Andrews Afb Airport
Aircraft Accident/Incident Report

Camp Springs, Maryland 20331
Monday, April 14, 1986 18:13 EST

NTSB Narrative Summary Released at Completion of Accident

DURING A FLT TO PREPARE THE STUDENT FOR A CFI CHECK RIDE, BOTH THE STUDENT AND THE CFI COULD NOT OBTAIN A GREEN LIGHT CONFIRMING THE NOSE GEAR WAS DOWN AND LOCKED. AFTER NUMEROUS ATTEMPTS TO ASSURE IT WAS DOWN AND LOCKED THE ACFT WAS LANDED AT ANDREWS AFB. THE NOSE GEAR COLLAPSED ON LANDING AND THE ACFT SLID OFF THE LEFT SIDE OF THE RWY. EXAMINATION REVEALED A SKEWED WEAR PATTERN DEEP WITHIN THE SLOT OF THE NOSE GEAR ALIGNER GUIDE. THE ENTIRE SLOT WAS FOUND TWISTED IN A DIRECTION CONSISTENT WITH DEFORMATION AT ITS UPPER END OF ONE OF THE GUIDE WALLS. THE EXTERIOR SURFACE OF THE SLOT WALL WHICH CONTAINED THE DEFORMATION AT ITS UPPER END REVEALED MARKS CONSISTENT WITH SHORT TERM CONTACT WITH THE ALIGNMENT BUSHING WHICH NORMALLY RIDES WITHIN THE SLOT. IF THE BUSHING DID NOT ALIGN WITH ITS GUIDE DURING RETRACTION AND BENT ONE OF THE GUIDE WALLS IT MAY CAUSE THE GEAR TO FAIL TO FULLY EXTEND.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/14/1986
Event Day of the Week Monday
Time of Event 1813
Event Time Zone Eastern Standard Time
Event City CAMP SPRINGS
Event State MARYLAND
Event Country --
Zipcode of the event site 20331
Event Date Year 1986
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ANDREWS AFB
Event Location Nearest Airport ID ADW
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 279
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1814 Eastern Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID ADW
Elevation of weather observation facility 268
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 14
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 100
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) 30
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 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2291
NTSB Notification Source --
NTSB Notification Date Apr 14 1986 12:00AM
NTSB Notification Time 1850
Fiche Number and/or location -used to find docket information 32946
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 N32613
NTSB Number BFO86FA023
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Military VFR
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-7535072
Certified Max Gross Weight 2650
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 100 Hour
Date of Last Inspection Feb 6 1986 12:00AM
Airframe hours since last inspection 61
Airframe Hours 4417
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name TRI-L INDUSTRIES, INC.
Aircraft Owner Street Address 9211 LOCKSLEY ROAD
Aircraft Owner City OXON HILL
Aircraft Owner State MD
Aircraft Owner Country
Aircraft Owner Zipcode 20022
Operator is an individual? --
Operator Name ANDREWS AERO CLUB
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address
Operator City ANDREWS AFB
Operator State MD
Operator Country
Operator Zip code 20331
Operator Code
Owner has at least one certificate Yes - certificate holder
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code ANP
Departure City ANNAPOLIS
Departure State MD
Departure Country
Departure Time 1630
Departure Time Zone EST
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 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 19
Runway Length 9855
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --