# NTSB investigations: Pratt & Whitney R-985 series, 1999

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 NYC00LA009](https://openairdocs.org/ntsb/NYC00LA009.md): Grumman G164 · Burkittsville, MD · Accident · Minor injuries · Limited investigation · Final report · Oct 9, 1999 · N7856 · Substantial damage
  > The vehicle drivers inadequate lookout.
- [NTSB SEA00FA001](https://openairdocs.org/ntsb/SEA00FA001.md): de Havilland DHC-2 Mark 1 · Port Blakely, WA · Accident · Minor injuries · Field investigation · Final report · Oct 1, 1999 · N9766Z · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance from trees/terrain. Contributing factors were rising terrain and trees.
- [NTSB ATL99LA133](https://openairdocs.org/ntsb/ATL99LA133.md): Grumman-Schweizer G-164B · Enterprise, AL · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1999 · N6736Q · Destroyed
  > The loss of engine power for undetermined reasons. Contributing to the severity of the accident was the in-flight collision with a tree during the forced landing.
- [NTSB ANC99LA124](https://openairdocs.org/ntsb/ANC99LA124.md): de Havilland DHC-2 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Aug 25, 1999 · N930TG · Substantial damage
  > The pilot's selection of an unsuitable takeoff area, and an inadvertent stall. Factors associated with the accident were large wave/swells, and low light conditions (dawn).
- [NTSB CHI99LA262](https://openairdocs.org/ntsb/CHI99LA262.md): Beech C-45H · Grain Valley, MO · Accident · No injuries · Limited investigation · Final report · Jul 28, 1999 · N72409 · Substantial damage
  > the failure of the pilot to use the tailwheel lock on takeoff, creating a condition where it was not possible for the pilot to maintain directional control. Factors were the unlocked tailwheel and the ditch.
- [NTSB DEN99LA129](https://openairdocs.org/ntsb/DEN99LA129.md): Boeing A-75-N1 (Stearman) · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Jul 26, 1999 · N56772 · Substantial damage
  > The failure of the right main landing gear tire's inner tube, and the subsequent inadvertent ground loop by the pilot.
- [NTSB SEA99LA127](https://openairdocs.org/ntsb/SEA99LA127.md): Beech D17S · Arco, ID · Accident · No injuries · Limited investigation · Final report · Jul 24, 1999 · N217SD · Substantial damage
  > Fuel starvation which resulted in a loss of power. The pilot's improper management of fuel was a factor.
- [NTSB CHI99LA254](https://openairdocs.org/ntsb/CHI99LA254.md): Beech G18S · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Jul 23, 1999 · N621KE · Substantial damage
  > the premature gear retraction and proper runway alignment not maintained during takeoff by the pilot. An additional cause was the proper descent rate not maintained by the pilot. Contributing factors were the carburetor icing conditions
- [NTSB FTW99LA182](https://openairdocs.org/ntsb/FTW99LA182.md): Grumman G-164B · Iowa, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 1999 · N6703Q · Substantial damage
  > The pilot's failure to maintain clearance with the crops being sprayed. A factor was the pilot's diverted attention.
- [NTSB CHI99LA214](https://openairdocs.org/ntsb/CHI99LA214.md): Weatherly 620B · Timber Lake, SD · Accident · No injuries · Limited investigation · Final report · Jul 6, 1999 · N350WR · Substantial damage
  > the pilots selection of the shorter runway and his failure to abort the takeoff. Factors to the accident were the high density altitude, the fence and the fence posts.
- [NTSB SEA99LA079](https://openairdocs.org/ntsb/SEA99LA079.md): Snow S2C · Paul, ID · Accident · No injuries · Limited investigation · Final report · Jun 1, 1999 · N1665S · Substantial damage
  > The pilot's inaccurate weight and balance calculations, and his delay in jettisoning the load which resulted in his failure to clear rising terrain. Contributing to the accident was the high density altitude, and the pilot's intentional operation with known…
- [NTSB FTW99FA150](https://openairdocs.org/ntsb/FTW99FA150.md): Grumman-Schweizer G164-B · Brinkley, AR · Accident · 1 fatal · Field investigation · Final report · May 26, 1999 · N8285K · Destroyed
