# NTSB investigations: Pratt & Whitney PT6A series, 2016

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 WPR17LA031](https://openairdocs.org/ntsb/WPR17LA031.md): Piper PA 31T · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Dec 5, 2016 · N909PW · Substantial damage
  > Failure of the left windshield due to moisture ingression into the windshield laminate, which deteriorated the strength of the windshield.
- [NTSB CEN17LA027](https://openairdocs.org/ntsb/CEN17LA027.md): Air Tractor AT 502B · Hereford, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 27, 2016 · N8525G · Substantial damage
  > The pilot's failure to maintain clearance from a cotton crop while maneuvering during agricultural application operations, which resulted in a loss of airplane control.
- [NTSB ANC17MA001](https://openairdocs.org/ntsb/ANC17MA001.md): Cessna 208B · Togiak, AK · Accident · 3 fatal · Class 1 · Major · Final report · Oct 2, 2016 · N208SD · Destroyed
  > The flight crew's decision to continue the visual flight rules flight into deteriorating visibility and their failure to perform an immediate escape maneuver after entry into instrument meteorological conditions, which resulted in controlled flight into…
- [NTSB DCA16WA242](https://openairdocs.org/ntsb/DCA16WA242.md): Beech 1900C · Long Key, Bahamas · Incident · No injuries · Foreign investigation · Sep 30, 2016 · N376SA
  > The Bahamas Air Accident Investigation Unit (AAIU) has notified the NTSB of an accident involving a Beech 1900 on September 30, 2016. The NTSB has appointed a U.S. Accredited Representative to assist the AAIU investigation under the provisions of ICAO Annex…
- [NTSB GAA16CA477](https://openairdocs.org/ntsb/GAA16CA477.md): Pacific Aerospace 750XL · Warrenton, VA · Accident · No injuries · Data collection · Final report · Sep 9, 2016 · N750SS · Substantial damage
  > The pilot's failure to set the wing flaps for takeoff, which resulted in an aerodynamic stall, an aborted takeoff, and a runway overrun.
- [NTSB CEN16LA326](https://openairdocs.org/ntsb/CEN16LA326.md): Thrush S2R T660 · Ruthton, MN · Accident · 1 fatal · Limited investigation · Final report · Aug 19, 2016 · N40499 · Destroyed
  > The pilot's failure to see and avoid the tower guy-wire during an agricultural spraying operation.
- [NTSB CEN16LA312](https://openairdocs.org/ntsb/CEN16LA312.md): Air Tractor AT-502B · Hickory Ridge, AR · Accident · 1 fatal · Limited investigation · Final report · Aug 8, 2016 · N634LA · Substantial damage
  > The pilot's failure to maintain clearance from a transmission line while maneuvering at low altitude.
- [NTSB ANC16FA052](https://openairdocs.org/ntsb/ANC16FA052.md): Cessna 210-5 · Wasilla, AK · Accident · Minor injuries · Field investigation · Final report · Aug 5, 2016 · N1839Z · 2 aircraft · Substantial damage
  > The failure of both pilots to see and avoid each other while landing at a non-tower-controlled airport, which resulted in a midair collision. Contributing to the accident was the absence of radio calls from the Cessna during the traffic pattern preceding the…
- [NTSB WPR16FA153](https://openairdocs.org/ntsb/WPR16FA153.md): Piper PA-31T · McKinleyville, CA · Accident · 4 fatal · Field investigation · Final report · Jul 29, 2016 · N661TC · Destroyed
  > An inflight fire in the floor area near the main bus tie circuit breaker panel that resulted from chafing between an electrical wire and a hydraulic line and/or airplane structure.
- [NTSB CEN16LA292](https://openairdocs.org/ntsb/CEN16LA292.md): Air Tractor AT 402 · Sac City, IA · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 2016 · N1016G · Destroyed
  > The pilot's failure to maintain adequate clearance from power lines. Contributing to the accident was the pilot's failure to circle over the field to identify hazards before beginning the aerial application.
- [NTSB WPR16LA150](https://openairdocs.org/ntsb/WPR16LA150.md): Beech 65 A90 · Byron, CA · Accident · No injuries · Limited investigation · Final report · Jul 24, 2016 · N256TA · Substantial damage
  > The pilot’s failure to maintain an adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and subsequent spin. Also causal to the accident was the pilot’s failure to follow prescribed spin…
- [NTSB WPR16FA148](https://openairdocs.org/ntsb/WPR16FA148.md): Air Tractor AT 502B · Zamora, CA · Accident · 1 fatal · Field investigation · Final report · Jul 23, 2016 · N502WC · 2 aircraft · Substantial damage
  > The failure of both pilots to maintain an adequate visual lookout, which resulted in a midair collision. Also causal was the other pilot's use of two sedating antihistamines and two impairing medication and the effect of sun glare on his visual lookout, which…
- [NTSB CEN16LA288](https://openairdocs.org/ntsb/CEN16LA288.md): Cessna 208B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 2016 · N7581F · Substantial damage
  > The pilot's decision to land the fully loaded parachutist drop airplane on a wet grass runway that had insufficient length for the landing in high temperature conditions, which resulted in a runway overrun, when a more suitable longer runway was available at…
- [NTSB ERA16CA302](https://openairdocs.org/ntsb/ERA16CA302.md): Beech B200 · Burnsville, NC · Accident · No injuries · Data collection · Final report · Jul 20, 2016 · N46CE · Substantial damage
  > A collision with a bush during landing.
