Orlando County Airport
Aircraft Accident/Incident Report

Plymouth, Florida 32768
Saturday, July 23, 1988 14:15 EDT

NTSB Narrative Summary Released at Completion of Accident

AFTER A NORMAL LNDG, DURING THE LNDG ROLL AT APRX 50-55 MPH, THE ACFT ROLLED THROUGH A 1-2' DEEP PUDDLE OF WATER. THE ACFT SLOWED & AT APRX 35 MPH, THE RT MAIN LNDG GEAR SLOWLY BEGAN ROTATING AFT. THE ACFT CAME TO REST SUPPORTED BY THE RT HORIZONTAL STABILIZER & THE NOSE & LEFT MAIN LNDG GEAR. EXAMINATION OF THE FAILED GEAR REVEALED THE ATTACH BOLT FOR THE GEAR SPRING ASSY FAILED, ALLOWING THE GEAR TO ROTATE AFT. EXAMINATION OF THE BOLT REVEALED IT FAILED DUE TO EXCESS SHEAR LOADS PLACED ON IT DURING TORSIONAL LOADING OF THE UPPER END OF THE LNDG GEAR TUBE. THE BOLT ALSO SHOWED EVIDENCE OF FRETTING. HARDNESS TESTS PERFORMED REVEALED THE BOLT WAS WITHIN SPECIFICATIONS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/23/1988
Event Day of the Week Saturday
Time of Event 1415
Event Time Zone Eastern Daylight Time
Event City PLYMOUTH
Event State FLORIDA
Event Country --
Zipcode of the event site 32768
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 ORLANDO COUNTY
Event Location Nearest Airport ID X04
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 143
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1420 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 122
Weather Observation Facility ID ORL
Elevation of weather observation facility 113
Distance of event from weather observation facility (units?) 17
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 15000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 3
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 360
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) --
Intensity of Precipitation Moderate
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) 1354
NTSB Notification Source --
NTSB Notification Date Jul 23 1988 12:00AM
NTSB Notification Time 1515
Fiche Number and/or location -used to find docket information 37471
Date of most recent change to record Dec 13 2000 11:57AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N12840
NTSB Number MIA88LA235
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 172M
Aircraft Series Identifier 172M
Aircraft Serial Number 17262304
Certified Max Gross Weight 2300
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 Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 11 1988 12:00AM
Airframe hours since last inspection 15
Airframe Hours 2800
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DARSON, DAVID A
Aircraft Owner Street Address 1967 LINNEAL BEACH DR.
Aircraft Owner City APOPKA
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 32703
Operator is an individual? --
Operator Name LARSON, DAVID A.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1967 LINNEAL BEACH DR
Operator City APOPKA
Operator State FL
Operator Country
Operator Zip code 32703
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1300
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
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 15
Runway Length 3000
Runway Width 30
Sight Seeing flight No
Air Medical Flight No
Medical Flight --