# NTSB investigations: Pratt & Whitney R1340 series, MS

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 2 · 61 cases

## Latest cases

- [NTSB CEN21FA355](https://openairdocs.org/ntsb/CEN21FA355.md): North American T-6G · Starkville, MS · Accident · 2 fatal · Class 3 · Field · Final report · Aug 4, 2021 · N7197C · Destroyed
  > The pilot’s failure to maintain clearance from trees while maneuvering at low altitude.
- [NTSB MIA08LA174](https://openairdocs.org/ntsb/MIA08LA174.md): Schweizer G-164B · Clarksdale, MS · Accident · No injuries · Limited investigation · Final report · Aug 26, 2008 · N3633S · Substantial damage
  > The mechanic’s failure to torque check the axle-to-spring gear attachment bolts per the manufacturer's Annual/100-Hour Airframe Inspection Checklist, resulting in fatigue failure of the bolts.
- [NTSB MIA08CA078](https://openairdocs.org/ntsb/MIA08CA078.md): Air Tractor AT-301 · Columbus, MS · Accident · Minor injuries · Data collection · Final report · Mar 14, 2008 · N7302C · Substantial damage
  > The failure of the pilot to maintain airspeed while maneuvering.
- [NTSB DFW07LA187](https://openairdocs.org/ntsb/DFW07LA187.md): Air Tractor AT-402 · Cary, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 2007 · N1027V · Substantial damage
  > The total loss of engine power due to a power turbine failure. Contributing to the accident were the lack of suitable terrain available to pilot for the forced landing and the low altitude.
- [NTSB DFW07CA081](https://openairdocs.org/ntsb/DFW07CA081.md): Gulfstream-Schweizer G-164B · Arcola, MS · Accident · No injuries · Data collection · Final report · Feb 23, 2007 · N8063K · Substantial damage
  > The pilot's failure to maintain clearance from trees while maneuvering during aerial application.
- [NTSB ATL01LA100](https://openairdocs.org/ntsb/ATL01LA100.md): Rockwell S2R · Bentonia, MS · Accident · No injuries · Limited investigation · Final report · Aug 29, 2001 · N8438V · Substantial damage
  > The loss of engine power due to the loss of throttle cable continunity. The throttle cable linkage was worn beyond servicable limits. A factor was uneven terrain at the emergency landing site.
- [NTSB ATL01LA099](https://openairdocs.org/ntsb/ATL01LA099.md): Air Tractor AT-401 · Batesville, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 2001 · N91922 · Destroyed
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for an emergency landing.
- [NTSB MIA01LA099](https://openairdocs.org/ntsb/MIA01LA099.md): Grumman G-164A · Poplarville, MS · Accident · No injuries · Limited investigation · Final report · Mar 13, 2001 · N5076 · Substantial damage
  > a loss of engine power due to a cracked number 2 cylinder which resulted in a forced landing, subsequent impact with the runway, departure from the runway down an embankment, soft terrain and nose over.
- [NTSB MIA00LA168](https://openairdocs.org/ntsb/MIA00LA168.md): Grumman G-164B · Monticello, MS · Accident · No injuries · Limited investigation · Final report · May 22, 2000 · N6744K · Substantial damage
  > The failure of the pilot to maintain directional control during takeoff into crosswind conditions resulting in the collision with trees. A factor in the accident was the pilot's lack of familiarity with the aircraft.
- [NTSB ATL99LA129](https://openairdocs.org/ntsb/ATL99LA129.md): Air Tractor AT-401 · Caledonia, MS · Accident · No injuries · Limited investigation · Final report · Sep 13, 1999 · N45205 · Substantial damage
  > The failure of the fuel control gear train due to oil contamination. A factor was Inadequate maintenance.
- [NTSB MIA99LA203](https://openairdocs.org/ntsb/MIA99LA203.md): Air Tractor 301 · Drew, MS · Accident · No injuries · Limited investigation · Final report · Jul 23, 1999 · N2368R · Substantial damage
  > a loss of engine power due to the failure of cylinder No. 4 boss, which was caused by fatigue cracking, resulting in a forced landing in marshy terrain and subsequent nose over.
- [NTSB ATL98LA117](https://openairdocs.org/ntsb/ATL98LA117.md): Air Tractor 401 · Holly Bluff, MS · Accident · No injuries · Limited investigation · Final report · Aug 22, 1998 · N10103 · Substantial damage
  > The malfunction of the carburetor which resulted in improper fuel flow to the engine.
- [NTSB ATL98LA115](https://openairdocs.org/ntsb/ATL98LA115.md): Schweizer G164B · Newton, MS · Accident · No injuries · Limited investigation · Final report · Aug 16, 1998 · N7502A · Substantial damage
  > The erosion of the compressor impeller and the unsecured fuel control unit resulted in the loss of engine power during the initial climb.
