Montgomery Airport
Aircraft Accident/Incident Report

San Diego, California 92138
Saturday, May 20, 1989 13:00 PDT

NTSB Narrative Summary Released at Completion of Accident

THE RIGHT MAIN LANDING GEAR COLLAPSED DURING A LANDING AFTER SEVERAL ATTEMPTS WERE MADE TO LOCK THE GEAR INTO THE DOWN POSITION. AFTERWARDS, WHEN THE AIRCRAFT WAS ON JACKS AND THE ROD END DISCONNECTED, THE LANDING GEAR WAS RETRACTED AND THE DRAG LINK LOCKED DOWN OVER CENTER AND MET TOLERANCE. DURING THE RETRACTION THE DOWN LOCK SWITCH COULD BE HEARD TO CLICK PRIOR TO THE DRAG LINK LOCKING OVER CENTER. DAMAGE TO THE LANDING GEAR, EXCEPT FOR THE ROD END, WAS IMPACT DAMAGE FROM THE COLLAPSING GEAR.

NTSB Probable Cause Narrative

THE COLLAPSE OF THE RIGHT MAIN LANDING GEAR DUE TO A BENT ROD END WHICH PREVENTED THE LANDING GEAR DRAG LINK TO LOCK OVER CENTER.

Event Information

Type of Event Accident
Event Date 5/20/1989
Event Day of the Week Saturday
Time of Event 1300
Event Time Zone Pacific Daylight Time
Event City SAN DIEGO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92138
Event Date Year 1989
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MONTGOMERY
Event Location Nearest Airport ID MYF
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 423
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
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) 10
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 5
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 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) 1214
NTSB Notification Source --
NTSB Notification Date May 23 1989 12:00AM
NTSB Notification Time 800
Fiche Number and/or location -used to find docket information 39422
Date of most recent change to record Dec 13 2000 12:41PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6545P
NTSB Number LAX89LA201
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-24-250
Aircraft Series Identifier PA-24-250
Aircraft Serial Number 24-1667
Certified Max Gross Weight 2800
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 --
Airframe hours since last inspection 11
Airframe Hours 3650
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MIKE PETERSON
Aircraft Owner Street Address 635 W BAKER Y107
Aircraft Owner City COSTA MESA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92626
Operator is an individual? --
Operator Name MICHAEL PETERSON
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 635 WEST BAKER
Operator City COSTA MESA
Operator State CA
Operator Country
Operator Zip code 92626
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 PDT
Destination Same as Local Flt crash at destination city
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 28R
Runway Length 3400
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --