aircraft Serial Number 241075
Certified Max Gross Weight 2550
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 6 1986 12:00AM
Airframe hours since last inspection 59
Airframe Hours 3279
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CHRISTOPHER C. CORMIER
Aircraft Owner Street Address 3095 MARINA DR #13
Aircraft Owner City MARINA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93933
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 Yes
Departure Point Same as Event Yes
Departure Airport Code L52
Departure City
Departure State
Departure Country
Departure Time 1515
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code MRY
Destination City MONTEREY
Destination State CA
Destination Country
Specific Phase of Flight Descent
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 29
Runway Length 2335
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --