# 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 5 of 38 · 1,867 cases

## Cases, newest first

- [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 DFW07CA131](https://openairdocs.org/ntsb/DFW07CA131.md): Grumman G-164A · Okarche, OK · Accident · No injuries · Data collection · Final report · Jun 9, 2007 · N48613 · Substantial damage
  > The pilot's failure to maintain clearance from an unmarked light fixture.
- [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 CHI07CA161](https://openairdocs.org/ntsb/CHI07CA161.md): Weatherly 201C · Mc Clusky, ND · Accident · No injuries · Data collection · Final report · Jun 5, 2007 · N1246W · Substantial damage
  > The pilot's failure to check for fuel contamination during the preflight inspection, which resulted in a loss of engine power shortly after takeoff due to water contamination. Contributing factors to the accident included the rough/uneven field and the…
- [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 MIA07CA100](https://openairdocs.org/ntsb/MIA07CA100.md): Hillery W. Grice Alley Cat 1 · Fairhope, AL · Accident · Serious injuries · Data collection · Final report · May 19, 2007 · N985GC · Substantial damage
  > The failure of the pilot-in-command to maintain terrain clearance while completing a loop at an airshow, resulting in impact with the runway.
- [NTSB LAX07LA079](https://openairdocs.org/ntsb/LAX07LA079.md): Waco UPF-7 · Palos Verdes, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 3, 2007 · N30140 · 2 aircraft · Substantial damage
  > the failure of both pilots to maintain adequate visual lookout and clearance from each other while maneuvering in close proximity.
- [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 ANC06FA131](https://openairdocs.org/ntsb/ANC06FA131.md): de Havilland DHC-2 · Skwentna, AK · Accident · 2 fatal · Field investigation · Final report · Sep 16, 2006 · N836KA · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain. A factor associated with the accident was a low cloud ceiling.
- [NTSB CHI06CA225](https://openairdocs.org/ntsb/CHI06CA225.md): Weatherly 620B · Sioux Center, IA · Accident · No injuries · Data collection · Final report · Aug 8, 2006 · N9012P · Substantial damage
  > The pilot's mismanagement of the fuel system which resulted in the loss of engine power due to fuel starvation and his failure to maintain aircraft control during the subsequent forced landing. A factor to the accident was the soybean crop.
- [NTSB ANC06LA112](https://openairdocs.org/ntsb/ANC06LA112.md): Beech BE-18 · Culebra, PR · Accident · No injuries · Limited investigation · Final report · Aug 8, 2006 · N498BH · Substantial damage
  > A loss of engine power due to fuel starvation/exhaustion in all engines for an undetermined reason during cruise flight, which resulted in a forced landing and ditching.
- [NTSB ANC06LA109](https://openairdocs.org/ntsb/ANC06LA109.md): de Havilland DHC-2 MK.1 · Anaktuvuk Pass, AK · Accident · No injuries · Limited investigation · Final report · Aug 2, 2006 · N4040W · Substantial damage
  > The pilot's failure to abort the takeoff at his predetermined reference point, which resulted in a collision with the shore during takeoff-initial climb, and structural damage to the airplane.
- [NTSB CHI06CA162](https://openairdocs.org/ntsb/CHI06CA162.md): Weatherly 201B · Bowbells, ND · Accident · Minor injuries · Data collection · Final report · Jun 22, 2006 · N1263W · Substantial damage
  > The pilot's failure to maintain clearance to the rising terrain while maneuvering during the agricultural application flight. Contirbuting factors were the low altitude operation and the rising terrain.
- [NTSB CHI06LA147](https://openairdocs.org/ntsb/CHI06LA147.md): Allied Ag Cat Productions G-164A · Gonvick, MN · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 2006 · N600T · Substantial damage
  > The aborted takeoff not performed by the pilot. A contributing factor is the reported loss of takeoff performance.
- [NTSB NYC06LA142](https://openairdocs.org/ntsb/NYC06LA142.md): Weatherly 201B · Southampton, NJ · Accident · Minor injuries · Limited investigation · Final report · May 31, 2006 · N1281W · Substantial damage
  > The failure of the engine's supercharger, which resulted in a loss of engine power, and subsequent forced landing.
- [NTSB LAX06LA169](https://openairdocs.org/ntsb/LAX06LA169.md): Grumman G-164B · Tracy, CA · Accident · No injuries · Limited investigation · Final report · May 15, 2006 · N8981H · Substantial damage
  > loss of power for undetermined reasons.
