# NTSB investigations: Pratt & Whitney R-985 series, TX

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 1 of 3 · 150 cases

## Latest cases

- [NTSB GAA20CA033](https://openairdocs.org/ntsb/GAA20CA033.md): Weatherly 620 · Fabens, TX · Accident · No injuries · Data collection · Final report · Oct 17, 2019 · N9033T · Substantial damage
  > The pilot's failure to maintain clearance from power wires while maneuvering at a low altitude.
- [NTSB CEN17LA038](https://openairdocs.org/ntsb/CEN17LA038.md): Weatherly 620B · Coleman, TX · Accident · No injuries · Limited investigation · Final report · Nov 12, 2016 · N2035J · Substantial damage
  > The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB CEN15LA272](https://openairdocs.org/ntsb/CEN15LA272.md): Weatherly 620A · Van Horn, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 2015 · N4659N · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN11FA228](https://openairdocs.org/ntsb/CEN11FA228.md): Waco UPF-7 · Brownsville, TX · Accident · Serious injuries · Field investigation · Final report · Mar 12, 2011 · N30136 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN10CA568](https://openairdocs.org/ntsb/CEN10CA568.md): Beech D17S · Fort Worth, TX · Accident · No injuries · Data collection · Final report · Sep 21, 2010 · N17GB · Substantial damage
  > The pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CEN10TA006](https://openairdocs.org/ntsb/CEN10TA006.md): Beech E18S · Jones Creek, TX · Accident · No injuries · Final report · Oct 3, 2009 · N797SB · Substantial damage
  > The pilot's failure to see and avoid the radio tower.
- [NTSB DFW08CA098](https://openairdocs.org/ntsb/DFW08CA098.md): Weatherly 620B · Coleman, TX · Accident · No injuries · Data collection · Final report · Apr 13, 2008 · N2035J · Substantial damage
  > The pilot's failure to maintain airplane control on the landing roll. A contributing factor was the variable wind.
- [NTSB DFW07CA128](https://openairdocs.org/ntsb/DFW07CA128.md): Doggett Jack Samson · Conroe, TX · Accident · No injuries · Data collection · Final report · Jun 1, 2007 · N985JD · Substantial damage
  > The failure of the main landing gear for undetermined reasons.
- [NTSB DFW06LA087](https://openairdocs.org/ntsb/DFW06LA087.md): Weatherly 201B · Hondo, TX · Accident · 1 fatal · Limited investigation · Final report · Mar 21, 2006 · N1257W · Substantial damage
  > A loss of aircraft control for undetermined reasons.
- [NTSB DFW05LA138](https://openairdocs.org/ntsb/DFW05LA138.md): Stearman D75 · Taylor, TX · Accident · 1 fatal · Limited investigation · Final report · May 28, 2005 · N56259 · Substantial damage
  > The pilot's failure to maintain clearance from an unmarked transmission line. A contributing factor was low altitude selected by the pilot.
- [NTSB DFW05CA132](https://openairdocs.org/ntsb/DFW05CA132.md): Weatherly 201B · Tornillo, TX · Accident · Minor injuries · Data collection · Final report · May 24, 2005 · N1284W · Substantial damage
  > The loss of engine power as result of the failure of a cylinder.
- [NTSB FTW04CA200](https://openairdocs.org/ntsb/FTW04CA200.md): Boeing A75N1 · Bay City, TX · Accident · No injuries · Data collection · Final report · Jul 31, 2004 · N75272 · Substantial damage
  > The pilot's failure to maintain directional control during landing. A contributing factor was the pilot's decision to land with a quartering tailwind.
- [NTSB FTW04LA157](https://openairdocs.org/ntsb/FTW04LA157.md): Snow S2C · La Feria, TX · Accident · No injuries · Limited investigation · Final report · Jun 5, 2004 · N9492R · Substantial damage
  > The pilot's failure to maintain clearance from the obstacle while maneuvering to perform an aerial application. A contributing factor was the high vegetation.
- [NTSB FTW01FA117](https://openairdocs.org/ntsb/FTW01FA117.md): Convair BT-13A · Odessa, TX · Accident · 2 fatal · Field investigation · Final report · May 14, 2001 · N66791 · Destroyed
  > the pilot's failure to maintain the minimum required airspeed for flight, which resulted in a loss of control while performing a go-around. A contributing factor to the accident was the gusty tailwind condition.
- [NTSB FTW99LA149](https://openairdocs.org/ntsb/FTW99LA149.md): Weatherly 620B · Whiteface, TX · Accident · Serious injuries · Limited investigation · Final report · May 25, 1999 · N6305W · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff. Contributing to the accident was the soft ground and the standing water on the runway.
