Alyra Municipal Airport
Aircraft Accident/Incident Report

Almyra, Arkansas 72003
Friday, May 9, 1986 20:00 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT STATED THAT THE LANDING WAS ROUTINE UNTIL HE USED THE BRAKES. AT THIS POINT THE LEFT WHEEL BRAKE ASSEMBLY CAME APART AND THE ACFT VEERED OUT OF CONTROL OFF THE RIGHT SIDE OF THE RWY AND INTO A DITCH, WHERE THE LEFT MAIN LANDING GEAR COLLAPSED. POST ACCIDENT INSPECTION OF THE BRAKE ASSEMBLY REVEALED A WORN OUT BRAKE PISTON. ACCORDING TO AN A&P/IA, THIS PISTON DESIGN ASSEMBLY IS PRONE TO PREMATURE WEAR.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/9/1986
Event Day of the Week Friday
Time of Event 2000
Event Time Zone Central Daylight Time
Event City ALMYRA
Event State ARKANSAS
Event Country --
Zipcode of the event site 72003
Event Date Year 1986
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ALYRA MUNICIPAL
Event Location Nearest Airport ID M73
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 210
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1950 Central Daylight Time
Direction of event from weather observation facility (degrees) 295
Weather Observation Facility ID LIT
Elevation of weather observation facility 258
Distance of event from weather observation facility (units?) 43
Time Zone of the weather observation CDT
Lighting Conditions Dusk
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
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) 15
Air Temperature at event time (in degrees celsius) 23
Dew Point at event time (in degress fahrenheit) 19
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1100
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) 2213
NTSB Notification Source --
NTSB Notification Date May 10 1986 12:00AM
NTSB Notification Time 949
Fiche Number and/or location -used to find docket information 32787
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 N5509X
NTSB Number MKC86LA102
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name AERO COMMANDER
Aircraft Model S2R
Aircraft Series Identifier S2R
Aircraft Serial Number 1709R
Certified Max Gross Weight 6000
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 14 1987 12:00AM
Airframe hours since last inspection 249
Airframe Hours 3553
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name GRAND PRAIRIE FLYING SERV. INC
Aircraft Owner Street Address P.O. BOX 220
Aircraft Owner City ALMYRA
Aircraft Owner State AR
Aircraft Owner Country
Aircraft Owner Zipcode 72003
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 Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1900
Departure Time Zone CDT
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 28
Runway Length 2000
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --