# NTSB investigations: U/A Canada PT6A-27-28 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 CEN25LA176](https://openairdocs.org/ntsb/CEN25LA176.md): Beech C90 · Lancaster, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 28, 2025 · N501MS · Substantial damage > The pilot’s improper fuel planning, which resulted in fuel exhaustion and a total loss of power to both engines. - [NTSB CEN23LA028](https://openairdocs.org/ntsb/CEN23LA028.md): Beech E-90 · Slidell, LA · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 7, 2022 · N809DM · Destroyed > The pilot’s failure to maintain airplane control during an attempted go-around in low visibility conditions. - [NTSB ERA23FA024](https://openairdocs.org/ntsb/ERA23FA024.md): Beech E-90 · Marietta, OH · Accident · 2 fatal · Class 3 · Field · Final report · Oct 18, 2022 · N515GK · Substantial damage > Structural icing on the tailplane that resulted in a tailplane stall and subsequent loss of control. - [NTSB CEN20MA044](https://openairdocs.org/ntsb/CEN20MA044.md): Piper PA 31T · Lafayette, LA · Accident · 5 fatal · Class 2 · Major · Final report · Dec 28, 2019 · N42CV · Destroyed > The pilot’s loss of airplane control due to spatial disorientation during the initial climb in instrument meteorological conditions. - [NTSB CEN17WA049](https://openairdocs.org/ntsb/CEN17WA049.md): Beech E 90 · Toledo, Spain · Accident · 4 fatal · Foreign investigation · Dec 4, 2016 · N79CT · Destroyed - [NTSB ERA15LA333](https://openairdocs.org/ntsb/ERA15LA333.md): Beech E 90 · Fayetteville, TN · Accident · No injuries · Limited investigation · Final report · Aug 28, 2015 · N891PC · Substantial damage > A total loss of electrical power for reasons that could not be determined and the pilot's subsequent failure to properly follow the manual landing gear extension procedures, which resulted in the landing gear not extending. - [NTSB CEN13FA105](https://openairdocs.org/ntsb/CEN13FA105.md): Beech E-90 · Amarillo, TX · Accident · 2 fatal · Field investigation · Final report · Dec 15, 2012 · N67PS · Substantial damage > The pilot’s loss of control of the airplane after encountering icing conditions and heavy to extreme turbulence and the subsequent exceedance of the airplane’s design limit, which led to an in-flight breakup. - [NTSB CEN12FA421](https://openairdocs.org/ntsb/CEN12FA421.md): Beech E90 · Karnack, TX · Accident · 1 fatal · Field investigation · Final report · Jul 7, 2012 · N987GM · Destroyed > The pilot's inadvertent flight into thunderstorm activity, which resulted in the loss of airplane control and the subsequent exceedance of the airplane's design limits and in-flight breakup. Contributing to the accident was the failure of air traffic control… - [NTSB CEN11LA192](https://openairdocs.org/ntsb/CEN11LA192.md): Beech E-90 · Des Moines, IA · Accident · No injuries · Limited investigation · Final report · Feb 15, 2011 · N51DN · Substantial damage > The improper installation of the right aileron by maintenance personnel. - [NTSB LAX08FA026](https://openairdocs.org/ntsb/LAX08FA026.md): Beech A100 · Chino, CA · Accident · 2 fatal · Field investigation · Final report · Nov 6, 2007 · N30GC · Destroyed > The pilot's failure to maintain a positive climb rate during an instrument takeoff. Contributing to the accident was the low visibility. - [NTSB LAX07FA200](https://openairdocs.org/ntsb/LAX07FA200.md): Beech E90 · Carlsbad, CA · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2007 · N47LC · Destroyed > The pilot's failure to maintain clearance from wires during an instrument takeoff attempt. Contributing to the accident were fog, reduced visibility, and the low ceiling. - [NTSB CHI07LA050](https://openairdocs.org/ntsb/CHI07LA050.md): Beech B-99 · Rapid City, SD · Accident · Minor injuries · Limited investigation · Final report · Dec 29, 2006 · N99TH · Substantial damage > The pilot's failure to follow the published instrument approach procedure which contributed to his failure to maintain altitude and clearance from terrain during the instrument approach. A factor was the night light condition. - [NTSB DEN03LA053](https://openairdocs.org/ntsb/DEN03LA053.md): Beech E-90 · Kremmling, CO · Accident · Minor injuries · Limited investigation · Final report · Mar 20, 2003 · N711TZ · Substantial damage > the pilot's improper in-flight planning and his failure to maintain safe clearance from the high terrain. Factors contributing to the accident were the high terrain and the dark night. - [NTSB CHI02FA199](https://openairdocs.org/ntsb/CHI02FA199.md): Beech E-90 · Bloomington, IL · Accident · 2 fatal · Field investigation · Final report · Jul 21, 2002 · N12KA · Destroyed > The cause of the accident is undetermined. - [NTSB FTW02LA172](https://openairdocs.org/ntsb/FTW02LA172.md): Beech BE-100-A100 · Little Rock, AR · Accident · No injuries · Limited investigation · Final report · Jun 5, 2002 · N799DD · Substantial damage > The malfunction of the left main landing gear retraction/extension assembly due to a missing lock pin/washer/nut on the clevis of the push/pull gear extension tube that resulted from improper maintenance. - [NTSB SEA00LA183](https://openairdocs.org/ntsb/SEA00LA183.md): Beech B99 · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Sep 22, 2000 · N99TH · Substantial damage > A loss of directional control due to a brake locked as a result of snow and ice contamination. - [NTSB NYC00FA067](https://openairdocs.org/ntsb/NYC00FA067.md): Beech C-90 · Somerset, KY · Accident · 4 fatal · Field investigation · Final report · Jan 18, 2000 · N74CC · Destroyed > the failure of the pilot to follow his approach clearance, and subsequent descent into unprotected airspace which resulted in a collision with the guy wire. Factors were the failure of the air traffic controller to verify the approach he cleared the pilot to… - [NTSB LAX93IA029](https://openairdocs.org/ntsb/LAX93IA029.md): Piper PA-31T-620 · Medford, OR · Incident · No injuries · Incident investigation · Final report · Nov 5, 1992 · N131AF · No damage > Fatigue failure of the elevator control tube rod end bearing resulting in a loss of elevator control. - [NTSB CHI92LA237](https://openairdocs.org/ntsb/CHI92LA237.md): Beech C90 · Pontiac, MI · Accident · No injuries · Limited investigation · Final report · Aug 6, 1992 · N90RG · Substantial damage > The pilot's not understanding the fuel system, and his subsequent inadvertent discontinuance of fuel to both engines. - [NTSB NYC90FA199](https://openairdocs.org/ntsb/NYC90FA199.md): Piper PA-31T2 · Mattapan, MA · Accident · 3 fatal · Field investigation · Final report · Aug 24, 1990 · N85HB · Destroyed > The pilot's improper in-flight planning/decision, which resulted in his failure to maintain control of the aircraft. Factors related to the accident were: failure of the left fuel control unit, and the adverse weather conditions. - [NTSB DEN89IA071](https://openairdocs.org/ntsb/DEN89IA071.md): Beech E90 · Lander, WY · Incident · No injuries · Incident investigation · Final report · Jan 31, 1989 · N87CH · Minor damage > Deer on the runway. - [NTSB MKC89FA027](https://openairdocs.org/ntsb/MKC89FA027.md): Beech E-90 · Locust Grove, AR · Accident · 6 fatal · Field investigation · Final report · Nov 19, 1988 · N308PS · Destroyed > The pilot's failure to maintain obstacle clearance altitude and exceeding the minimum descent altitude published in the approach procedure. - [NTSB ATL88MA048](https://openairdocs.org/ntsb/ATL88MA048.md): Beech C90 · Beaufort, SC · Accident · 2 fatal · Major investigation · Final report · Nov 30, 1987 · N4463W · Destroyed > At 0938, while clbg thru 9000', the plt was clrd to clb to FL 210. Aprx 10 min later, the ATC ctlr noted the acft's mode c rtrn wasn't being displayed on his scope. He tried to adz the plt, but couldn't establish radio contact. The acftbroke up in flt & the… - [NTSB MIA87LA027](https://openairdocs.org/ntsb/MIA87LA027.md): Beech A100 · Brooksville, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 8, 1986 · N78L · Destroyed > The pilot stated that shortly after departure the cockpit filled with smoke. While returning for landing his visibility was reduced due to the smoke and ground fog. On landing roll the the aircraft ran off the left side of the runway, went through a cow fence… - [NTSB MIA86MA057](https://openairdocs.org/ntsb/MIA86MA057.md): Piper PA-31T · Jacksonville, FL · Accident · 2 fatal · Major investigation · Final report · Jan 10, 1986 · N700CM · Destroyed > While being vectored for an ILS rwy 7 apch, the plt was told to maint 3000' & advised he was flwg a Boeing 727. The min apch alt bfr intercepting the ILS glide slope (g/s) at the final apch fix/outer marker (om) was 1900'. As the acft was apchg the om, the… - [NTSB ANC85FA054](https://openairdocs.org/ntsb/ANC85FA054.md): de Havilland DHC-6-300 · Barter Island, AK · Accident · Serious injuries · Field investigation · Final report · Mar 12, 1985 · N540N · Substantial damage > Acft crashed during missed apch to temporary winter landing strip. Acft hit in steep nose down attitude. Marginal wx conditions prevailed, with icing reported. - [NTSB MIA80IA108](https://openairdocs.org/ntsb/MIA80IA108.md): Beech B99 · Orlando, FL · Incident · No injuries · Closed · Sep 23, 1980 · N99TH · Minor damage - [NTSB FTW72AF037](https://openairdocs.org/ntsb/FTW72AF037.md): Beech A99A · Houston, TX · Accident · No injuries · Closed · Dec 17, 1971 · N1923T · Substantial damage ## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('61504')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=61504 --- 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.