# NTSB investigations: Pratt & Whitney Canada PT6A-60A 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. Page 5 of 6 · 259 cases ## Cases, newest first - [NTSB ANC89IA059](https://openairdocs.org/ntsb/ANC89IA059.md): De Havilland DHC-6-100 · Barrow, AK · Incident · No injuries · Incident investigation · Final report · Apr 14, 1989 · N100AP · No damage > The propagation of a fatigue crack from multiple origins due to manufacturing defects in the elevator bellcrank mounting quadrant. - [NTSB MIA89FA124](https://openairdocs.org/ntsb/MIA89FA124.md): Beech C-45H · Tampa, FL · Accident · Serious injuries · Field investigation · Final report · Apr 8, 1989 · N711BF · Substantial damage > Fuel contamination of the left engine fuel system which resulting in a failure of the left engine. - [NTSB DEN89LA058](https://openairdocs.org/ntsb/DEN89LA058.md): Piper PA-31T · Craig, CO · Accident · No injuries · Limited investigation · Final report · Jan 6, 1989 · N82290 · Substantial damage > Unsuitable terrain (runway condition) selected by the pilot. Factors related to the accident were: the adverse weather conditions, inadequate removal of snow from the runway by airport personnel, uneven snow covered runway, lack of visual perception by the… - [NTSB LAX88DVA14](https://openairdocs.org/ntsb/LAX88DVA14.md): Ayres S2R-T34 · Five Points, CA · Accident · Minor injuries · Final report · Sep 2, 1988 · N4009M · Substantial damage > Plt was engaged in aerial application and had been overflying power lines. On last pass, plt elected to fly beneath power lines, struck bracing wire between poles with vertical fin, disabling elevator. The acft crashed nose down in a field in an uncontrolled… - [NTSB LAX88DVA10](https://openairdocs.org/ntsb/LAX88DVA10.md): Ayres S2R-T34 · Huron, CA · Accident · No injuries · Final report · Aug 14, 1988 · N40071 · Substantial damage > During an aerial application flight at night, the airplane's vertical stabilizer collided with a transmission wire. Subsequently, the vertical stabilizer & rudder were dislocated & directional control was lost. Realizing he had lost directional control, the… - [NTSB BFO88FA067](https://openairdocs.org/ntsb/BFO88FA067.md): de Havilland DHC-6-200 · Chantilly, VA · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1988 · N7267 · Destroyed > The pilot inadvertently misused the flaps, by failing to set the flaps to the proper setting. The flaps were set full down. This caused the aircraft to pitch up steeply after liftoff. Additionally, the flight control lock was probably installed during some… - [NTSB CHI88LA166](https://openairdocs.org/ntsb/CHI88LA166.md): Gulfstream Aerospace G-21-G · Elyria, OH · Accident · No injuries · Limited investigation · Final report · Jul 13, 1988 · N77AQ · Substantial damage - [NTSB FTW88IA090](https://openairdocs.org/ntsb/FTW88IA090.md): Embraer EMB-110P1 · Wichita Falls, TX · Incident · No injuries · Incident investigation · Final report · Apr 13, 1988 · N905FB · Minor damage > The right engine upper cowling separated during initial climb, went rearward, and shattered a window at the right rearmost passenger seat which was not occupied. The pilot secured the engine and made an uneventful landing. The cowling separated due to… - [NTSB CHI88IA074](https://openairdocs.org/ntsb/CHI88IA074.md): Swearingen SA226T · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Mar 7, 1988 · N600TA · 2 aircraft · No damage > The TRACON supervisor failed to comply with the established visual minima criteria and his incorrect issuance of a visual approach to an arriving aircraft. - [NTSB MIA88IA068](https://openairdocs.org/ntsb/MIA88IA068.md): Beech 99 · Tampa, FL · Incident · No injuries · Incident investigation · Final report · Dec 21, 1987 · N6724D · Minor damage > The commuter air carrier crew received an unsafe nose gear indication on final approach. The approach was abandoned and all efforts to use the emergency extension procedures were to no avail. The crew secured both engines on final and landed nose gear up.