# NTSB investigations: Pratt & Whitney R-985 series: Loss of control - on ground/water

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 · 103 cases

## Latest cases

- [NTSB CHI07CA210](https://openairdocs.org/ntsb/CHI07CA210.md): Boeing A-75N1 · Oelwein, IA · Accident · No injuries · Data collection · Final report · Jul 14, 2007 · N7034Y · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during a landing roll. Factors associated with the accident was the gusty crosswind condition and the corn crop.
- [NTSB ANC07CA053](https://openairdocs.org/ntsb/ANC07CA053.md): Grumman G21A · Dutch Harbor, AK · Accident · No injuries · Data collection · Final report · Jun 24, 2007 · N7811 · Substantial damage
  > The pilot's inadequate compensation for wind conditions during the takeoff roll, which resulted in a loss of directional control and a nose over.
- [NTSB SEA07CA169](https://openairdocs.org/ntsb/SEA07CA169.md): Boeing Stearman A75N1 · Coeur d'Alene, ID · Accident · No injuries · Data collection · Final report · Jun 8, 2007 · N450SS · Substantial damage
  > The pilot's failure to maintain directional control during landing. The crosswind condition was a contributing factor.
- [NTSB CHI06CA272](https://openairdocs.org/ntsb/CHI06CA272.md): Boeing A75N1 · Garrettsville, OH · Accident · No injuries · Data collection · Final report · Sep 26, 2006 · N985BC · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll. The bush and tree were factors to the accident.
- [NTSB MIA06CA099](https://openairdocs.org/ntsb/MIA06CA099.md): Howard DGA-15P · Merritt Island, FL · Accident · No injuries · Data collection · Final report · Apr 28, 2006 · N95462 · Substantial damage
  > The failure of the pilot to comply with the before landing checklist for his failure to lock the tailwheel.
- [NTSB DEN06CA047](https://openairdocs.org/ntsb/DEN06CA047.md): Boeing D75N1 · Santa Teresa, NM · Accident · Minor injuries · Data collection · Final report · Mar 8, 2006 · N59496 · Substantial damage
  > the pilot's failure to maintain directional control during the landing. Contributing factors include the high airspeed, the improper recovery from a bounced landing, the crosswind, and the soft dirt.
- [NTSB ANC05LA082](https://openairdocs.org/ntsb/ANC05LA082.md): deHavilland DHC-2 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Jun 10, 2005 · N43446 · Substantial damage
  > The pilot's failure to correct for torque/P-Factor during the takeoff run, and his delay in aborting the takeoff, which resulted in a loss of directional control and subsequent wing collision with the surface of the water. A factor contributing to the…
- [NTSB DFW05CA084](https://openairdocs.org/ntsb/DFW05CA084.md): Grumman G-164A · Gilbert, LA · Accident · No injuries · Data collection · Final report · Mar 10, 2005 · N5327 · Substantial damage
  > The pilot's failure to maintain control of the airplane during landing. A contributing factor was a deflated right main tire.
- [NTSB CHI04CA244](https://openairdocs.org/ntsb/CHI04CA244.md): Beech BE-18 · Lakeville, MN · Accident · Minor injuries · Data collection · Final report · Aug 29, 2004 · N5180V · Substantial damage
  > The pilot's inadequate flare, the improper recovery from a bounced landing, the loss of directional control, and inadequate compensation for the crosswind. A factor was the crosswind.
- [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 LAX04CA258](https://openairdocs.org/ntsb/LAX04CA258.md): Boeing A 75N1 · Auburn, CA · Accident · No injuries · Data collection · Final report · Jul 11, 2004 · N56416 · Substantial damage
  > the pilot undergoing instruction's overcontrol of the aircraft by his excessive use of the rudder control and failure to maintain directional control of the airplane during landing, which resulted in a ground loop. Contributing factors to the accident were…
- [NTSB ANC04LA038](https://openairdocs.org/ntsb/ANC04LA038.md): Grumman G21 · Unalaska, AK · Accident · No injuries · Limited investigation · Final report · Apr 5, 2004 · N22932 · Substantial damage
  > The inadvertent ground loop/swerve by the second pilot during the landing roll, and the first (check) pilot's inadequate supervision of the second pilot, which resulted in a loss of control and substantial damage to the airplane. Factors associated with the…
- [NTSB LAX03LA195](https://openairdocs.org/ntsb/LAX03LA195.md): Boeing Stearman E75 · Casa Grande, AZ · Accident · No injuries · Limited investigation · Final report · Jun 12, 2003 · N6030V · Substantial damage
