# NTSB investigations: Pratt & Whitney PT6A series, 1999 NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB MIA00WA062](https://openairdocs.org/ntsb/MIA00WA062.md): Beech 99A · St. Barthelemy, WN · Accident · No injuries · Foreign investigation · Dec 31, 1999 · N491BB · Substantial damage - [NTSB ATL00LA018](https://openairdocs.org/ntsb/ATL00LA018.md): Cessna 208B · Adjuntas, PR · Accident · Serious injuries · Limited investigation · Final report · Dec 23, 1999 · N1315A · Destroyed > The pilot continued flight into adverse weather conditions that included low ceiling and turbulence. Factors to the accident were trees. - [NTSB ANC00LA017](https://openairdocs.org/ntsb/ANC00LA017.md): Cessna 208B · Bethel, AK · Accident · No injuries · Limited investigation · Final report · Dec 6, 1999 · N5187B · Substantial damage > The pilot's inadequate preflight and his failure to remove snow and airframe ice from the airplane. - [NTSB MIA00WA033](https://openairdocs.org/ntsb/MIA00WA033.md): Beech C90B · Charallave, Venezuela · Accident · Minor injuries · Foreign investigation · Nov 29, 1999 · N568SA · Substantial damage - [NTSB NYC00WA014](https://openairdocs.org/ntsb/NYC00WA014.md): Cessna 208B · Lake Erie, Canada · Accident · No injuries · Foreign investigation · Oct 14, 1999 · N1117G · Substantial damage - [NTSB NYC00FA006](https://openairdocs.org/ntsb/NYC00FA006.md): Raytheon Corporate Jets BE-200 · Williamstown, MA · Accident · 2 fatal · Field investigation · Final report · Oct 5, 1999 · N208MS · Destroyed > The pilot-in-command's failure comply with an air traffic control clearance which resulted in a collision with terrain. A factor in this accident was clouds. - [NTSB MIA99LA257](https://openairdocs.org/ntsb/MIA99LA257.md): Air Tractor AT-502B · Anguilla, MS · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 1999 · N5092G · Substantial damage > The P3 air line disconnected at the P3 air filter housing, and a 'B' nut not being safetied by maintenance personnel, which resulted in a total loss of engine power. - [NTSB FTW99LA249](https://openairdocs.org/ntsb/FTW99LA249.md): Air Tractor AT-502B · Seminole, TX · Accident · No injuries · Limited investigation · Final report · Sep 6, 1999 · N5005G · Substantial damage > The pilot's failure to maintain obstacle clearance. - [NTSB MIA99FA245](https://openairdocs.org/ntsb/MIA99FA245.md): Beech B-90 · West Palm Beach, FL · Accident · 8 fatal · Field investigation · Final report · Sep 3, 1999 · N338AS · Destroyed > a total loss of engine power due to fuel exhaustion. Contributing factors in this accident were the pilot's operation of the airplane in an overweight condition, inadequate pre-flight and in-flight planning. - [NTSB LAX99TA274](https://openairdocs.org/ntsb/LAX99TA274.md): Air Tractor AT-802A · Elko, NV · Accident · No injuries · Final report · Aug 19, 1999 · N9190G · Substantial damage > The pilot's failure to maintain an adequate terrain/obstacle clearance altitude margin while engaged in fire fighting operations. - [NTSB MIA99LA229](https://openairdocs.org/ntsb/MIA99LA229.md): Air Tractor AT-402 · Holly Bluff, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 18, 1999 · N1510Z · Substantial damage > The pilot's failure to maintain visual separation between his airplane and a tree while maneuvering during aerial application and the subsequent collision with the tree and the terrain. A factor in the accident was the sunglare on the airplane's windscreen. - [NTSB FTW99LA226](https://openairdocs.org/ntsb/FTW99LA226.md): Air Tractor AT-402 · Snyder, TX · Accident · No injuries · Limited investigation · Final report · Aug 17, 1999 · N4523L · Substantial damage > The loss of engine power due to fuel starvation as result of a leak in the engine fuel control. A factor was the lack of suitable terrain for the forced landing. - [NTSB DEN99LA149](https://openairdocs.org/ntsb/DEN99LA149.md): Air Tractor AT-402A · Mead, CO · Accident · No injuries · Limited investigation · Final report · Aug 11, 1999 · N402RE · Substantial damage > The pilot's failure to follow proper approach to landing procedures as outlined in the Airplane Flight Manual. A factor was the 6-foot tall corn stalks. - [NTSB ANC99LA107](https://openairdocs.org/ntsb/ANC99LA107.md): de Havilland DHC-6-300 · Ketchikan, AK · Accident · No injuries · Limited investigation · Final report · Aug 7, 1999 · N288SA · 2 aircraft · Substantial damage > A failure of ground handling personnel to verify a release procedure/directive, and removal of the airplane's tiedown, and subsequent collision with a parked airplane. - [NTSB FTW99LA196](https://openairdocs.org/ntsb/FTW99LA196.md): Air Tractor AT-502B · Marvel, AR · Accident · No injuries · Limited investigation · Final report · Jul 21, 1999 · N6073U · Substantial damage > The pilot's failure to attain the proper takeoff airspeed. - [NTSB ANC99LA066](https://openairdocs.org/ntsb/ANC99LA066.md): de Havilland DHC 2 MK III · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · May 29, 1999 · N30CC · Substantial damage > The certificated flight instructor's inadequate supervision of the duel student. Factors associated with the accident were the student's inadvertent stall, and a surging turboshaft engine. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE year(c."eventDate") = 1999 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52032&year=1999 --- 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.