# NTSB investigations: Pratt & Whitney PT6A series: In flight collision with object

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 ANC07FA073](https://openairdocs.org/ntsb/ANC07FA073.md): Piper PA-46-350P · Sitka, AK · Accident · 4 fatal · Field investigation · Final report · Aug 6, 2007 · N35CX · Destroyed
  > The pilot's failure to maintain altitude/distance from obstacles during an IFR circling approach, and his failure to follow the instrument approach procedure. Contributing to the accident was clouds.
- [NTSB DFW07CA123](https://openairdocs.org/ntsb/DFW07CA123.md): Air Tractor AT-502B · Banquete, TX · Accident · No injuries · Data collection · Final report · May 29, 2007 · N502DB · Substantial damage
  > The pilot's failure to maintain clearance from the power transmission line(s). A contributing factor was the low altitude selected by the pilot.
- [NTSB CHI07LA147](https://openairdocs.org/ntsb/CHI07LA147.md): Thrush S2RHG-T65 · Tyndall, SD · Accident · 1 fatal · Limited investigation · Final report · May 19, 2007 · N40097 · Destroyed
  > The pilot not maintaining altitude/clearance from a powerline while maneuvering. A factor was the low visibility associated with the thunderstorm and the powerlines.
- [NTSB CHI07FA068](https://openairdocs.org/ntsb/CHI07FA068.md): Cessna 208B · Alliance, NE · Accident · Serious injuries · Field investigation · Final report · Feb 8, 2007 · N1116Y · Substantial damage
  > The pilot's descent below minimum descent altitude while on a nonprecision approach. A contributing factor was a low ceiling.
- [NTSB ATL07CA011](https://openairdocs.org/ntsb/ATL07CA011.md): Air Tractor AT-802A · Linden, AL · Accident · No injuries · Data collection · Final report · Oct 13, 2006 · N8504T · Substantial damage
  > The pilot's attempt to takeoff downwind resulting in the airplane not clearing trees at the end of the runway.
- [NTSB DFW06CA182](https://openairdocs.org/ntsb/DFW06CA182.md): Air Tractor AT-502B · Marvell, AR · Accident · No injuries · Data collection · Final report · Jul 12, 2006 · N90614 · Substantial damage
  > The pilot's failure to maintain clearance with terrain during takeoff.
- [NTSB CHI05LA164](https://openairdocs.org/ntsb/CHI05LA164.md): Rockwell S-2R · Bristol, SD · Accident · 1 fatal · Limited investigation · Final report · Jul 5, 2005 · N3211R · Substantial damage
  > The pilot's failure to maintain clearance with the static lines between the transmission towers. A factor associated with the accident were the static lines.
- [NTSB DFW05IA150](https://openairdocs.org/ntsb/DFW05IA150.md): Cessna 208B · Clarendon, TX · Incident · No injuries · Incident investigation · Final report · Jun 7, 2005 · N9505B · No damage
  > The loss of total engine power due to damage of the compressor stator vanes caused by a foreign object. A contributing factor was an in-flight ingestion of bird(s).
- [NTSB DFW05CA079](https://openairdocs.org/ntsb/DFW05CA079.md): Air Tractor AT-402 · Dumas, AR · Accident · No injuries · Data collection · Final report · Mar 2, 2005 · N1518Z · Substantial damage
  > The pilot's failure to maintain clearance from the power lines.
- [NTSB SEA05LA010](https://openairdocs.org/ntsb/SEA05LA010.md): Beech 99A · Billings, MT · Accident · No injuries · Limited investigation · Final report · Oct 18, 2004 · N955AA · Substantial damage
  > the pilot's failure to follow the instrument approach procedure, which resulted in a premature descent below the decision height and subsequent collision with a building.
- [NTSB ATL04CA146](https://openairdocs.org/ntsb/ATL04CA146.md): Air Tractor AT-402A · Hillsboro, AL · Accident · Minor injuries · Data collection · Final report · Jul 3, 2004 · N9089L · Substantial damage
  > The pilot's inadequate visual lookout and failure to maintain adequate obstacle clearance, which resulted in collision with transmission wires.
- [NTSB FTW04CA112](https://openairdocs.org/ntsb/FTW04CA112.md): Air Tractor AT-502B · San Angelo, TX · Accident · No injuries · Data collection · Final report · Apr 21, 2004 · N5196J · Destroyed
  > The pilot's improper preflight performance planning, and his failure to establish a climb. Factors were the high density altitude and crosswind.
- [NTSB FTW04LA108](https://openairdocs.org/ntsb/FTW04LA108.md): Air Tractor AT-402B · Goliad, TX · Accident · 1 fatal · Limited investigation · Final report · Apr 13, 2004 · N852JH · Substantial damage
  > The pilot's failure to maintain clearance with power lines while maneuvering during an aerial application flight.
- [NTSB CHI03LA273](https://openairdocs.org/ntsb/CHI03LA273.md): Ayres S2R-T660 · Blytheville, AR · Accident · Minor injuries · Limited investigation · Final report · Aug 19, 2003 · N4114A · Destroyed
  > The pilot's inadequate visual lookout and altitude/clearance not being maintained from the transmission wires. A factor to the accident was the transmission wires.
- [NTSB FTW03LA158](https://openairdocs.org/ntsb/FTW03LA158.md): Air Tractor AT-502B · Edna, TX · Accident · No injuries · Limited investigation · Final report · May 19, 2003 · N9086M · Destroyed
  > The pilot's failure to maintain clearance with the transmission wires while maneuvering during an aerial application flight. A contributing factor was the haze restricting the visibility.
- [NTSB LAX03LA122](https://openairdocs.org/ntsb/LAX03LA122.md): Ayres S2R-T34 · Avondale, AZ · Accident · No injuries · Limited investigation · Final report · Apr 1, 2003 · N30913 · Substantial damage
  > The pilot failed to maintain adequate visual lookout and did not maintain clearance from power lines. The backhoe's location, which caused the pilot to alter his planned flight path, was a factor.
- [NTSB CHI02LA259](https://openairdocs.org/ntsb/CHI02LA259.md): Air Tractor AT-402A · Cherokee, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2002 · N9032K · Substantial damage
  > The pilot failed to maintain clearance with the power lines resulting in the rudder separation and the subsequent loss of aircraft control. A factor associated with the accident was the power line that was contacted.
- [NTSB ANC02LA079](https://openairdocs.org/ntsb/ANC02LA079.md): de Havilland DHC-6 · Toksook Bay, AK · Accident · No injuries · Limited investigation · Final report · Jul 13, 2002 · N885EA · Substantial damage
  > A bird strike during takeoff, which resulted in damage to the right wing.
- [NTSB FTW02LA116](https://openairdocs.org/ntsb/FTW02LA116.md): Air Tractor 502B · Palestine, AR · Accident · No injuries · Limited investigation · Final report · Apr 10, 2002 · N9074H · Substantial damage
  > the pilot's failure to maintain clearance with the power line while maneuvering during an aerial application flight.
- [NTSB MIA02FA037](https://openairdocs.org/ntsb/MIA02FA037.md): Cessna 208B · Bessemer, AL · Accident · 2 fatal · Field investigation · Final report · Dec 1, 2001 · N499BA · Destroyed
  > The poor in-flight planning by the pilot-in-command for his initiation of the ILS approach to runway 05 with weather conditions below minimums for the approach contrary to the federal aviation regulations, and the failure of the pilot to maintain control of…
- [NTSB FTW02LA034](https://openairdocs.org/ntsb/FTW02LA034.md): Air Tractor AT-802A · Benton, LA · Accident · 1 fatal · Limited investigation · Final report · Nov 14, 2001 · N202AT · Destroyed
  > in-flight collision with trees while on final approach to land for an undetermined reason.
- [NTSB MIA01LA205](https://openairdocs.org/ntsb/MIA01LA205.md): Air Tractor AT-402A · Whitakers, NC · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 2001 · N9072T · Destroyed
  > the pilot's failure to maintain an adequate visual lookout and the proper clearance from obstacles while conducting aerial applications, which resulted in an inflight collision with a power utility pole.