- [NTSB FTW98LA410](https://openairdocs.org/ntsb/FTW98LA410.md): Grumman G-164A · Mart, TX · Accident · No injuries · Limited investigation · Final report · Sep 25, 1998 · N983X · Substantial damage
  > The loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW98LA407](https://openairdocs.org/ntsb/FTW98LA407.md): Snow S2C · Bovina, TX · Accident · No injuries · Limited investigation · Final report · Sep 18, 1998 · N9492R · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB FTW98LA080](https://openairdocs.org/ntsb/FTW98LA080.md): Beech E18S · Dfw Airport, TX · Accident · No injuries · Limited investigation · Final report · Dec 30, 1997 · N4980V · 2 aircraft · Minor damage
  > failure of the pilot in the 2nd airplane (N4980V) to see-and-avoid the standing airplane (N2069C). Related factors were: darkness, and inadequate (vague) instructions issued by the UPS ramp controller.
- [NTSB FTW98FA028](https://openairdocs.org/ntsb/FTW98FA028.md): Weatherly 620B · Cee Vee, TX · Accident · 1 fatal · Field investigation · Final report · Oct 22, 1997 · N46278 · Destroyed
  > The pilot's failure to maintain clearance with the power lines during an aerial application flight.
- [NTSB FTW98LA007](https://openairdocs.org/ntsb/FTW98LA007.md): Beech G18S · Crosbyton, TX · Accident · Serious injuries · Limited investigation · Final report · Oct 6, 1997 · N9312Y · Substantial damage
  > Inadequate maintenance which resulted in diminished carburetor heat effectiveness due to missing alternate air doors. Contributing were conducive carburetor icing weather conditions, low ceilings during the emergency descent, and the lack of suitable terrain…
- [NTSB FTW97LA186](https://openairdocs.org/ntsb/FTW97LA186.md): Snow S2C · Hondo, TX · Accident · No injuries · Limited investigation · Final report · May 12, 1997 · N1619S · Substantial damage
  > The pilot's failure to maintain directional control while landing.
- [NTSB FTW96LA241](https://openairdocs.org/ntsb/FTW96LA241.md): Weatherly 620B · Dumas, TX · Accident · No injuries · Limited investigation · Final report · Jun 8, 1996 · N2004L · Substantial damage
  > The failure of the right main gear torque link during landing roll as a result of its improper assembly by maintenance personnel.
- [NTSB FTW95LA392](https://openairdocs.org/ntsb/FTW95LA392.md): Grumman G-164B · Springlake, TX · Accident · No injuries · Limited investigation · Final report · Jun 8, 1995 · N211JM · Substantial damage
  > The loss of engine power due to the uncontained failure of the third stage turbine wheel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW94LA267](https://openairdocs.org/ntsb/FTW94LA267.md): Weatherly 201C · Pampa, TX · Accident · No injuries · Limited investigation · Final report · Aug 11, 1994 · N9075W · Substantial damage
  > The pilot's decision to takeoff from unsuitable terrain following the forced landing. A factor was fuel starvation induced power loss resultant from the pilot's failure to select the proper fuel tank.
- [NTSB FTW93LA257](https://openairdocs.org/ntsb/FTW93LA257.md): Beech C-45H · Fentress, TX · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 1993 · N125MB · Minor damage
  > Inadvertent deployment of the skydiver's reserve parachute for undetermined reasons.
- [NTSB FTW93LA221](https://openairdocs.org/ntsb/FTW93LA221.md): Boeing B75-N1 · Burnet, TX · Accident · No injuries · Limited investigation · Final report · Jul 31, 1993 · N65355 · Substantial damage
  > Inadvertent groundloop by the pilot.
- [NTSB FTW93LA001](https://openairdocs.org/ntsb/FTW93LA001.md): Beech D18S · Brookston, TX · Accident · No injuries · Limited investigation · Final report · Oct 1, 1992 · N90460 · Substantial damage
  > Smoke trailing from the left engine for an undetermined reason(s). Factors contributing to the accident were unsuitable terrain conditions.
- [NTSB FTW92LA103](https://openairdocs.org/ntsb/FTW92LA103.md): Snow S2C · Roby, TX · Accident · No injuries · Limited investigation · Final report · Apr 3, 1992 · N1619S · Substantial damage
  > The pilot's inadvertent stall of the airplane while maneuvering and subsequent loss of control.
- [NTSB FTW92LA093](https://openairdocs.org/ntsb/FTW92LA093.md): Boeing A-75N1 · Edna, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 19, 1992 · N53084 · Destroyed
  > The pilot's failure to maintain control of the airplane and the subsequent stall. A factor was the pilot's diversion of attention.
