# NTSB investigations: Pratt & Whitney R1340 series, 1985

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 FTW86FRD01](https://openairdocs.org/ntsb/FTW86FRD01.md): North American AT6G · Jennings, LA · Accident · No injuries · Final report · Oct 19, 1985 · N104DC · Substantial damage
  > The acft contacted a ditch and nosed down during an overrun landing. The acft was in a flt of 3 AT6'S landing at the arpt for a fly-in. N104DC touched down on the 2000 ft freshly mowed grass strip aprx 500 to 600 ft from the end. The plt stated the…
- [NTSB CHI85FER02](https://openairdocs.org/ntsb/CHI85FER02.md): Grumman 164A · Becker, MN · Accident · No injuries · Final report · Sep 18, 1985 · N48405 · Substantial damage
  > The plt reported the eng pwr dropped from 2000 to 1550 RPM during the aerial application flt. The plt increased throttleand advanced the prop with no increase in pwr. The acft then settled to ground impact and nosed over. Post accident inspection disclosed…
- [NTSB LAX85IA396](https://openairdocs.org/ntsb/LAX85IA396.md): North American SNJ-4 · Reno, NV · Incident · No injuries · Incident investigation · Final report · Sep 12, 1985 · N86WW · Minor damage
  > The pilot experienced a 'severe vibration' and made an emergency landing during a heat race at the national championship air races. Subsequent examination revealed that a propeller blade pitch change bolt, p/n 53546, had failed, allowing one propeller blade…
- [NTSB CHI85LA373](https://openairdocs.org/ntsb/CHI85LA373.md): Schweizer G-164A · Irwin, OH · Accident · No injuries · Limited investigation · Final report · Sep 11, 1985 · N48514 · Destroyed
  > At an alt of aprx 20 ft AGL after takeoff, the #1 cylinder failed. A straight ahead landing was made in a corn field during which the acft was destroyed. The eng had under gone a major overhaul 197 hrs prior to this accident.
- [NTSB ATL85LA269](https://openairdocs.org/ntsb/ATL85LA269.md): Grumman G-164A · Tunica, MS · Accident · No injuries · Limited investigation · Final report · Sep 6, 1985 · N9893 · Substantial damage
  > The plt stated that during aerial application maneuver he allowed the airspeed to get too low and the acft settled into a soy bean field. The left wing contacted the crop and the acft cartwheeled.
- [NTSB FTW85LRA04](https://openairdocs.org/ntsb/FTW85LRA04.md): Rockwell S2R-600 · Rosharon, TX · Accident · Minor injuries · Final report · Aug 30, 1985 · N4012P · Substantial damage
  > The plt reported the acft contacted the ground after the left boom caught weeds during a spray run.
- [NTSB CHI85LA360](https://openairdocs.org/ntsb/CHI85LA360.md): Schweizer G164A "450" · Constantine, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1985 · N8444K · Substantial damage
  > The acft nosed over during a forced landing in a corn fld. The plt stated that at 30 ft AGL during his second swath run the eng backfired and lost pwr. He attempted to dump the load however, the acft continued to loose alt and the forced landing resulted.…
- [NTSB FTW85FA335](https://openairdocs.org/ntsb/FTW85FA335.md): North American British Harvard Mkii · Ada, OK · Accident · 2 fatal · Field investigation · Final report · Aug 28, 1985 · N711XX · Destroyed
  > Two fully qualified single engine plts were in the acft at the time of the accidnet. The acft was observed making low passes near the airport after takeoff. One plt's mother lived near the accident site. The acft was in a steep banked right turn when the…
- [NTSB LAX85LA374](https://openairdocs.org/ntsb/LAX85LA374.md): Air Tractor AT301 · Williams Afb, AZ · Accident · No injuries · Limited investigation · Final report · Aug 27, 1985 · N3168U · Substantial damage
  > After making his first swath run,during the hours of darkness,the pilot became disorented and flew into an area with tall electrical transmission lines. He descended into trees beneath the lines in his attempt to miss them.