- [NTSB CHI01LA183](https://openairdocs.org/ntsb/CHI01LA183.md): Air Tractor AT-402 · Catron, MO · Accident · Minor injuries · Limited investigation · Final report · Jun 22, 2001 · N91966 · Substantial damage
  > the failure of the pilot to maintain clearance from the electrical wires.
- [NTSB MIA01LA037](https://openairdocs.org/ntsb/MIA01LA037.md): Air Tractor AT-502B · Belle Glade, FL · Accident · No injuries · Limited investigation · Final report · Dec 6, 2000 · N50470 · Substantial damage
  > The pilot's failure to maintain a visual lookout during a swath run resulting in an in-flight collision with known wires along the swath run, and a loss of directional control on landing roll due to flight control damage sustained during the in-flight…
- [NTSB FTW00LA257](https://openairdocs.org/ntsb/FTW00LA257.md): Air Tractor 402B · Segraves, TX · Accident · No injuries · Limited investigation · Final report · Sep 6, 2000 · N6174H · Substantial damage
  > The pilot's failure to maintain clearance with the irrigation system. A factor was the whirlwind weather condition.
- [NTSB FTW00LA232](https://openairdocs.org/ntsb/FTW00LA232.md): Air Tractor AT-502 · Helena, AR · Accident · No injuries · Limited investigation · Final report · Aug 14, 2000 · N73184 · Substantial damage
  > the pilot's failure to maintain obstacle clearance. A contributing factor was the sun glare.
- [NTSB FTW00LA195](https://openairdocs.org/ntsb/FTW00LA195.md): Ayres S2R-T34 · Anahuac, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2000 · N2252N · Destroyed
  > The pilot's failure to maintain clearance with the power line. A factor was the lack of suitable terrain for the forced landing.
- [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 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 ATL99LA009](https://openairdocs.org/ntsb/ATL99LA009.md): Air Tractor AT502B · Bainbridge, GA · Accident · Serious injuries · Limited investigation · Final report · Oct 12, 1998 · N6037N · Destroyed
  > The pilot's inadequate visual lookout which resulted in a collision with an irrigation unit located in the field.
- [NTSB FTW99LA005](https://openairdocs.org/ntsb/FTW99LA005.md): Air Tractor AT-502B · Ringling, OK · Accident · No injuries · Limited investigation · Final report · Oct 8, 1998 · N502S · Substantial damage
  > The pilot's failure to maintain obstacle clearance. A factor was the sun glare which impaired the pilot's vision.
- [NTSB FTW98LA383](https://openairdocs.org/ntsb/FTW98LA383.md): Air Tractor AT-502B · Portales, NM · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 1998 · N50620 · Destroyed
  > The pilot's failure to maintain adequate altitude/clearance during an aerial application. Also causal was the inadvertent ground loop/swerve during the landing.
- [NTSB LAX98FA013](https://openairdocs.org/ntsb/LAX98FA013.md): Beech 99-C99 · Meadview, AZ · Accident · No injuries · Field investigation · Final report · Oct 15, 1997 · N227AV · Substantial damage
  > The pilot's inadequate in-flight decision, inadequate visual lookout, and his failure to maintain adequate obstacle clearance. Contributing was low altitude flight.
- [NTSB FTW97FA285](https://openairdocs.org/ntsb/FTW97FA285.md): Ayres S2R-T15 · Oakridge, LA · Accident · 1 fatal · Field investigation · Final report · Jul 28, 1997 · N3096K · Destroyed
  > The pilot's failure to maintain clearance for undetermined reasons.