- [NTSB GAA16CA308](https://openairdocs.org/ntsb/GAA16CA308.md): Cessna 208 · Fort Dodge, IA · Accident · No injuries · Data collection · Final report · Jun 5, 2016 · N750Z · Substantial damage
  > The flight crew's failure to install the tail stand prior to passenger boarding, which resulted in a tail strike.
- [NTSB GAA16CA303](https://openairdocs.org/ntsb/GAA16CA303.md): Air Tractor AT 502 · Nicolaus, CA · Accident · No injuries · Data collection · Final report · Jun 1, 2016 · N5091N · Substantial damage
  > The pilot's insufficient clearance from a power line during aerial application operations, which resulted in a power line strike, a forced landing on unsuitable terrain, loss of directional control, and collision with terrain.
- [NTSB CEN16LA181](https://openairdocs.org/ntsb/CEN16LA181.md): Air Tractor AT 502 · West, TX · Accident · 1 fatal · Limited investigation · Final report · May 14, 2016 · N1546Z · Destroyed
  > The pilot’s failure to see and avoid cellular tower guy wires. Contributing to the accident was the pilot’s decision to operate at low altitude.
- [NTSB WPR16LA107](https://openairdocs.org/ntsb/WPR16LA107.md): Cessna 208B · Acampo, CA · Accident · Minor injuries · Limited investigation · Final report · May 12, 2016 · N1114A · Substantial damage
  > A total loss of engine power due to a fatigue fracture of the fuel pressure line that connected the fuel control unit and the fuel flow transducer due to vibration as the result of a fatigue fracture of an associated support clamp. Contributing to the…
- [NTSB GAA16CA224](https://openairdocs.org/ntsb/GAA16CA224.md): Air Tractor AT 502 · Oberlin, KS · Accident · No injuries · Data collection · Final report · May 8, 2016 · N6181Q · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in runway excursion, and a ground loop.
- [NTSB CEN16FA158](https://openairdocs.org/ntsb/CEN16FA158.md): Beech 65 A90 1 · Slidell, LA · Accident · 2 fatal · Field investigation · Final report · Apr 20, 2016 · N7MC · Destroyed
  > The unstable approach in black-hole conditions, resulting in the airplane overshooting the runway extended centerline and descending well below a safe glidepath for the runway. Contributing to the accident was the lack of monitoring by the copilot allowing…
- [NTSB CEN16LA139](https://openairdocs.org/ntsb/CEN16LA139.md): Air Tractor AT-402 · Beyersville, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 29, 2016 · N4555E · Substantial damage
  > The pilot's failure to maintain visual separation from the power line due to a lack of identifiable and contrasting features, which led to an inflight collision with the line while maneuvering in gray, hazy conditions.
- [NTSB ERA16LA137](https://openairdocs.org/ntsb/ERA16LA137.md): Beech 99 · Rockland, ME · Accident · No injuries · Limited investigation · Final report · Mar 2, 2016 · N198WA · Substantial damage
  > The airplane’s encounter with isolated severe turbulence, which resulted in substantial airframe damage.
- [NTSB OPS16IA009](https://openairdocs.org/ntsb/OPS16IA009.md): Cessna 172S · Honolulu, HI · Incident · Class 3 · Incident · Final report · Feb 26, 2016 · N269ME · 2 aircraft · No damage
  > The air traffic controller's decision to clear an aircraft to land on a runway occupied by another aircraft that had previously been instructed to line up and wait. Contributing to the runway incursion was the failure of the air traffic controller to visually…
- [NTSB GAA16CA109](https://openairdocs.org/ntsb/GAA16CA109.md): Cessna CE-208 · Hooper Bay, AK · Accident · Minor injuries · Data collection · Final report · Jan 15, 2016 · N104AN · Substantial damage
  > The pilot's failure to identify the runway, resulting in the airplane touching down a few feet to the right of the runway.
- [NTSB GAA16CA348](https://openairdocs.org/ntsb/GAA16CA348.md): Beech B200 · Carolina, PR · Accident · No injuries · Data collection · Final report · Jan 11, 2016 · N87SA · Substantial damage
  > The pilot's failure to actuate the parking brake prior to leaving his seat, resulting in 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 year(c."eventDate") = 2016
  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=2016

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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.