- [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 DFW06CA113](https://openairdocs.org/ntsb/DFW06CA113.md): Grumman-Schweizer G-164B · De Witt, AR · Accident · Minor injuries · Data collection · Final report · Apr 28, 2006 · N48717 · Destroyed
  > The pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds.
- [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 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 DFW05CA236](https://openairdocs.org/ntsb/DFW05CA236.md): Grumman G-164B · Epps, LA · Accident · Serious injuries · Data collection · Final report · Sep 14, 2005 · N6667Q · Substantial damage
  > The pilot's failure to maintain clearance with the power lines.
- [NTSB CHI05CA256](https://openairdocs.org/ntsb/CHI05CA256.md): Boeing A75N1 · Ellisville, IL · Accident · No injuries · Data collection · Final report · Sep 7, 2005 · N52551 · Substantial damage
  > The loss of engine power due to the failure of the number four connecting rod. A factor to the accident was the soybean crop.
- [NTSB ANC05CA137](https://openairdocs.org/ntsb/ANC05CA137.md): deHavilland DHC-2 · Igiugig, AK · Accident · No injuries · Data collection · Final report · Sep 7, 2005 · N199BM · Substantial damage
  > The pilot's delay in aborting the takeoff run when he was unable to lift one float off the water, which resulted in a subsequent collision with terrain. A factor contributing to the accident was a river bank.
- [NTSB DFW05CA212](https://openairdocs.org/ntsb/DFW05CA212.md): Grumman G164B · Alexandria, LA · Accident · No injuries · Data collection · Final report · Aug 16, 2005 · N6903K · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude.
- [NTSB CHI05LA214](https://openairdocs.org/ntsb/CHI05LA214.md): Grumman G-164 · Marshalltown, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2005 · N636U · Substantial damage
  > The loss of engine power for an undetermined reason. A factor was the corn crop.
- [NTSB CHI05LA213](https://openairdocs.org/ntsb/CHI05LA213.md): Weatherly 620-B · Osage, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 6, 2005 · N6305W · Destroyed
  > The partial loss of engine power for an undetermined reason. Contributing factors were the wires and the trees.
- [NTSB SEA05FA158](https://openairdocs.org/ntsb/SEA05FA158.md): Cessna 150M · Renton, WA · Accident · 2 fatal · Field investigation · Final report · Aug 5, 2005 · N66234 · 2 aircraft · Destroyed
  > The failure of the DHC-2 Beaver pilot to understand air traffic advisory information and the failure of the Cessna pilot to maintain visual separation, resulting in a midair collision. A factor contributing to the accident was the inadequate traffic advisory…
- [NTSB IAD05LA114](https://openairdocs.org/ntsb/IAD05LA114.md): Convair BT-13A · Lyme, NH · Accident · 2 fatal · Limited investigation · Final report · Aug 3, 2005 · N49646 · Destroyed
  > The pilot's improper fuel management which resulted in an incorrect fuel selector position, fuel starvation, and subsequent loss of engine power. A factor in the accident was the pilot's failure to maintain adequate airspeed and inadvertent stall.
- [NTSB CHI05WA182](https://openairdocs.org/ntsb/CHI05WA182.md): Waco UPF-7 · Moose Jaw, Canada · Accident · 2 fatal · Foreign investigation · Jul 10, 2005 · N2369Q · 2 aircraft · Destroyed
- [NTSB CHI05LA176](https://openairdocs.org/ntsb/CHI05LA176.md): Schweizer G-164B · Buxton, ND · Accident · No injuries · Limited investigation · Final report · Jul 7, 2005 · N6631Q · Substantial damage
  > A loss of engine power on takeoff due to undetermined reasons. A factor was the ditch that the airplane contacted during the forced landing.
- [NTSB SEA05CA132](https://openairdocs.org/ntsb/SEA05CA132.md): Weatherly 620B · Teton, ID · Accident · No injuries · Data collection · Final report · Jun 25, 2005 · N2021V · Substantial damage
  > The pilot's failure to maintain clearance from power transmission lines while maneuvering.
- [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 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 LAX05LA152](https://openairdocs.org/ntsb/LAX05LA152.md): Grumman G-164A · Yuba City, CA · Accident · No injuries · Limited investigation · Final report · Apr 30, 2005 · N5304 · Substantial damage
  > a partial loss of engine power due to multiple cracks in the number 7 cylinder. The reasons for the cracks were not determined
- [NTSB CHI05LA104](https://openairdocs.org/ntsb/CHI05LA104.md): Weatherly 620B · Downs, KS · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2005 · N9026F · Substantial damage