  > The pilot's inadequate compensation for the wind conditions, and his failure to maintain aircraft control resulting in an inadvertent ground loop.
- [NTSB LAX03LA064](https://openairdocs.org/ntsb/LAX03LA064.md): Waco SRE · Prescott, AZ · Accident · Minor injuries · Limited investigation · Final report · Jan 10, 2003 · N1252W · Substantial damage
  > The pilot's failure to maintain directional control during landing resulting in a collision with a runway sign. Factors in the accident were the tailwind and the malfunctioning brake system.
- [NTSB DEN02LA091](https://openairdocs.org/ntsb/DEN02LA091.md): Boeing D75N1 · Watkins, CO · Accident · No injuries · Limited investigation · Final report · Aug 13, 2002 · N64796 · Substantial damage
  > the pilot's improper recovery from a bounced landing, resulting in an inadvertent ground loop. A contributing factor was the flight instructor's inadequate supervision of the pilot.
- [NTSB LAX02LA125](https://openairdocs.org/ntsb/LAX02LA125.md): Schweizer G-164B · Dixon, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2002 · N48631 · Substantial damage
  > The pilot lost directional control due to the unsuitable landing area. A contributing factor was the muddy runway condition.
- [NTSB CHI01LA134](https://openairdocs.org/ntsb/CHI01LA134.md): Air Tractor G-164A · Casselton, ND · Accident · No injuries · Limited investigation · Final report · May 16, 2001 · N970X · Substantial damage
  > The pilot's failure to maintain directional control of the airplane while recovering from a bounced landing. A factor was the collapse of the right main landing gear.
- [NTSB MIA01LA105](https://openairdocs.org/ntsb/MIA01LA105.md): Grumman G-164B · Dyer, TN · Accident · No injuries · Limited investigation · Final report · Mar 27, 2001 · N6552K · Substantial damage
  > The improper installation of the main landing gear tire (pinched tube) by company maintenance personnel resulting in a total loss of air pressure in-flight, loss of directional control on landing roll, and subsequent nose down.
- [NTSB SEA00LA159](https://openairdocs.org/ntsb/SEA00LA159.md): Boeing E75 · Mcminnville, OR · Accident · No injuries · Limited investigation · Final report · Aug 15, 2000 · N450UR · Substantial damage
  > The disconnection of the left tailwheel control cable spring resulting in the positioning of the tailwheel in a right turn condition.
- [NTSB ANC00LA098](https://openairdocs.org/ntsb/ANC00LA098.md): de Havilland DHC-2 · King Salmon, AK · Accident · No injuries · Limited investigation · Final report · Jul 26, 2000 · N444EF · Substantial damage
  > The pilot's inadequate compensation for crosswind conditions.
- [NTSB ANC00LA091](https://openairdocs.org/ntsb/ANC00LA091.md): de Havilland DHC-2 · Big Lake, AK · Accident · No injuries · Limited investigation · Final report · Jul 17, 2000 · N345KA · Substantial damage
  > The pilot's inadequate compensation for the wind conditions. A factor associated with the accident was a crosswind.
- [NTSB FTW00LA167](https://openairdocs.org/ntsb/FTW00LA167.md): Grumman-Schweizer G164B · Natchitoches, LA · Accident · No injuries · Limited investigation · Final report · Jun 1, 2000 · N48723 · Destroyed
  > The failure of the pilot to maintain directional control during the landing roll, which resulted in a ground loop. A factor was the crosswind.
- [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 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 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 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 ANC98LA157](https://openairdocs.org/ntsb/ANC98LA157.md): de Havilland DHC-2 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Sep 19, 1998 · N700NL · Substantial damage
  > The pilot's inadequate compensation for the gusty wind conditions, and his attempted flight into adverse weather. Factors associated with the accident are high and gusty winds.
- [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 CHI97LA242](https://openairdocs.org/ntsb/CHI97LA242.md): Boeing B75N1 · Lone Rock, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 1997 · N75939 · Substantial damage
  > a locked right brake which resulted in the pilot's inability to maintain direction control of the airplane during the landing roll.
- [NTSB CHI97LA184](https://openairdocs.org/ntsb/CHI97LA184.md): Weatherly 201C · Buffalo, ND · Accident · Minor injuries · Limited investigation · Final report · Jun 25, 1997 · N1299W · Substantial damage