- [NTSB FTW97LA196](https://openairdocs.org/ntsb/FTW97LA196.md): Ayres S2R-T34 · Welsh, LA · Accident · Minor injuries · Limited investigation · Final report · May 22, 1997 · N30982 · Substantial damage
  > The pilot's failure to maintain clearance with a moving vehicle. Factors were: the lack of runway signs and a runway safety area, and the difficulty for the pilot and driver of the vehicle to visually detect each other due to high vegetation at the edge of…
- [NTSB MIA97GA059](https://openairdocs.org/ntsb/MIA97GA059.md): Ayres S2RHG-T65 · Guaviare, Colombia · Accident · 1 fatal · Final report · Jan 7, 1997 · N3100U · Destroyed
  > the pilot's failure to maintain adequate altitude/clearance while maneuvering at a low altitude.
- [NTSB FTW97LA074](https://openairdocs.org/ntsb/FTW97LA074.md): Beech C90A · Rio Grande City, TX · Accident · No injuries · Limited investigation · Final report · Jan 2, 1997 · N1552D · Substantial damage
  > The pilot's failure to maintain clearance with the tower. Factors were the low ceilings and the pilot's diverted attention to his navigation.
- [NTSB ATL96LA130](https://openairdocs.org/ntsb/ATL96LA130.md): Air Tractor 402 · Mayersville, MS · Accident · 1 fatal · Limited investigation · Final report · Sep 21, 1996 · N1517G · Substantial damage
  > the pilot's misjudgment of his ground speed and distance to trees during the swath run, and his delayed pull-up at the end of the swath run, which resulted in his failure to remain clear of the trees. The tail wind and location of the trees were related…
- [NTSB ANC96LA076](https://openairdocs.org/ntsb/ANC96LA076.md): Beech 99C · Barrow, AK · Accident · Minor injuries · Limited investigation · Final report · May 21, 1996 · N216CS · Substantial damage
  > an in-flight collision with a bird.
- [NTSB FTW94LA257](https://openairdocs.org/ntsb/FTW94LA257.md): Air Tractor AT-502 · Bosco, LA · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 1994 · N9152C · Destroyed
  > The pilot's failure to maintain clearance with the telephone pole.
- [NTSB FTW94LA239](https://openairdocs.org/ntsb/FTW94LA239.md): Air Tractor AT-501 · Marianna, AR · Accident · No injuries · Limited investigation · Final report · Jul 19, 1994 · N6073J · Destroyed
  > A premature liftoff. Factors were the tall, wet grass and a tail wind component.
- [NTSB FTW94LA098](https://openairdocs.org/ntsb/FTW94LA098.md): Air Tractor AT-502 · Moro, AR · Accident · Serious injuries · Limited investigation · Final report · Mar 16, 1994 · N9189Y · Destroyed
  > The pilot's failure to maintain clearance of power lines.
- [NTSB FTW92DRD04](https://openairdocs.org/ntsb/FTW92DRD04.md): Air Tractor AT-502 · Mamou, LA · Accident · Minor injuries · Final report · Jul 8, 1992 · N7315L · Substantial damage
  > The pilot's failure to maintain proper clearance.
- [NTSB NYC90DGM01](https://openairdocs.org/ntsb/NYC90DGM01.md): Air Tractor AT-400 · Tyrone, PA · Accident · Serious injuries · Final report · May 8, 1990 · N2369N · Destroyed
  > The pilot's failure to maintain adequate clearance from obstructions during low level aerial application operations. The pilot's inadequate visual lookout was a factor.
- [NTSB LAX87DVA09](https://openairdocs.org/ntsb/LAX87DVA09.md): Ayres S2R-T34 · Mendota, CA · Accident · No injuries · Final report · May 21, 1987 · N4012Y · Substantial damage
  > During an agricultural application flight, the aircraft struck a pole that was located 30 feet within the field boundary. The pilot stated that due to the dawn light and the way the pole blended in with the field along with a light amount of chemical on the…
- [NTSB FTW82DA372](https://openairdocs.org/ntsb/FTW82DA372.md): Air Tractor AT-400 · Muleshoe, TX · Accident · No injuries · Final report · Sep 9, 1982 · N2369N · Substantial damage
  > Pilot collided with a water spraying machine while making crop spray pass. Landing gear tore off.

## 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 ('52032', '52034')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&occurrence=220

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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.