  > The loss of engine power due to the failure of the number two cylinder which was the result of the maintenance facility's failure to detect the fatigue crack in the number two cylinder during the engine overhaul. A factor to the accident was the soft field.
- [NTSB ANC05TA058](https://openairdocs.org/ntsb/ANC05TA058.md): de Havilland DHC-2 · Talkeetna, AK · Accident · Minor injuries · Final report · Apr 15, 2005 · N8190Y · Substantial damage
  > The pilot's selection of unsuitable terrain for taxi after landing, which resulted in the collapse of the main landing gear and structural damage to the right wing and forward fuselage. A factor associated with the accident was the rough and uneven terrain.
- [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 ANC05LA046](https://openairdocs.org/ntsb/ANC05LA046.md): de Havilland DHC-2 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Mar 7, 2005 · N3307S · Substantial damage
  > Aerodynamic flutter of the ailerons during normal cruise flight due to their improper maintenance/balancing, which resulted in structural damage to the airplane's wings.
- [NTSB MIA05LA062](https://openairdocs.org/ntsb/MIA05LA062.md): Howard DGA-15 · Daytona Beach, FL · Accident · No injuries · Limited investigation · Final report · Feb 22, 2005 · N68431 · Substantial damage
  > Maintenance personnel failure to detect corrosion in the landing gear strut, resulting in the gear collapsing during landing and damage to the airplane.
- [NTSB IAD05LA038](https://openairdocs.org/ntsb/IAD05LA038.md): Grumman G-21A · Penn Yan, NY · Accident · Minor injuries · Limited investigation · Final report · Feb 15, 2005 · N327 · Destroyed
  > The flight instructor's inadequate planning/decision and his remedial action to conduct or recover from a simulated emergency procedure.
- [NTSB LAX04FA330](https://openairdocs.org/ntsb/LAX04FA330.md): Bushmaster 2000 · Fullerton, CA · Accident · Serious injuries · Field investigation · Final report · Sep 25, 2004 · N750RW · Destroyed
  > the inadequate preflight inspection by the pilot-in-command, where the pilot failed to remove the makeshift gust lock attached to the rudder and left elevator of the airplane. As a result, the airplane veered off the runway surface during the takeoff roll,…
- [NTSB ANC04CA114](https://openairdocs.org/ntsb/ANC04CA114.md): de Havilland DHC-2 · Willow, AK · Accident · No injuries · Data collection · Final report · Sep 25, 2004 · N1018D · Substantial damage
  > The pilot's selection of an unsuitable landing area, which resulted in an on-ground collision with trees during the landing roll. A factor associated with the accident were trees.
- [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 ANC04LA097](https://openairdocs.org/ntsb/ANC04LA097.md): de Havilland DHC-2 · Kodiak, AK · Accident · No injuries · Limited investigation · Final report · Aug 26, 2004 · N49GB · Substantial damage
  > The pilot's failure to abort the takeoff, which resulted in a collision with a river bank during the takeoff run.
- [NTSB CHI04LA220](https://openairdocs.org/ntsb/CHI04LA220.md): Allied Ag Cat Productions G-164B · Moville, IA · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 2004 · N48424 · Destroyed
  > The pilot's inadequate in-flight planning/decision by his failure to maintain obstacle clearance. Contributing factors were low altitude flying and the tree.
- [NTSB CHI04LA217](https://openairdocs.org/ntsb/CHI04LA217.md): Grumman G-164-B · Bradford, IL · Accident · No injuries · Limited investigation · Final report · Aug 6, 2004 · N6677Q · Substantial damage
  > The pilot's misjudgment of speed and distance, and his failure to perform a go-around. Additional factors were the wet runway and the ditch.
- [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 SEA04LA139](https://openairdocs.org/ntsb/SEA04LA139.md): Grumman G-164A · Nyssa, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 23, 2004 · N7220 · Substantial damage
  > The failure (fracture) of the number four cylinder head during an aerial application run. Factors include the soft crop-covered terrain.
- [NTSB CHI04LA184](https://openairdocs.org/ntsb/CHI04LA184.md): Grumman G-164B · York, NE · Accident · Serious injuries · Limited investigation · Final report · Jul 16, 2004 · N48675 · Destroyed
  > A loss of engine power for undetermined reasons. Contributing to the accident were the low altitude at the time of power loss and the unsuitable landing area encountered during the forced landing.

Next page: https://openairdocs.org/ntsb.md?engine=52008&page=6

## 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=5

---
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.