- [NTSB FTW92LA003](https://openairdocs.org/ntsb/FTW92LA003.md): Beech C-45H · Edinburg, TX · Accident · No injuries · Limited investigation · Final report · Oct 6, 1991 · N166ZA · Substantial damage
  > Power loss due to a loss of oil pressure for undetermined reasons. A factor was the lack of suitable terrain for forced landing.
- [NTSB FTW90DPA01](https://openairdocs.org/ntsb/FTW90DPA01.md): Grumman G-164B · Bonham, TX · Accident · No injuries · Final report · Apr 4, 1990 · N48372 · Substantial damage
  > A power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW89DRA08](https://openairdocs.org/ntsb/FTW89DRA08.md): Grumman-Schweizer G-164B · Anahuac, TX · Accident · Minor injuries · Final report · Jul 18, 1989 · N6633Q · Destroyed
  > Failure of the supercharger bearing. The dirt bank was a contributing factor.
- [NTSB FTW89DRA05](https://openairdocs.org/ntsb/FTW89DRA05.md): Boeing A75 · East Bernard, TX · Accident · Minor injuries · Final report · May 19, 1989 · N1722B · Destroyed
  > Water in fuel from improper servicing of the aircraft and improper preflight by the pilot. The tailwind & soft/wet terrain were contributing factors.
- [NTSB FTW88DRA14](https://openairdocs.org/ntsb/FTW88DRA14.md): Grumman G-164B · College Port, TX · Accident · No injuries · Final report · Jun 6, 1988 · N6615Q · Substantial damage
  > Acft was substantially damaged when it executed an off-arpt landing following takeoff FR0M a wet sod strip on an ag flt. The plt stated that he was taking off to the north and that during the t/o roll the wind shifted to out of the south. He further stated…
- [NTSB FTW87DRA09](https://openairdocs.org/ntsb/FTW87DRA09.md): Weatherly 201C · Louise, TX · Accident · No injuries · Final report · Jul 13, 1987 · N1296W · Substantial damage
  > The acft was loaded with aprx 1100 lbs of fertilizer & the plt attempted to takeoff from a pvt strip on a 'still & muggy' day with a temp of about 95 deg. He rprtd that during the takeoff roll, he opened the dump gate when the acft was midway down the rwy to…
- [NTSB FTW87LA162](https://openairdocs.org/ntsb/FTW87LA162.md): Grumman G-21A · Big Spring, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1987 · N322 · Substantial damage
  > During flt, the plt noted that the left fuel tank was almost empty and the right tank had gained fuel. He immediately switched from the both position to the right tank and started to work the wobble pump. The fuel continued to drop in the left tank and the…
- [NTSB FTW87DRA03](https://openairdocs.org/ntsb/FTW87DRA03.md): Grumman G-164B · Egypt, TX · Accident · No injuries · Final report · Jun 8, 1987 · N6667Q · Substantial damage
  > Acft experienced a power loss drng an aerial app maneuver. During the ensuing emerg lndg, the left wing struck high weeds on the shoulder of a road, veered left into a ditch, and flipped over. Investigation revealed no. 7 cylinder had a pre-existing crack in…
- [NTSB FTW86LA160](https://openairdocs.org/ntsb/FTW86LA160.md): Boeing E75 · Sweetwater, TX · Accident · No injuries · Limited investigation · Final report · Sep 2, 1986 · N4563N · Substantial damage
  > While the acft was in cruise flt, the engine suddenly went to idle power. The plt attempted to land in a clearing, but was unable to reach the intended area. During the landing, the acft collided with low mesquite trees, damaging the landing gear & wings. An…
- [NTSB FTW86LA158](https://openairdocs.org/ntsb/FTW86LA158.md): Boeing A75N1 · Addison, TX · Accident · No injuries · Limited investigation · Final report · Aug 29, 1986 · N7711J · Substantial damage
  > During the landing roll, the right main landing gear collapsed & separated from the fuselage. An exam revealed the right main gear had failed due to fatigue. The acft had a total airframe time of 1481 hrs.
