Aircraft Accident/Incident Report

Marathon, Florida 33050
Monday, July 14, 1986 8:21 EDT

NTSB Narrative Summary Released at Completion of Accident

FLIGHT EXPERIENCED LOSS OF ENGINE OIL AND SUBSEQUENT SEIZING OF THE ENGINE AT WHICH TIME THE AIRCRAFT WAS DITCHED IN THE GULF OF MEXICO. POST CRASH EXAMINATION OF THE ENGINE REVEALED THE OIL LINE FROM THE PROPELLER GOVENOR TO THE ENGINE NOSE CASE HAD FAILED IN FATIGUE AT A BEND. TWO REQUIRED SUPPORT CLAMPS FOR THIS LINE WERE NOT INSTALLED. THE LINE HAD BEEN CHANGED 8 FLIGHT HOURS BEFORE THE FAILURE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/14/1986
Event Day of the Week Monday
Time of Event 821
Event Time Zone Eastern Daylight Time
Event City MARATHON
Event State FLORIDA
Event Country --
Zipcode of the event site 33050
Event Date Year 1986
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 750 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 240
Weather Observation Facility ID EYW
Elevation of weather observation facility 4
Distance of event from weather observation facility (units?) 39
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 28
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 120
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 750
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 648
NTSB Notification Source --
NTSB Notification Date Jul 14 1986 12:00AM
NTSB Notification Time 908
Fiche Number and/or location -used to find docket information 31021
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9306N
NTSB Number MIA86LA209
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-28R-200
Aircraft Series Identifier PA-28R-200
Aircraft Serial Number 28R-35006
Certified Max Gross Weight 2600
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 Feb 1 1986 12:00AM
Airframe hours since last inspection 20
Airframe Hours 3280
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name BOOKSTEIN AIRCRAFT CORPORATION
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 2404 NE 9TH STREET
Operator City FT.LAUDERDALE
Operator State FL
Operator Country
Operator Zip code 33304
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 EYW
Departure City KEY WEST
Departure State FL
Departure Country
Departure Time 745
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code FXE
Destination City FT.LAUDERDALE
Destination State FL
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
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 --