# NTSB investigations: Pratt & Whitney R-985 series, 1993

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 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.

## 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") = 1993
  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&year=1993

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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.