- [NTSB LAX85LA360](https://openairdocs.org/ntsb/LAX85LA360.md): Schweizer G-164B · Tolleson, AZ · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1985 · N6749K · Destroyed
  > According to the pilot,the engine lost partial power while in cruise flt. He selected a cotton field in which to make a precautionary lng. The aircraft over shot the intended landing area and impacted a utility pole. The collision ruptured the fuel system and…
- [NTSB MKC85LA184](https://openairdocs.org/ntsb/MKC85LA184.md): Air Tractor AT301 · Oakley, KS · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 1985 · N8541S · Substantial damage
  > N8541S collided with a fence and crashed while attempting a forced landing. The plt reports that it took longer than expected to dispense his chemical load and he was critically low on fuel when he departed the working area for the arpt. He got to within 2…
- [NTSB SEA85LYA01](https://openairdocs.org/ntsb/SEA85LYA01.md): Rockwell S2R · Caldwell, ID · Accident · No injuries · Final report · Aug 4, 1985 · N5511X · Substantial damage
  > An aero commander S2R had been modified by the installation of an air research TPE-331-43A power plant. During an aerial application flight the pilot heard a loud bang and experienced a loss of power. Investigation revealed the first stage turbine whee, part…
- [NTSB LAX85LA340](https://openairdocs.org/ntsb/LAX85LA340.md): North American T-6G · Tucson, AZ · Accident · No injuries · Limited investigation · Final report · Aug 4, 1985 · N45CT · Substantial damage
  > The tailwheel equipped acft nosed over after the plt lost iirecitional control during lndg. There were no reports of mechanical difficulties or weather facotrs to be considered in the area of cause. The plts flt experience is unknown since repeated attempts…
- [NTSB FTW85LA294](https://openairdocs.org/ntsb/FTW85LA294.md): North American AT-6 · Port Isabel, TX · Accident · No injuries · Limited investigation · Final report · Aug 3, 1985 · N4434N · Substantial damage
  > The acft was substantially damaged when it undershot the runway and cartwheeled during an emergency landing following an engine failure in the traffic pattern. The plt reported that initial examination of the engine revealed that initial examination of the…
- [NTSB MIA85LA222](https://openairdocs.org/ntsb/MIA85LA222.md): Rockwell S-2R · Colquitt, GA · Accident · No injuries · Limited investigation · Final report · Jul 30, 1985 · N3647X · Substantial damage
  > The aircraft was substantially damaged and the pilot uninjured when the aircraft flipped upside down in a field during a forced landing in an open field following engine failure. A post accident examination of the engine revealed the number seven cylinder…
- [NTSB DEN85LA195](https://openairdocs.org/ntsb/DEN85LA195.md): Schweizer G-164B-600 · Riverton, WY · Accident · No injuries · Limited investigation · Final report · Jul 22, 1985 · N6825K · Substantial damage
  > The plt was crop spraying a field in a Schweizer ag-cat acft when the left landing wire broke. The plt returned to Riverton, WY. During the landing roll, in attempt to stop the acft as soon as possible, he inadvertently applied the brakes too hard, causing…
- [NTSB CHI85LA283](https://openairdocs.org/ntsb/CHI85LA283.md): Air Tractor AT301 · Roseau, MN · Accident · No injuries · Limited investigation · Final report · Jul 10, 1985 · N23702 · Substantial damage
  > The aircraft had been airborne about 15 min engaged in ag spray operations when the pilot described hearing a loud band. Engine power decreased to idle. Pilot ld in soft soil and nosed over inverted. Exam disclosed #2 piston had failed.