… - [NTSB CHI88MA026](https://openairdocs.org/ntsb/CHI88MA026.md): Beech 200 · Jefferson, WI · Accident · 8 fatal · Major investigation · Final report · Nov 16, 1987 · N334DP · Destroyed > While cruising abv frzg lvl at 12,000', the flt was clrd to dscnd & maint 9000'. Abt 1-1/2 min ltr, the flt declared a mayday (emergency). Radio & radar ctc were lost & the acft crashed in a nr vertical dscnt. Radar data showed that after starting a dscnt,… - [NTSB MIA88IA028](https://openairdocs.org/ntsb/MIA88IA028.md): Beech 99 · Gulfport, MS · Incident · No injuries · Incident investigation · Final report · Nov 6, 1987 · N6724D · Minor damage > While on a part 135 scheduled domestic passenger flt during final apch, the nose landing gear failed to fully extend. The plt recycled the gear, but the gear failed to fully extend. He then attempted to lower the gear using the emergency method, again, with… - [NTSB NYC87LA117](https://openairdocs.org/ntsb/NYC87LA117.md): Beech 1900 · Boston, MA · Accident · Serious injuries · Limited investigation · Final report · Apr 7, 1987 · N811BE · Substantial damage > During taxi operations in preparation for a takeoff from Boston logan airport, the Beech aircraft was struck by a ground vehicle and substantially damaged. - [NTSB NYC87LA113](https://openairdocs.org/ntsb/NYC87LA113.md): Piper PA-31T · Lawrence, MA · Accident · Minor injuries · Limited investigation · Final report · Mar 21, 1987 · N200FD · Destroyed > The crew of the PA-31T cheyenne had made one missed approach and the co-pilot was calling out the altitudes to the pilot. The pilot's reply to the co-pilot was that he was just going to descend to 400 ft. the approach minimums were published for an mda of 660… - [NTSB NYC87FA085](https://openairdocs.org/ntsb/NYC87FA085.md): Beech 99 · Oneonta, NY · Accident · No injuries · Field investigation · Final report · Feb 11, 1987 · N699CA · Substantial damage > The flight was uneventful until its arrival at Oneonta municipal airport. The aircraft landed 10 feet short of runway 24IN one foot of snow. The left main landing gear collapsed, the propeller struck the runway and the aircraft veered off the left side of the… - [NTSB DEN87IA031](https://openairdocs.org/ntsb/DEN87IA031.md): Beech C-99 · Albuquerque, NM · Incident · No injuries · Incident investigation · Final report · Dec 18, 1986 · N7212P · Minor damage > Mesa airline flt 114 was on a scheduled flt from Albuquerque to clovis, NM. Upon touchdown at clovis, the left landing gear began to collapse and a go-around was successful. The crew elected to return to Albuquerque where emerg equipment could stand by. After… - [NTSB NYC87LA018](https://openairdocs.org/ntsb/NYC87LA018.md): Beech E-90 · Beverly, MA · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1986 · N195B · Substantial damage > The Beech king air E-90 was observed to break out of the clouds in a steep descent, land long and run off the departure end of the 4637 ft runway. The aircraft received substantial damage and the crew of 2 and 6 passengers received minor injuries. The… - [NTSB ATL86FEK04](https://openairdocs.org/ntsb/ATL86FEK04.md): Ayres S2R-T15 · Mandale, OH · Accident · No injuries · Final report · Jul 16, 1986 · N4015P · Substantial damage > The acft stalled in turbulent air during a 180 turn while crop spraying at about 150 ft AGL. The plt said he increased power & dropped the acft nose while turning an additional 20 degrees to avoid trees. The recovery of positive control was in process when… - [NTSB DEN86FA137](https://openairdocs.org/ntsb/DEN86FA137.md): Beech BE-99C · Laramie, WY · Accident · No injuries · Field investigation · Final report · May 16, 1986 · N6728J · Substantial damage > This part 135 IFR flt was inbound for landing at Laramie, Wyoming. During the en route and approach for ldg portions of the flt the acft picked up a moderate to heavy load of ice. During the landing flare the acft stalled, hit the rwy, bounced, veered off the… - [NTSB MIA86FA113](https://openairdocs.org/ntsb/MIA86FA113.md): Beech 65-90 · Fort Pierce, FL · Accident · Serious injuries · Field investigation · Final report · Apr 6, 1986 · N58KA · Substantial damage > Flt experienced loss of power in both engines due to fuel starvation. The pilots failed to operate fuel transfer switches to transfer fuel from the wing tanks into the nacelle tanks which feed the engines. The pilot in command had 16 total