  > The pilot's inadvertent VFR flight into instrument meteorological conditions. Contributing factors were the pilots failure to maintain control of the aircraft, spatial disorientation, and the fog.
- [NTSB NYC99LA119](https://openairdocs.org/ntsb/NYC99LA119.md): Howard DGA-15P · Covington, KY · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N79M · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff/initial climb. A factor in the accident was the crosswind 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 CHI99LA162](https://openairdocs.org/ntsb/CHI99LA162.md): Grumman-Schweizer G-164B · Buxton, ND · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N6524K · Substantial damage
  > the number one cylinder's separation, the pilot's visual lookout not possible through the oil given off by the number one cylinder, and the embankment. A factor in the accident was the oil.
- [NTSB FTW99FA148](https://openairdocs.org/ntsb/FTW99FA148.md): Beech C18S · Waldron, AR · Accident · 1 fatal · Field investigation · Final report · May 24, 1999 · N9729H · Destroyed
  > the separation of a propeller blade in cruise flight as a result of fatigue cracking emanating from surface corrosion pitting.
- [NTSB SEA99LA065](https://openairdocs.org/ntsb/SEA99LA065.md): Boeing Stearman 1B75A · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Apr 30, 1999 · N56208 · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions. A factor contributing to the accident was a crosswind during the landing roll out.
- [NTSB FTW99LA101](https://openairdocs.org/ntsb/FTW99LA101.md): Grumman G-164B · Jennings, LA · Accident · No injuries · Limited investigation · Final report · Mar 26, 1999 · N6758Q · Substantial damage
  > The pilot's inadvertent stall during the departure turn to downwind. A factor was the tailwind.
- [NTSB MIA99FA114](https://openairdocs.org/ntsb/MIA99FA114.md): Grumman G-21A · Lauderdale Lake, FL · Accident · 1 fatal · Field investigation · Final report · Mar 25, 1999 · N5548A · Destroyed
  > The pilots failure to correctly identify an in-flight emergency (fluctuating manifold pressure and rpm due to a disconnected spark plug lead / unscrewed ignition lead shroud) and failure to complete the engine shutdown procedure once it was initiated…
- [NTSB CHI99FA105](https://openairdocs.org/ntsb/CHI99FA105.md): Beech C-45G · Romulus, MI · Accident · 1 fatal · Field investigation · Final report · Mar 11, 1999 · N234L · Destroyed
  > the aircraft control not maintained and the inadvertent stall by the pilot while maneuvering to the landing area. The open door was a contributing factor.
- [NTSB MIA99FA095](https://openairdocs.org/ntsb/MIA99FA095.md): Beech AT11/18 · Tampa, FL · Accident · 2 fatal · Field investigation · Final report · Feb 27, 1999 · N65860 · Destroyed
  > the pilot's failure to maintain control of the airplane resulting in an inadvertent stall at too low an altitude to allow for recovery.
- [NTSB CHI99LA063](https://openairdocs.org/ntsb/CHI99LA063.md): Beech BE-C-45H · St. Joseph, MO · Accident · No injuries · Limited investigation · Final report · Jan 11, 1999 · N165ZA · Substantial damage
  > the pilot not maintaining directional control during the landing rollout. A factor in this accident was the patchy snow on the runway.
- [NTSB LAX99LA070](https://openairdocs.org/ntsb/LAX99LA070.md): Avions Max Holste MH 1521 Broussard · Minden, NV · Accident · No injuries · Limited investigation · Final report · Jan 1, 1999 · N4022 · Substantial damage
  > The pilot's failure to maintain proper runway alignment during a rejected takeoff. A factor in the accident was the undetermined pitch control/trim system problem, which led to the pilot's rejected takeoff decision and may have distracted him during attempts…

## 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") = 1999
  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=1999

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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.