# NTSB investigations: Pratt & Whitney R-985 series

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 10 of 38 · 1,867 cases

## Cases, newest first

- [NTSB ATL94LA084](https://openairdocs.org/ntsb/ATL94LA084.md): Grumman G-164B · Ozark, AL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1994 · N48717 · Substantial damage
  > A loss of engine power for undetermined reasons. A factor was the soft terrain.
- [NTSB SEA94LA092](https://openairdocs.org/ntsb/SEA94LA092.md): Grumman-Schweizer G-164B · Levan, UT · Accident · No injuries · Limited investigation · Final report · Mar 30, 1994 · N6754Q · Substantial damage
  > The left main landing gear wheel bearing broke resulting in the wheel jamming and the airplane nosing over.
- [NTSB ANC94GA041](https://openairdocs.org/ntsb/ANC94GA041.md): Grumman G21A · Mt. Fairweather, Canada · Accident · Minor injuries · Final report · Mar 21, 1994 · N741 · Substantial damage
  > The pilot's improper decision in attempting to outclimb the rising terrain with the existing airplane climb performance. Factors which contributed to the accident were: the pilot's inadequate preflight of the airplane, the over maximum gross weight of the…
- [NTSB ATL94LA066](https://openairdocs.org/ntsb/ATL94LA066.md): Boeing PT-17 · Chamblee, GA · Accident · No injuries · Limited investigation · Final report · Mar 19, 1994 · N57TH · Substantial damage
  > The pilot's failure to compensate for the wind condition during landing. A factor is a tailwind.
- [NTSB LAX94LA155](https://openairdocs.org/ntsb/LAX94LA155.md): Grumman G-164B · Chico, CA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1994 · N6528K · Substantial damage
  > the failure of the pilot to obtain/maintain sufficient flying speed during a downwind takeoff and climb, compounded by his reluctance to use full available takeoff power.
- [NTSB ATL94LA045](https://openairdocs.org/ntsb/ATL94LA045.md): Cessna 310R · Memphis, TN · Accident · No injuries · Limited investigation · Final report · Jan 28, 1994 · N3844C · 2 aircraft · Substantial damage
  > The failure of the pilot of N2069C to follow the ATC directive to give way to N3844C, and the inadequate visual lookout by the pilot of N2069C. A factor was the dark night lighting condition at the time of the accident.
- [NTSB CHI93LA373](https://openairdocs.org/ntsb/CHI93LA373.md): Beech 18-C45G · Jeffersonville, IN · Accident · No injuries · Limited investigation · Final report · Sep 20, 1993 · N80323 · Substantial damage
  > the mechanical binding of the landing gear extension mechanism.
- [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 ANC93T#A03](https://openairdocs.org/ntsb/ANC93T%23A03.md): De Havilland DHC-2 · Samsing Cove, AK · Accident · No injuries · Class 3 · Final report · Aug 2, 1993 · N450DB · Substantial damage
- [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 CHI93LA303](https://openairdocs.org/ntsb/CHI93LA303.md): Schweizer G167B · Borup, MN · Accident · No injuries · Limited investigation · Final report · Jul 27, 1993 · N6637Q · Substantial damage
  > the loss of engine power due to a cracked cylinder head.
- [NTSB ANC93LA127](https://openairdocs.org/ntsb/ANC93LA127.md): Beech D18S · Kodiak, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 25, 1993 · N2053D · Substantial damage
  > The pilot's improper in flight planning/decision. A factor was the partial loss of power on one engine.
- [NTSB CHI93LA254](https://openairdocs.org/ntsb/CHI93LA254.md): Grumman G164B · Eldred, MN · Accident · No injuries · Limited investigation · Final report · Jul 13, 1993 · N48518 · Substantial damage
  > the pilot's failure to maintain directional control during the takeoff roll.
- [NTSB CHI93LA232](https://openairdocs.org/ntsb/CHI93LA232.md): Schweizer G-164 · Northwood, ND · Accident · No injuries · Limited investigation · Final report · Jun 26, 1993 · N6719Q · Substantial damage
  > The pilot in command's failure to attain a proper touchdown point.
- [NTSB ANC93T#A02](https://openairdocs.org/ntsb/ANC93T%23A02.md): De Havilland DHC-2 · Tenakee Springs, AK · Accident · No injuries · Class 3 · Final report · Jun 18, 1993 · N450DB · Substantial damage
- [NTSB FTW93LA179](https://openairdocs.org/ntsb/FTW93LA179.md): Grumman-Schweizer G-164B · Kaplan, LA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1993 · N6693Q · Substantial damage
  > The pilot's failure to have the airplane properly attended during start when people were available. A factor was the inadequate tie down rope.
- [NTSB FTW93LA177](https://openairdocs.org/ntsb/FTW93LA177.md): Weatherly 620B · Crowley, LA · Accident · No injuries · Limited investigation · Final report · Jun 5, 1993 · N2002E · Substantial damage
  > Severe propeller and airframe vibration for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW93LA175](https://openairdocs.org/ntsb/FTW93LA175.md): Grumman G-164B · St. Martinville, LA · Accident · No injuries · Limited investigation · Final report · Jun 2, 1993 · N48724 · Substantial damage
  > The pilot's and tractor driver's inadequate visual lookout
- [NTSB FTW93LA172](https://openairdocs.org/ntsb/FTW93LA172.md): Grumman G-164B · Walnut Ridge, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1993 · N48659 · Destroyed
  > The pilot's failure to maintain adequate clearance.
- [NTSB LAX93LA238](https://openairdocs.org/ntsb/LAX93LA238.md): Boeing B75N1 · Pacoima, CA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1993 · N218DL · Substantial damage
  > A failure of the pilot to adequately compensate for cross wind conditions and a failure to maintain directional control of the airplane.
- [NTSB CHI93DCQ01](https://openairdocs.org/ntsb/CHI93DCQ01.md): Grumman G-164A · Liberal, KS · Accident · 1 fatal · Final report · May 30, 1993 · N8385 · Destroyed
  > the pilot's failure to maintain clearance with the powerlines. A factor related to the accident were the powerlines which were contacted during the aerial application operation.
- [NTSB FTW93LA169](https://openairdocs.org/ntsb/FTW93LA169.md): Grumman G-164A · Weiner, AR · Accident · No injuries · Limited investigation · Final report · May 27, 1993 · N4593 · Substantial damage
  > Partial power loss due to improper installation of the linkage control bracket. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX93LA226](https://openairdocs.org/ntsb/LAX93LA226.md): Grumman G-164B · Madera, CA · Accident · No injuries · Limited investigation · Final report · May 26, 1993 · N48632 · Destroyed
  > The pilot's failure to maintain directional control. A factor related to this accident was the left quartering tailwind.
- [NTSB CHI93FA180](https://openairdocs.org/ntsb/CHI93FA180.md): Beech C-18S · North Branch, MN · Accident · 1 fatal · Field investigation · Final report · May 22, 1993 · N67E · Destroyed
  > excessive use of brakes by the pilot-in-command.
- [NTSB SEA93LA112](https://openairdocs.org/ntsb/SEA93LA112.md): Boeing A75N1 · Hardin, MT · Accident · No injuries · Limited investigation · Final report · May 19, 1993 · N9041R · Substantial damage
  > The pilot in command's failure to maintain directional control.
- [NTSB FTW93LA153](https://openairdocs.org/ntsb/FTW93LA153.md): Grumman G-164B · Arnaudville, LA · Accident · No injuries · Limited investigation · Final report · May 12, 1993 · N6639Q · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the unsuitable terrain
- [NTSB BFO93LA064](https://openairdocs.org/ntsb/BFO93LA064.md): Beech E18S · Xenia, OH · Accident · No injuries · Limited investigation · Final report · May 1, 1993 · N665M · Substantial damage
  > Inadequate preflight by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel.
