# NTSB MIA01LA036: Air Tractor AT-602, N9046D, Clarksville, FL, December 6, 2000 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: December 6, 2000, 06:30 local (11:30 UTC) - Place: Clarksville, FL - Coordinates: 30.429847, -85.179313 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=30.4298&lon=-85.1793&mi=10 - Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report April 19, 2001 - Report: Approved by Office Director - NTSB case key (mKey): 50734 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA01LA036 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/50734/pdf - Page: https://openairdocs.org/ntsb/MIA01LA036 ## Probable cause The pilot's delay in aborting a takeoff after hitting a soft spot (sand) in the runway resulting in the airplane going off the end of the runway and colliding with trees. Contributing to the accident was the pilots decision to attempt the flight in an over weight condition. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Overrun, takeoff - aborted - aircraft weight and balance - not performed, pilot in command (contributing factor) - aborted takeoff - delayed, pilot in command (cause) - On ground/water collision with object, takeoff - aborted - object - tree(s) ## Analysis The pilot stated he attempted a takeoff in a slightly overweight condition. The airplane hit a soft spot (sand) in the runway and the airspeed decreased. He aborted the takeoff; the airplane went off the end of the runway and collided with trees. ## Factual narrative On December 6, 2000, at about 0630 eastern standard time, an Air Tractor AT-602, N9046D, registered to AG Pilots Inc., operated by Thrash Aviation as a 14 CFR Part 137 aerial application flight crashed on takeoff from a private strip in the vicinity of Clarksville, Florida. Visual meteorological conditions prevailed and no flight plan was filed. The airplane sustained substantial damage. The pilot reported no injuries. The flight was originating at the time of the accident. The pilot stated the aircraft was slightly over weight and attempted a takeoff from a 1,500-foot strip. During the takeoff roll the airplane hit some soft dirt/sand and slowed down. He aborted the takeoff, went off the end of the runway and collided with trees. ## Aircraft - Registration: [N9046D](https://openairdocs.org/deregistered/N9046D-2014-12-03), registration cancelled 2014-12-03, S/N 602-0562, built 1999 (OpenAirDocs) - Reported make and model: Air Tractor AT-602 - Registry model: [Air Tractor AT-602](https://openairdocs.org/model/air-tractor-at-602) (registry code 0390309) (OpenAirDocs) - Registry engine: [Pratt & Whitney Canada PT6A-60AG](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60ag) (registry code 52101, turbo-prop) (OpenAirDocs) - Category: Airplane - Serial number: 602-0562 - Airframe hours: 1104 - Engines: P&W -60 1050 horsepower turbo prop - Damage: Substantial damage - Flight: Aerial application, Part 137 - Operator: Thrash Aviation - Registered owner: Ag Pilots Inc - Airworthiness certificate: Special, Restricted (Special) - Last inspection: Annual, September 14, 2000, 212 hours before - Departed: NA - Airport: Private ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 48; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 15,000 total, 4,000 in this make and model, 300 in the last 90 days, 100 in the last 30 days, 8 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 32 °F - Altimeter: 30.00 inHg - Observed at: PFN ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 20001206024809A](https://openairdocs.org/incident/20001206024809A), Dec 6, 2000: Airtrc AT602, Clarkesville, FL, Substantial damage. (-23) On December 6, 2000, a airtractor AT-602, N9046D operated by thrash aviation crashed after an aborted takeoff on a Private airstrip in clarksville FL.… ## Other investigations on N9046D (1) 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. - [NTSB ERA10LA385](https://openairdocs.org/ntsb/ERA10LA385), Jul 29, 2010: Air Tractor AT-602 (N9046D), Canton, MS, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall and spin. 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.