# NTSB ATL92LA117: Piper PA-16, N6810K, Williamson, GA, June 6, 1992 - Type: NTSB accident investigation - Classification: Accident · Serious injuries · Limited investigation · Final report - Date: June 6, 1992, 13:50 local (17:50 UTC) - Place: Williamson, GA - Coordinates: 33.179851, -84.359954 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.1799&lon=-84.3600&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Highest injury: Serious injuries - Injuries: 1 serious, 1 minor - Status: Completed, report August 26, 1993 - Report: Approved by Office Director - NTSB case key (mKey): 8611 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL92LA117 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/8611/pdf - Page: https://openairdocs.org/ntsb/ATL92LA117 ## Probable cause (aircraft 2) THE FAILURE OF THE PILOT OF N46RB (THE SONERAI) TO MAINTAIN PROPER RUNWAY ALIGNMENT DURING THE TAKEOFF ROLL, AND HIS INADEQUATE VISUAL LOOKOUT. A FACTOR WAS THE LACK OF RUNWAY EDGE MARKINGS AT THIS AIRPORT. ## Probable cause (aircraft 1) THE FAILURE OF THE PILOT OF N46RB (THE SONERAI) TO MAINTAIN PROPER RUNWAY ALIGNMENT DURING THE TAKEOFF ROLL, AND HIS INADEQUATE VISUAL LOOKOUT. A FACTOR WAS THE LACK OF RUNWAY EDGE MARKINGS AT THIS AIRPORT. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water collision with object, taxi - to takeoff - object - aircraft moving on ground - proper alignment - not maintained, pilot of other aircraft (cause) - visual lookout - inadequate, pilot of other aircraft (cause) - facility,inadequate design, airport personnel (contributing factor) - On ground/water collision with object, takeoff - roll/run - object - aircraft moving on ground - proper alignment - not maintained, pilot in command (cause) - visual lookout - inadequate, pilot in command (cause) - facility,inadequate design, airport personnel (contributing factor) ## Analysis (aircraft 2) N46RB, A SONERAI 2L, WAS ON TAKEOFF ROLL ON RUNWAY 31 AT THE GRASS AIRSTRIP. N6810K, A PIPER PA-16, WAS NORTHEAST OF THE RUNWAY, TAXIING TOWARD THE TAKEOFF AREA FOR RUNWAY 31. SEVERAL WITNESSES AND THE PILOT OF N6810K REPORTED THAT THE SONERAI DRIFTED TO THE RIGHT DURING THE TAKEOFF ROLL, AND COLLIDED WITH THE TAXIING PIPER. AN FAA INSPECTOR REPORTED THAT THE AIRCRAFT COLLIDED OUTSIDE THE SURVEYED LIMITS OF THE RUNWAY, HOWEVER THERE WERE NO VISUAL MARKERS TO DELINEATE THE EDGE OF THE RUNWAY. ## Analysis (aircraft 1) N46RB, A SONERAI 2L, WAS ON TAKEOFF ROLL ON RUNWAY 31 AT THE GRASS AIRSTRIP. N6810K, A PIPER PA-16 WAS NORTHEAST OF THE RUNWAY, TAXIING TOWARD THE TAKEOFF AREA FOR RUNWAY 31. SEVERAL WITNESSES AND THE PILOT OF N6810K REPORTED THAT THE SONERAI DRIFTED TO THE RIGHT DURING THE TAKEOFF ROLL, AND COLLIDED WITH THE TAXIING PIPER. AN FAA INSPECTOR REPORTED THAT THE AIRCRAFT COLLIDED OUTSIDE THE SURVEYED LIMITS OF THE RUNWAY, HOWEVER THERE WERE NO VISUAL MARKERS TO DELINEATE THE EDGE OF THE RUNWAY. ## Aircraft 1 - Registration: [N6810K](https://openairdocs.org/deregistered/N6810K-1992-07-21), registration cancelled 1992-07-21, S/N 16640 (OpenAirDocs) - Reported make and model: PIPER PA-16 - Registry model: [Piper PA-16](https://openairdocs.org/model/piper-pa-16) (registry code 7101602) (OpenAirDocs) - Category: Airplane - Serial number: 16-640 - Airframe hours: 2907 - Engines: LYCOMING O-235-C1 108 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Furlong, Louis R. Jr. - Registered owner: Furlong, Louis R. Jr. - Airworthiness certificate: Standard, Normal - Last inspection: Annual, April 13, 1992, 29 hours before - Airport: 3GA7, Peach State Airport, runway 31, 3,100 × 100 ft, grass/turf ## Aircraft 2 - Registration: [N46RB](https://openairdocs.org/aircraft/N46RB), registered now, S/N 702 (OpenAirDocs) - Reported make and model: BARTON, ROBERT A. SONERAI 2L - Registry model: [Barton Robert A SONERAI 2L](https://openairdocs.org/model/barton-robert-a-sonerai-2l) (registry code 05659AB) (OpenAirDocs) - Registry engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501, reciprocating) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: 702 - Airframe hours: 340 - Engines: VOLKSWAGEN 1700CC 55 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Barton, Robert A. - Registered owner: Barton, Robert A. - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Annual, January 15, 1992, 82 hours before - Airport: 3GA7, Peach State Airport, runway 31, 3,100 × 100 ft, grass/turf ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot, aircraft N6810K; age 46; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 19,500 total, 75 in this make and model, 17,000 as pilot in command, 210 in the last 90 days, 90 in the last 30 days, 2 in the last 24 hours - Pilot, aircraft N46RB; age 61; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 581 total, 340 in this make and model, 530 as pilot in command, 50 in the last 90 days, 14 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 8 statute miles - Lowest ceiling: none - Temperature: 84 °F, dew point 63 °F - Altimeter: 29.00 inHg - Observed at: ATL, 26 nm away ## FAA reports on this event (2) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19920606018362A](https://openairdocs.org/incident/19920606018362A), Jun 6, 1992: Piper PA16, Williamson, GA, Substantial damage. While back taxiing for takeoff on sod strip was struck head on by N46RB that had strayed off centerline on takeoff. - [Accident 19920606018361A](https://openairdocs.org/incident/19920606018361A), Jun 6, 1992: Amtrmo SONERAI2, Williamson, GA, Substantial damage. Veered off center of sode strip on takeoff roll and struck N6810K that was back taxiing on runway edge for takeoff. From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.