- [NTSB NYC93LA089](https://openairdocs.org/ntsb/NYC93LA089.md): Boeing E75 · Zanesville, OH · Accident · No injuries · Limited investigation · Final report · Apr 23, 1993 · N181RF · Substantial damage
  > Improper use of the throttle by the pilot.
- [NTSB LAX93LA158](https://openairdocs.org/ntsb/LAX93LA158.md): Boeing A75L3 · Carlsbad, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 22, 1993 · N58969 · Substantial damage
  > The pilot's inadequate preflight preparation in that he failed to refuel the aircraft prior to departure.
- [NTSB FTW93LA089](https://openairdocs.org/ntsb/FTW93LA089.md): Grumman G-164B · Indian Village, LA · Accident · No injuries · Limited investigation · Final report · Feb 22, 1993 · N48455 · Substantial damage
  > Landing performed short of the runway threshold. Factor was wet grassy terrain
- [NTSB SEA93LA058](https://openairdocs.org/ntsb/SEA93LA058.md): Boeing A75N1 · Bend, OR · Accident · No injuries · Limited investigation · Final report · Jan 31, 1993 · N56843 · Substantial damage
  > Directional control not maintained and ground loop/swerve not corrected by the pilot in command.
- [NTSB ANC93IA026](https://openairdocs.org/ntsb/ANC93IA026.md): Grumman G-21A · Akutan, AK · Incident · No injuries · Incident investigation · Final report · Jan 7, 1993 · N22932 · Minor damage
  > The incident was caused by the pilots improper compensation for the winds. Factors were the microburst, the rough water, and the pilot's inadequate evaluation of the weather conditions.
- [NTSB MIA93WA028](https://openairdocs.org/ntsb/MIA93WA028.md): Grumman G-21A · West Caicos Isl, Turks & Caicos Islands · Accident · No injuries · Foreign investigation · Dec 15, 1992 · N3116T · Substantial damage
- [NTSB CHI93LA007](https://openairdocs.org/ntsb/CHI93LA007.md): Howard DGA-15P · Wichita, KS · Accident · No injuries · Limited investigation · Final report · Oct 8, 1992 · N67433 · Substantial damage
  > Inadequate preflight planning/preparation by the pilot, the pilot's over confidence in his personal ability, and airplane performance data not followed 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 LAX92LA391](https://openairdocs.org/ntsb/LAX92LA391.md): Beech D17S · Reno, NV · Accident · No injuries · Limited investigation · Final report · Sep 17, 1992 · N9465H · Substantial damage
  > The pilots failure to maintain directional control during landing rollout. Contributing to the accident was a variable tailwind condition and the soft, rough nature of the terrain.
- [NTSB DCA92MA048](https://openairdocs.org/ntsb/DCA92MA048.md): Beech C-45H · Hinckley, IL · Accident · 12 fatal · Major investigation · Final report · Sep 7, 1992 · N3657G · Destroyed
  > Inadequate maintenance and inspection by the operator which resulted in an engine power loss during the critical takeoff phase of flight. In addition, the pilot did not, or was unable to, attain a full-feather position on the left engine propeller, which…
- [NTSB CHI92DEE04](https://openairdocs.org/ntsb/CHI92DEE04.md): Weatherly 201B · Chana, IL · Accident · No injuries · Final report · Sep 5, 1992 · N2935W · Substantial damage
  > Fracture of a connecting rod resulting in loss of engine power.
- [NTSB CHI92DEP04](https://openairdocs.org/ntsb/CHI92DEP04.md): Grumman 164A · Elkhorn, WI · Accident · Minor injuries · Final report · Aug 31, 1992 · N48635 · Destroyed
  > The pilot-in-command's inadequate compensation for wind conditions.