hours in the king… - [NTSB ANC86LA025](https://openairdocs.org/ntsb/ANC86LA025.md): de Havilland DHC-6 · Mekoryuk, AK · Accident · No injuries · Limited investigation · Final report · Feb 7, 1986 · N204EH · Substantial damage > The PIC stated that he was landing to the southwest because the fog was obscuring the apch path to rwy 05. After aligning with rwy 23, the acft drifted off course. The plt was attempting to realign the acft with the rwy when he touched down in a bank and… - [NTSB DEN86MA061](https://openairdocs.org/ntsb/DEN86MA061.md): Cessna 425 · Granby, CO · Accident · 5 fatal · Major investigation · Final report · Jan 11, 1986 · N425SC · Destroyed > Drg arrival, the plt advised ARTCC that the destination arpt appeared to be covered with fog. She then canceled her IFR flt plan. According to ground witnesses, the acft made several passes over the arpt. Witnesses also rprtd that the horizontal visibility… - [NTSB ATL85MA286](https://openairdocs.org/ntsb/ATL85MA286.md): Cessna 208 · Jenkinsburg, GA · Accident · 17 fatal · Major investigation · Final report · Sep 29, 1985 · N551CC · Destroyed > As the plt & 16 jumpers deptd on a skydiving flt, the eng lost pwr at aprx 300' AGL. The acft then banked steeply left, spiraled in a steep nose dwn attitude & crashed. An exam revealed fuel in the tanks was contaminated with wtr & foreign material with the… - [NTSB NYC85FA141](https://openairdocs.org/ntsb/NYC85FA141.md): Beech BE-200 · Hamptonburgh, NY · Accident · 2 fatal · Field investigation · Final report · Jun 9, 1985 · N148CP · Destroyed > Plt filed IFR for 2 flight legs; baltimore, MD to teterboro, NJ & teterboro to montgomert, NY (orange co arpt). The plt received a preflight wx briefing & was advised that the forecast for stewart, NY, about 10 mis form montgomery was sky partially obscured… - [NTSB CHI85LA151](https://openairdocs.org/ntsb/CHI85LA151.md): de Havilland DHC-6-200 · Grand Rapids, MI · Accident · No injuries · Limited investigation · Final report · Apr 3, 1985 · N3434 · Substantial damage > The 14 CFR 135 pilot with light load of cargo was taking offof 10000 x 150 ft runway pilot said rt engine lost power he reduced power to ld was 50 ft AGL and bounced on second touchdown acft dept runway at 45 angle nose gear broke off in sod wind was 30 off… - [NTSB NYC85FA064](https://openairdocs.org/ntsb/NYC85FA064.md): Beech G90 · St. Mary'S, PA · Accident · 2 fatal · Field investigation · Final report · Feb 14, 1985 · N2019U · Destroyed > The acft crashed during a log DME approach. According to ATC the acft crashed after making a procedure turn at the faf. The winds in the area were being called 250 degrees at 10 KTS gusting to 28 knts. A caution on the apch plate has a remark,-'precipitious… - [NTSB FTW85LA101](https://openairdocs.org/ntsb/FTW85LA101.md): Swearingen SA26-T · Dallas, TX · Accident · No injuries · Limited investigation · Final report · Jan 25, 1985 · N600P · Substantial damage > The landing gear retracted during the takeoff roll & the acft dropped to the rwy surface & slid to a stop. No obvious reason for the unwanted retraction was noted by FAA maintenance personnel who did a post accident exam of the acft. The gear selector handle… - [NTSB ANC84MA037](https://openairdocs.org/ntsb/ANC84MA037.md): Embraer EM-110P1 · Cordova, AK · Accident · No injuries · Major investigation · Final report · Feb 22, 1984 · N103VA · Substantial damage > During a landing at night, the acft touched down slightly left of the rwy centerline, which was not visible, & began veering to the left. The plt reported that the acft did not respond to rudder inputs, rudder tiller inputs or differential reverse thrust. It… - [NTSB NYC84LA015](https://openairdocs.org/ntsb/NYC84LA015.md): Short Brothers SD3-30 · Middletown, PA · Accident · 1 fatal · Limited investigation · Final report · Oct 28, 1983 · N26288 · No damage > After takeoff on a flt to Washington, DC, the aircraft was climbing thru about 3500 ft when a person (riding as a passenger) moved to the right rear door, opened it & departed the acft. Prior to the flt, an associate, who was an acft refueler, saw the person… - [NTSB NYC84IA002](https://openairdocs.org/ntsb/NYC84IA002.md): Beech C99 · Burlington, VT · Incident · No injuries · Incident investigation · Final report · Oct 6, 1983 · N96AV · Minor damage > The plt stated that after a smooth touchdown on the main gear, a loud bang was heard, accompanied with a gear unsafe horn. A go-around was made, & after completing emerg gear extension procedure the acft returned for landing. During landing the left gear… - [NTSB FTW83LA158](https://openairdocs.org/ntsb/FTW83LA158.md): Piper PA-31T1 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Mar 16, 1983 · N879SW · Substantial damage > Witnesses reported that the landing gear was lowered at the outer marker on an ILS approach. The pilot stated that he extended full flaps at about 400 feet AGL just as they broke out of the clouds. Almost immediately after landing the pilot retracted the… - [NTSB LAX81DVA63](https://openairdocs.org/ntsb/LAX81DVA63.md): Ayres S2R · Huron, CA · Accident · No injuries · Closed · Sep 17, 1981 · N40110 · Substantial damage - [NTSB NYC81IA061](https://openairdocs.org/ntsb/NYC81IA061.md): Short Bros SD3-30 · Wilkes Barre, PA · Incident · Minor injuries · Closed · Jun 22, 1981 · N304CA · Minor damage - [NTSB CHI81FA011](https://openairdocs.org/ntsb/CHI81FA011.md): Beech E90 · Michigan City, IN · Accident · 4 fatal · Closed · Dec 7, 1980 · N2181L · Destroyed - [NTSB FTW80DA120](https://openairdocs.org/ntsb/FTW80DA120.md): Dehavilland DHC-6 · Wichita Falls, TX · Accident · No injuries · Closed · Sep 21, 1980 · N46RA · Substantial damage - [NTSB NYC80FA026](https://openairdocs.org/ntsb/NYC80FA026.md): Beech 90 · Flushing, NY · Accident · 2 fatal · Closed · Mar 10, 1980 · N4GN · Destroyed - [NTSB MIA79FKG58](https://openairdocs.org/ntsb/MIA79FKG58.md): Ayres S2R · Leesburg, GA · Accident · Serious injuries · Closed · Aug 4, 1979 · N4004U · Destroyed - [NTSB DCA79AA019](https://openairdocs.org/ntsb/DCA79AA019.md): Dehavilland DHC-6 · Hyannis, MA · Accident · 1 fatal · Closed · Jun 17, 1979 · N383EX · Destroyed - [NTSB DCA79AA018](https://openairdocs.org/ntsb/DCA79AA018.md): Dehavilland DHC-6 · Rockland, ME · Accident · 17 fatal · Closed · May 30, 1979 · N68DE · Destroyed - [NTSB CHI79FA048](https://openairdocs.org/ntsb/CHI79FA048.md): Piper PA-31T · Elyria, OH · Accident · 2 fatal · Closed · Apr 27, 1979 · N82282 · Destroyed - [NTSB CHI79FEV10](https://openairdocs.org/ntsb/CHI79FEV10.md): Beech E18-S · Springfield, IL · Accident · No injuries · Closed · Jan 27, 1979 · N521GP · Substantial damage - [NTSB IAD79FA017](https://openairdocs.org/ntsb/IAD79FA017.md): Swearingen SA26-T · Memphis, TN · Accident · 1 fatal · Closed · Nov 22, 1978 · N2301N · Destroyed - [NTSB ANC79FA004](https://openairdocs.org/ntsb/ANC79FA004.md): Dehavnd Can DHC-6 · Barrow, AK · Accident · 1 fatal · Closed · Oct 13, 1978 · N4048B · Substantial damage - [NTSB DEN78FA046](https://openairdocs.org/ntsb/DEN78FA046.md): Piper PA-31T · Lamar, CO · Accident · 4 fatal · Closed · Jun 5, 1978 · N176CC · Destroyed - [NTSB DCA78AA007](https://openairdocs.org/ntsb/DCA78AA007.md): Beech 99 · Richland, WA · Accident · 17 fatal · Closed · Feb 10, 1978 · N199EA · Destroyed - [NTSB MKC78FCD09](https://openairdocs.org/ntsb/MKC78FCD09.md): Piper PA-31T · Des Moines, IA · Accident · Minor injuries · Closed · Oct 26, 1977 · N35RT · Substantial damage - [NTSB IAD77FIG36](https://openairdocs.org/ntsb/IAD77FIG36.md): Beech 200 · Gaithersburg, MD · Accident · No injuries · Closed · Sep 26, 1977 · N725MC · Substantial damage - [NTSB ANC76DAA61](https://openairdocs.org/ntsb/ANC76DAA61.md): Pilatus PC6BH2 · Wainwright, AK · Accident · Minor injuries · Closed · Aug 29, 1976 · N346F · Substantial damage - [NTSB MKC75AK052](https://openairdocs.org/ntsb/MKC75AK052.md): Beech C90 · Grand Rapids, MN · Accident · 1 fatal · Closed · Apr 18, 1975 · N4146S · Destroyed - [NTSB CHI75AC053](https://openairdocs.org/ntsb/CHI75AC053.md): Westwind TC-45J · Evansville, IN · Accident · No injuries · Closed · Jan 14, 1975 · N8794 · Substantial damage Next page: https://openairdocs.org/ntsb.md?engine=52043&page=6 ## 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 ('52043', '51999')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52043&page=5 --- 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.