  > the pilot's inadequate preflight planning/preparation, and his failure to maintain directional control of the airplane. Water on the runway and the soft terrain were related factors.
- [NTSB LAX97LA201](https://openairdocs.org/ntsb/LAX97LA201.md): Boeing Stearman A75N1 · Lemoore, CA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1997 · N450MF · Substantial damage
  > failure of the pilot to maintain directional control of the airplane during the landing, which resulted in a ground swerve and subsequent overload failure of the main landing gear. Related factors were a left crosswind and partial loss of the right wheel…
- [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 LAX97LA130](https://openairdocs.org/ntsb/LAX97LA130.md): Boeing Stearman B75N1 · Victorville, CA · Accident · No injuries · Limited investigation · Final report · Mar 21, 1997 · N68800 · Substantial damage
  > failure of the pilot to maintain directional control of the aircraft during the landing rollout.
- [NTSB CHI96LA243](https://openairdocs.org/ntsb/CHI96LA243.md): Beech C-45H · Marshall, MI · Accident · No injuries · Limited investigation · Final report · Jul 14, 1996 · N9772Z · Substantial damage
  > failure of the pilot to maintain directional control during the takeoff roll, which resulted in an inadvertent ground swerve. The crosswind (quartering headwind) was a related factor.
- [NTSB FTW96LA211](https://openairdocs.org/ntsb/FTW96LA211.md): Boeing E75 · Taos, NM · Accident · No injuries · Limited investigation · Final report · May 11, 1996 · N4787V · Substantial damage
  > the pilot's failure to maintain directional control. A factor was the dust devil.
- [NTSB FTW95LA341](https://openairdocs.org/ntsb/FTW95LA341.md): Boeing B75N1 · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Aug 14, 1995 · N735YP · Substantial damage
  > Failure by the pilot to maintain directional control which resulted in a ground loop. A factor was crosswind.
- [NTSB LAX95LA350](https://openairdocs.org/ntsb/LAX95LA350.md): Boeing B75-A75N1 · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1995 · N54284 · Substantial damage
  > the pilot's failure to maintain directional control during landing rollout. Factors which contributed to the loss of control were: the pilot's total lack of experience landing the conventional gear airplane in a crosswind condition, and the crosswind.
- [NTSB CHI94LA320](https://openairdocs.org/ntsb/CHI94LA320.md): Weatherly 201C · Stephen, MN · Accident · Serious injuries · Limited investigation · Final report · Sep 11, 1994 · N9054W · Substantial damage
  > improper rigging of the parking brake control cable resulting in inadvertent application of the left wheel brake.
- [NTSB ATL94LA153](https://openairdocs.org/ntsb/ATL94LA153.md): Naval Aircraft Factory N3N-3 · Beaufort, SC · Accident · No injuries · Limited investigation · Final report · Aug 10, 1994 · N44970 · Substantial damage
  > The pilot's improper use of the rudder during landing.
- [NTSB SEA94LA192](https://openairdocs.org/ntsb/SEA94LA192.md): Grumman G-21A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · Jul 22, 1994 · N327 · Substantial damage
  > The pilot-in-command's failure to maintain directional control during landing.
- [NTSB SEA94LA193](https://openairdocs.org/ntsb/SEA94LA193.md): Grumman G-164B · Wilder, ID · Accident · No injuries · Limited investigation · Final report · Jul 19, 1994 · N48571 · Substantial damage
  > The failure of the left brake master cylinder and the pilot's inadequate remedial action when the aircraft collided with an embankment during an intentional ground loop.
- [NTSB CHI94DTG01](https://openairdocs.org/ntsb/CHI94DTG01.md): Grumman G-164-A · La Moure, ND · Accident · No injuries · Final report · May 26, 1994 · N5277 · Substantial damage
  > failure of the pilot to maintain directional control.
- [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 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 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 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 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 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 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.

Next page: https://openairdocs.org/ntsb.md?engine=52008&occurrence=260&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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52008')
    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" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&occurrence=260

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