- [NTSB CHI92DTG04](https://openairdocs.org/ntsb/CHI92DTG04.md): Grumman G-164B · Grandin, ND · Accident · No injuries · Final report · Aug 14, 1992 · N48687 · Substantial damage
  > The cracked cylinder which resulted in a forced landing. The lack of suitable terrain on which to make an emergency landing was a factor.
- [NTSB FTW92DPG14](https://openairdocs.org/ntsb/FTW92DPG14.md): Air Tractor AT-300 · Wilmont, AR · Accident · No injuries · Final report · Aug 12, 1992 · N4420S · Substantial damage
  > Power loss due to a failed cracked cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC92LA128](https://openairdocs.org/ntsb/ANC92LA128.md): De Havilland DHC-2 · Crescent Lake, AK · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 1992 · N8190Y · Substantial damage
  > The pilot's misjudging his altitude on final approach. Contributing to the accident was the glassy water condition.
- [NTSB CHI92DCJ05](https://openairdocs.org/ntsb/CHI92DCJ05.md): Grumman-Schweizer G-164B · Atkinson, NE · Accident · No injuries · Final report · Aug 11, 1992 · N48672 · Substantial damage
  > A cracked engine cylinder.
- [NTSB NYC92LA155](https://openairdocs.org/ntsb/NYC92LA155.md): Broussard MH-1521M · Elyria, OH · Accident · No injuries · Limited investigation · Final report · Aug 9, 1992 · N239HL · Substantial damage
  > The pilot's improper flare resulting in a hard bounced landing and subsequent blown tire and loss of airplane control.
- [NTSB ATL92LA154](https://openairdocs.org/ntsb/ATL92LA154.md): Weatherly 620A · Cobb, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 9, 1992 · N4650W · Substantial damage
  > The corroded, and separated, magnetic chip detector plug which allowed the loss of all engine oil and the engine's subsequent seizure. Factors were the inadequate 100 hour inspection, and the high vegetation in the forced landing field.
- [NTSB LAX92LA339](https://openairdocs.org/ntsb/LAX92LA339.md): Beech D17S · Bishop, CA · Accident · No injuries · Limited investigation · Final report · Aug 8, 1992 · N92SL · Substantial damage
  > The pilot's failure to maintain directional control; improper use of the rudder and excessive braking. Contributing to this accident was the pilot's lack of experience in the accident airplane make and model.
- [NTSB CHI92LA235](https://openairdocs.org/ntsb/CHI92LA235.md): Boeing A75N1 · St. Paul, MN · Accident · No injuries · Limited investigation · Final report · Aug 8, 1992 · N55982 · Substantial damage
  > The pilot's inattentiveness and improper use of the airplanes brakes. A factor which contributed to this accident was the incorrect brake system installed on the airplane.
- [NTSB MIA92LA159](https://openairdocs.org/ntsb/MIA92LA159.md): Grumman G-164A · Toney, AL · Accident · No injuries · Limited investigation · Final report · Aug 4, 1992 · N5272 · Substantial damage
  > The left main landing gear attachment bolt failed for undetermined reasons resulting in the collapse of both main landing gear during the take off roll.
- [NTSB ATL92LA130](https://openairdocs.org/ntsb/ATL92LA130.md): Grumman 164A · Abbeville, AL · Accident · Minor injuries · Limited investigation · Final report · Jun 25, 1992 · N5093 · Destroyed
  > The pilot's failure to see and avoid the top utility wire.
- [NTSB CHI92DTG03](https://openairdocs.org/ntsb/CHI92DTG03.md): Grumman G-164A · Orr, ND · Accident · No injuries · Final report · Jun 24, 1992 · N9935 · Substantial damage
  > A stall encountered during the spray run reversal turn. Factors related to the accident are the attempted downwind turn, and insufficient altitude for recovery.

Next page: https://openairdocs.org/ntsb.md?engine=52008&page=11

## 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 ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&page=10

---
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.