- [NTSB CHI85LA268](https://openairdocs.org/ntsb/CHI85LA268.md): North American AT-6G · Dixon, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1985 · N29931 · Substantial damage
  > Reportedly, the plt made a touch-&-go landing while following an snj acft. He stated that during the takeoff, the acft had accelerated to 85 mph when he lowered the tail slightly & the acft lifted off normally. He reported that the acft was aprx 4 to 5 ft off…
- [NTSB MKC85LA151](https://openairdocs.org/ntsb/MKC85LA151.md): Aero Commander S2R · Paragould, AR · Accident · No injuries · Limited investigation · Final report · Jul 3, 1985 · N5543X · Substantial damage
  > The acft was being used in aerial application of ordram when engine failed. A hard landing resulted during the forced landing in an open fld. Investigation revealed the float needle seat ass'y backed out of the threads in the main body of the carburetor FAR…
- [NTSB DEN85LA177](https://openairdocs.org/ntsb/DEN85LA177.md): Grumman G-164 · Platte, SD · Accident · No injuries · Limited investigation · Final report · Jul 1, 1985 · N6674K · Substantial damage
  > While the plt was spraying a field, the landing gear of the acft struck the center pivot of an irrigation structure. Later, when the acft was landed, the gear collapsed.
- [NTSB SEA85LA146](https://openairdocs.org/ntsb/SEA85LA146.md): Grumman 164B · Twin Falls, ID · Accident · No injuries · Limited investigation · Final report · Jun 22, 1985 · N6762K · Substantial damage
  > A partial loss of power occurred during aerial application due to a crack around one of the cylinders. While the plt was attempting to dump chemicals, the acft settled onto the ground tearing off the rt main gear. The plt then flew on to Twin Falls to land.…
- [NTSB MKC85LA123](https://openairdocs.org/ntsb/MKC85LA123.md): Grumman G-164A · Paragould, AR · Accident · No injuries · Limited investigation · Final report · Jun 11, 1985 · N48523 · Destroyed
  > Pilot was seeding rice when the engine failed. Pilot attempted forced landing on gravel road and impacted a utility pole before touchdown. Acft destroyed by impact and post impact fire. The reason for the engine failure could not be determined.
- [NTSB MKC85LA125](https://openairdocs.org/ntsb/MKC85LA125.md): Snow AT301 · Marianna, AR · Accident · No injuries · Limited investigation · Final report · Jun 8, 1985 · N5078S · Substantial damage
  > After departing the ag strip the plt rptd a vibrating engine which shook violently until finally quitting. The plt responded with an emergency landing attempt to a plowed bean field. The acft impacted the soft terrain at a high rate of speed where the acft…
- [NTSB MKC85LA107](https://openairdocs.org/ntsb/MKC85LA107.md): Ayres S2R-600 · Harrisburg, AR · Accident · No injuries · Limited investigation · Final report · May 20, 1985 · N4017W · Destroyed
  > Plt reports that the lt wing of N4017N hit a dike in a ricefield while he was making a trim swath. There were no indications of equipment malfunction.
- [NTSB FTW85LRA02](https://openairdocs.org/ntsb/FTW85LRA02.md): Air Tractor AT301 · Anahuac, TX · Accident · Serious injuries · Final report · May 17, 1985 · N1361E · Substantial damage
  > The acft collided with the ground after the engine reportedly lost power for an undetermined reason. Due to the low altitude while applying fertilizer the acft had to be landed in the path of flt.
- [NTSB LAX85LA250](https://openairdocs.org/ntsb/LAX85LA250.md): Rockwell S-2R · Colusa, CA · Accident · No injuries · Limited investigation · Final report · May 9, 1985 · N8929Q · Substantial damage
  > During an ag flight, the eng began to severly backfire & lose power. The plt attempted to make a forced ldg on the nearby duster airstrip but had insufficient altitude to be properly aligned with the rwy. The acft overan the edge of the end disclosed that its…
- [NTSB LAX85FA241](https://openairdocs.org/ntsb/LAX85FA241.md): North American AT6A · Lemoore, CA · Accident · 1 fatal · Field investigation · Final report · May 5, 1985 · N144KM · Destroyed
  > After dropping a parachutist to open an air show the plt's takeoff was delayed by a blown tire on a landing airplane and difficulties with filling his smoke oil tank. After completing about two thirds of his aerobatic routine the plt recovered from a reverse…
- [NTSB SEA85FYM01](https://openairdocs.org/ntsb/SEA85FYM01.md): Air Tractor AT301 · Weston, OR · Accident · Serious injuries · Final report · Apr 30, 1985 · N3652F · Destroyed
  > During this aerial application flight the aircraft clipped a tree and then impacted with the ground. The pilot was seriously injured when the stitching on the shoulder harness failed and the pilot was thrown forward.
- [NTSB MIA85IA155](https://openairdocs.org/ntsb/MIA85IA155.md): Grumman G-73-T · St. Croix · Incident · Minor injuries · Incident investigation · Final report · Apr 24, 1985 · N632SS · Minor damage
  > While on an FAA observed proving flight, water take off, the left propeller electrical terminal failed. The part then penetrated the left forward passenger window and struck the FAA observer causing minor injury. The plastic part failed in over load due to…
- [NTSB ATL85LKG04](https://openairdocs.org/ntsb/ATL85LKG04.md): Aero Commander S2R · Leslie, GA · Accident · No injuries · Final report · Apr 10, 1985 · N8834Q · Destroyed
  > The acft lost power en route to spray crops & crash landed in a wooded area. The acft had flown only 2 miles when the power loss occurred. During the post accident investigation an exam of the powerplant & systems revealed that the supercharger had a loose…
- [NTSB FTW85LA162](https://openairdocs.org/ntsb/FTW85LA162.md): North American AT-6G · Frederick, OK · Accident · No injuries · Limited investigation · Final report · Mar 23, 1985 · N9035Z · Substantial damage
  > The passenger heard a loud mechanical noise from the tail of the aircraft during rollout from a touch-and-go landing. The pilot was unable to maintain directional control, the aircraft ground looped, the main landing gear collapsed, and the wings were…
- [NTSB MIA85LA117](https://openairdocs.org/ntsb/MIA85LA117.md): North American SNJ-5 · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Mar 10, 1985 · N9801C · 2 aircraft · Substantial damage
  > A group of T-6 type acft were taking off in sections of two acft each. Each section of two were making a formation takeoff with a 5 to 6 second interval between sections. N58740 was in the left position of the 2nd section; N9801C was in the left position of…
- [NTSB MKC85LA068](https://openairdocs.org/ntsb/MKC85LA068.md): Aero Commander S2R · Bradley, AR · Accident · No injuries · Limited investigation · Final report · Mar 6, 1985 · N8909Q · Substantial damage
  > The plt said that after liftoff the acft encountered a gust of wind and the acft swerved off the airstrip into rough terrain.
- [NTSB ATL85FLT04](https://openairdocs.org/ntsb/ATL85FLT04.md): Grumman AG-CAT-G-114 · Madisonville, TN · Accident · No injuries · Final report · Mar 2, 1985 · N4654 · Destroyed
  > The acft crashed in an open pasture after loss of power following a takeoff from an adjacent pasture. The acft had expereinced a power loss a few minutes earlier which had forced the plt to make an emergengy lndg. After grnd checking the powerplant the plt…
- [NTSB MIA85LA091](https://openairdocs.org/ntsb/MIA85LA091.md): Schweizer G-164A · Panama City, FL · Accident · No injuries · Limited investigation · Final report · Feb 10, 1985 · N3630D · Substantial damage
  > Plt was landing on a city street so the acft could be put on display. When the acft overran the end of the street the plt locked the brakes to avoid contacting buildings and vehicles and the acft nosed over.
- [NTSB LAX85FJA01](https://openairdocs.org/ntsb/LAX85FJA01.md): Emair MA-1 · Paanilo, HI · Accident · No injuries · Final report · Jan 30, 1985 · N9924M · Substantial damage
  > The plt initiated his 1st spray pass uphill with about a 5 to 10 kt quartering tail wind. While on the swath run, he noted the airspeed was decaying, so he aborted the pass by turning into the wind. However, this resulted in flying over more rapidly rising…

## 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") = 1985
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&year=1985

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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.