- [NTSB FTW86FA066](https://openairdocs.org/ntsb/FTW86FA066.md): Grumman G164A · Hankamer, TX · Accident · 2 fatal · Field investigation · Final report · Apr 15, 1986 · N8751H · 2 aircraft · Destroyed
  > Two Grumman ag cats operated by the same air service collided in mid air. The accident occurred as one was departing and the other was returning to a temporary air strip adjacent to the fields they were fertilizing. Witnesses indicated that both pilot…
- [NTSB FTW86FPA13](https://openairdocs.org/ntsb/FTW86FPA13.md): Beech E18S · Terrell, TX · Accident · No injuries · Final report · Jan 2, 1986 · N27Y · Substantial damage
  > The plt reported the acft yawed left on takeoff and despite attempted remedial action the acft would not clear odstaclesalong the flt path. Pwr was reduced and a straight in landing was made in a fld aprx 1/4 mile north of the rwy. A witness reported the acft…
- [NTSB FTW85LA142](https://openairdocs.org/ntsb/FTW85LA142.md): Beech E18S · Pharr, TX · Accident · No injuries · Limited investigation · Final report · Mar 10, 1985 · N352B · Substantial damage
  > The plt took off at about 0600 CST on a local test flt following an eng change. He received a special VFR clearance from the control tower, but did not obtain an IFR clearance. At 0605, the wx at mcallen, TX was in part: 500 ft obscured, visibility 2 mi, wind…
- [NTSB FTW85LA002](https://openairdocs.org/ntsb/FTW85LA002.md): Grumman G-164A · Progreso, TX · Accident · No injuries · Limited investigation · Final report · Oct 1, 1984 · N5255 · Substantial damage
  > Shortly after takeoff, plt heard explosive report from engine and experienced partial pwr loss. Plt attempted to return for landing but could not maintain sufficient altitude. Load not jettisoned. During forced landing roll out in cane field acft nosed over.…
- [NTSB FTW84LA317](https://openairdocs.org/ntsb/FTW84LA317.md): Beech D-18S · Mcallen, TX · Accident · No injuries · Limited investigation · Final report · Jul 20, 1984 · N113B · Substantial damage
  > The PIC was observing from the right seat while the C0-PLT was in the left seat taking off. During the takeoff roll, the co-plt lost directional control of the acft & the PIC was unable to recover. The acft veered off the left side of the rwy, the right main…
- [NTSB FTW84LA132](https://openairdocs.org/ntsb/FTW84LA132.md): Grumman G-164A · Heidenheimer, TX · Accident · No injuries · Limited investigation · Final report · Feb 10, 1984 · N5407 · Substantial damage
  > The plt landed in the field he was spraying to tell the flagman he was quitting for the day. During landing roll the right main gear dug into the soft dirt and the acft nosed over.
- [NTSB FTW84LA236](https://openairdocs.org/ntsb/FTW84LA236.md): Beech D17S · Stratford, TX · Accident · No injuries · Limited investigation · Final report · Feb 7, 1984 · N1038M · Substantial damage
  > The pilot stated after the accident that the engine failure occurred as the acft climbed through 6500 feet. According to the plt the no. 1 cylinder separated from the radial eng. The acft nosed over during the landing on unimproved terrain.
- [NTSB FTW84FA086](https://openairdocs.org/ntsb/FTW84FA086.md): Beech D18S · Brownsville, TX · Accident · 1 fatal · Field investigation · Final report · Dec 6, 1983 · N44609 · Destroyed
  > The plt had just taken off at night on a flt to Mexico when he declared an intent to return & land with some unspecified emergency. While he was using his radio, the sound of both engs, running at hi power, was audible. When asked if he required assistance,…
- [NTSB FTW83LA405](https://openairdocs.org/ntsb/FTW83LA405.md): Grumman G-164B · East Bernard, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 31, 1983 · N48687 · Substantial damage
  > During takeoff, the eng had a partial loss of power after the acft lifted off. The plt reported that he dumped his load of defoliant, but the acft would not climb. Subsequently, it settled & collided with brush & trees. The plt attributed the power loss to a…
- [NTSB FTW83LA391](https://openairdocs.org/ntsb/FTW83LA391.md): Grumman G-164B · Lissie, TX · Accident · No injuries · Limited investigation · Final report · Aug 20, 1983 · N48516 · Substantial damage
  > The acft ran into a ditch during takeoff and collapsed the landing gear. The plt said he was steering around some mud holes when the wing became entangled in high grass alongside the rwy. The acft groundlooped off the rwy into a ditch. The wings and landing…
- [NTSB FTW83LA234](https://openairdocs.org/ntsb/FTW83LA234.md): Beech TC-45G · Abilene, TX · Accident · No injuries · Limited investigation · Final report · May 14, 1983 · N63310 · Substantial damage
  > About 30 mi east of Abilene there was a partial loss of power on the left eng. The plt feathered the prop & made an emergency approach into Abilene. Unable to hold initial approach altitude, the plt restarted the left eng, but could obtain only partial power.…

Next page: https://openairdocs.org/ntsb.md?engine=52008&state=TX&page=2

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&state=TX

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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.
