Lee Gilmer Memorial Airport
Aircraft Accident/Incident Report

Gainesville, Georgia 30501
Sunday, September 26, 1999 9:35 EDT

NTSB Narrative Summary Released at Completion of Accident

The pilots stated that approach and landing were normal. During landing rollout, about 2,000 feet down the runway, the brakes became ineffective. The aircraft continued to roll off the end of the runway, down an embankment, across a 4 lane road, and came to rest in a drainage ditch. Post-crash examination of the main landing gear brakes showed that 3 out of the 4 brake assemblies were worn beyond allowable limits and all 4 antiskid wheel generators were not producing voltage within the allowable limits. The outboard right main tire had failed during landing roll do to the antiskid becoming inoperative due to the low voltage of the wheel generator. The airplane had received an A-1 through A-6 inspection 2 days before the accident and this was the first flight since the inspection. The A-5 inspection requires inspection of the landing gear brake assemblies for wear, cracks, hydraulic leaks, and release.

NTSB Probable Cause Narrative

The inadequate inspection of the main landing gear brake assemblies, which lead to operation of the aircraft with worn brakes that failed during the landing roll. Contributing factors were the descending terrain, roadway and ditch.

Event Information

Type of Event Accident
Event Date 9/26/1999
Event Day of the Week Sunday
Time of Event 935
Event Time Zone Eastern Daylight Time
Event City GAINESVILLE
Event State GEORGIA
Event Country --
Zipcode of the event site 30501
Event Date Year 1999
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport LEE GILMER MEMORIAL
Event Location Nearest Airport ID GVL
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 1275
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 953 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 110
Weather Observation Facility ID GVL
Elevation of weather observation facility 1275
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation EDT
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) 20
Dew Point at event time (in degress fahrenheit) 16
Wind Direction (degrees magnetic) 60
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 2000
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 3
Injury Total None --
Injury Total Serious 2
Injury Total All 5
Investigating Agency NTSB
NTSB Docket Number (internal use) 1458
NTSB Notification Source --
NTSB Notification Date Sep 26 1999 12:00AM
NTSB Notification Time 1020
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Mar 11 2001 4:07AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N224SC
NTSB Number MIA99FA267
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Learjet
Aircraft Model 24
Aircraft Series Identifier 24
Aircraft Serial Number 100
Certified Max Gross Weight 13000
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 8
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Sep 24 1999 12:00AM
Airframe hours since last inspection 2
Airframe Hours 12869
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name DOLPHIN AVIATION, INC.
Aircraft Owner Street Address 8191 NORTH TAMIAMI TRAIL
Aircraft Owner City SARASOTA
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 34243
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 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 Yes
Departure Point Same as Event No
Departure Airport Code SRQ
Departure City SARASOTA
Departure State FL
Departure Country
Departure Time 835
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
Destination Airport Code GVL
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Mar 11 2001 4:07AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 29
Runway Length 4001
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --