# NTSB investigations: Pratt & Whitney R1340 series, 2015 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 GAA15CA266](https://openairdocs.org/ntsb/GAA15CA266.md): Schweizer G 164B · Paxton, NE · Accident · Minor injuries · Data collection · Final report · Sep 16, 2015 · N3628Z · Substantial damage > The pilot's failure to maintain adequate distance from a power line during low altitude flight operations, which resulted in an impact with the power line, and subsequent impact with the ground. - [NTSB ANC15FA071](https://openairdocs.org/ntsb/ANC15FA071.md): Dehavilland DHC 3T · Iliamna, AK · Accident · 3 fatal · Field investigation · Final report · Sep 15, 2015 · N928RK · Substantial damage > The pilot's decision to depart in dark night, visual meteorological conditions over water, which resulted in his subsequent spatial disorientation and loss of airplane control. Contributing to the accident was the pilot's failure to determine the airplane's… - [NTSB CEN15LA345](https://openairdocs.org/ntsb/CEN15LA345.md): Air Tractor AT 401 · Nekoosa, WI · Accident · No injuries · Limited investigation · Final report · Aug 5, 2015 · N1539U · Substantial damage > The pilot’s inadequate preflight planning, which resulted in his attempt to take off for the agricultural application flight with the airplane over its maximum gross weight in high-density altitude conditions and led to the airplane’s degraded climb… - [NTSB ANC15MA041](https://openairdocs.org/ntsb/ANC15MA041.md): Dehavilland DHC-3 · Ketchikan, AK · Accident · 9 fatal · Class 1 · Major · Final report · Jun 25, 2015 · N270PA · Substantial damage > (1) the pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in his geographic disorientation and controlled flight into terrain; and (2) Promech's company culture, which tacitly endorsed flying in… - [NTSB WPR15LA194](https://openairdocs.org/ntsb/WPR15LA194.md): Grumman Acft ENG Cor-Schweizer G 164A · Five Points, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 21, 2015 · N8598H · Substantial damage > Maintenance personnel’s improper reassembly of the engine during overhaul, which led to the failure of the supercharger-blower due to a lack of lubrication and the subsequent total loss of engine power during takeoff. - [NTSB WPR15LA186](https://openairdocs.org/ntsb/WPR15LA186.md): Rockwell International S 2R · Washtucna, WA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 2015 · N8420V · Substantial damage > The pilot's failure to maintain directional control while landing with a quartering tailwind. - [NTSB GAA15CA117](https://openairdocs.org/ntsb/GAA15CA117.md): Air Tractor AT 401 · Wall, SD · Accident · No injuries · Data collection · Final report · Jun 9, 2015 · N4549E · Substantial damage > The pilot's failure to adjust the airplane's useful load to compensate for the high temperature, which resulted in an insufficient climb rate to clear surrounding terrain, and a runway excursion. - [NTSB GAA15CA113](https://openairdocs.org/ntsb/GAA15CA113.md): Grumman Acft ENG Cor-Schweizer G 164A · Bakersfield, CA · Accident · No injuries · Data collection · Final report · Jun 9, 2015 · N8372 · Substantial damage > The pilot's failure to maintain directional control during the landing roll, resulting in a runway excursion, and a collision with terrain. - [NTSB ANC15LA037](https://openairdocs.org/ntsb/ANC15LA037.md): Dehavilland DHC-3T · Skwentna, AK · Accident · No injuries · Limited investigation · Final report · Jun 4, 2015 · N3125N · Substantial damage > The flutter failure of the right elevator servo tab due to the improper fabrication of the servo tab and maintenance personnel’s subsequent failure to detect anomalies with the servo tab. - [NTSB CEN15LA259](https://openairdocs.org/ntsb/CEN15LA259.md): Gulfstream-Schweizer A/C Gulfstream AM G 164B · Delaplaine, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 3, 2015 · N8402K · Substantial damage > The pilot’s failure to establish a proper airspeed and angle-of attack during takeoff in elevated density altitude and light tailwind conditions, which resulted in an aerodynamic stall. - [NTSB WPR15LA160](https://openairdocs.org/ntsb/WPR15LA160.md): Grumman Acft ENG Cor-Schweizer G 164A · Maxwell, CA · Accident · No injuries · Limited investigation · Final report · May 13, 2015 · N8875H · Substantial damage > The pilot’s improper preflight inspection and fuel planning, which resulted in a total loss of engine power due to fuel exhaustion. - [NTSB CEN15LA175](https://openairdocs.org/ntsb/CEN15LA175.md): Grumman Acft ENG Cor-Schweizer G 164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2015 · N9755 · Substantial damage > The loss of engine power due to three stuck exhaust valves. - [NTSB WPR15LA106](https://openairdocs.org/ntsb/WPR15LA106.md): Grumman Acft ENG Cor-Schweizer G 164A · Alfalfa, OR · Accident · No injuries · Limited investigation · Final report · Feb 18, 2015 · N4863 · Substantial damage > A total loss of engine power after takeoff for reasons that could not be determined, because examination of the engine did not reveal any mechanical anomalies that would have precluded normal operation. ## 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") = 2015 AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?engine=52016&year=2015 --- 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.