- [NTSB MIA98LA201](https://openairdocs.org/ntsb/MIA98LA201.md): Rockwell S-2R · Belzoni, MS · Accident · No injuries · Limited investigation · Final report · Jul 18, 1998 · N8488V · Substantial damage
  > The malfunction in the engine blower section, resulting in oil starvation, the seizure of the engine.
- [NTSB MIA98LA181](https://openairdocs.org/ntsb/MIA98LA181.md): Air Tractor AT-401 · Rich, MS · Accident · No injuries · Limited investigation · Final report · May 24, 1998 · N1008Y · Substantial damage
  > a loss of engine power for an undetermined reason, resulting in a forced landing and subsequent impact with rough terrain.
- [NTSB MIA97LA190](https://openairdocs.org/ntsb/MIA97LA190.md): Schweizer G-164B · Edwards, MS · Accident · No injuries · Limited investigation · Final report · Jun 20, 1997 · N6816Q · Substantial damage
  > failure of the distributor drive gear in the right magneto, resulting in loss of engine power and a forced landing. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB ATL96LA116](https://openairdocs.org/ntsb/ATL96LA116.md): Grumman G-164A · Mayersville, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1996 · N7362 · Substantial damage
  > failure of the pilot to maintain adequate clearance from an object (vehicle) on the ground.
- [NTSB MIA96LA183](https://openairdocs.org/ntsb/MIA96LA183.md): Rockwell S2R · Belzoni, MS · Accident · No injuries · Limited investigation · Final report · Jul 13, 1996 · N3695X · Substantial damage
  > fatigue failure of the #5 cylinder skirt, which resulted in debris that caused the oil scavenge pump to fail, oil starvation, cam drive seizure, loss of engine power, and a subsequent forced landing in a field of cotton.
- [NTSB MIA96LA155](https://openairdocs.org/ntsb/MIA96LA155.md): Rockwell S-2R · Wayside, MS · Accident · No injuries · Limited investigation · Final report · Jun 10, 1996 · N8428V · Substantial damage
  > Failure of the pilot to maintain the proper descent rate at touchdown resulting in collapse of the right main landing gear.
- [NTSB MIA95LA192](https://openairdocs.org/ntsb/MIA95LA192.md): Schweizer G-164B · Quitman, MS · Accident · No injuries · Limited investigation · Final report · Aug 5, 1995 · N7502A · Substantial damage
  > Improper (low) outflow from the fuel control unit, due to improper maintenance, which resulted in a loss of engine power and a forced landing.
- [NTSB MIA95LA015](https://openairdocs.org/ntsb/MIA95LA015.md): Rockwell S-2R · Madison, MS · Accident · No injuries · Limited investigation · Final report · Nov 1, 1994 · N8456V · Destroyed
  > The pilots improper use of brakes during a precautionary landing.
- [NTSB MIA94LA172](https://openairdocs.org/ntsb/MIA94LA172.md): Aero Commander S2R · Rolling Fork, MS · Accident · No injuries · Limited investigation · Final report · Jul 3, 1994 · N8820Q · Substantial damage
  > The loss of engine power for undetermined causes. Contributing to the accident was the unsuitable terrain encountered during the forced landing.
- [NTSB MIA94LA168](https://openairdocs.org/ntsb/MIA94LA168.md): Air Tractor AT-401 · Walls, MS · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 1994 · N45332 · Substantial damage
  > The partial loss of engine power for undetermined reasons. The sandy terrain was a factor.
- [NTSB MIA92LA179](https://openairdocs.org/ntsb/MIA92LA179.md): Air Tractor AT-301 · Satartia, MS · Accident · No injuries · Limited investigation · Final report · Sep 10, 1992 · N4333S · Substantial damage
  > Failure of the brake system due to installation of a bogus part by an unknown person. Directional control by the pilot in command was not possible.
- [NTSB MIA92LA160](https://openairdocs.org/ntsb/MIA92LA160.md): Air Tractor AT-301 · Redwood, MS · Accident · No injuries · Limited investigation · Final report · Aug 7, 1992 · N3165A · Substantial damage
  > Improper maintenance of the airplane by an unknown person.
- [NTSB MIA91LA219](https://openairdocs.org/ntsb/MIA91LA219.md): Air Tractor AT-401 · Sumner, MS · Accident · Minor injuries · Limited investigation · Final report · Sep 16, 1991 · N1004W · Substantial damage
  > Failure of the no. 1 cylinder assembly.
- [NTSB MIA91LA101](https://openairdocs.org/ntsb/MIA91LA101.md): Air Tractor AT-401 · Avon, MS · Accident · Serious injuries · Limited investigation · Final report · Mar 15, 1991 · N73135 · Substantial damage
  > Loss of engine power for undetermined reasons during a turn while on an aerial application flight. Contributing to the accident was failure of the left magneto due to failure of a phenolic gear which drives the rotating magnet.
- [NTSB MIA89LA203](https://openairdocs.org/ntsb/MIA89LA203.md): Grumman G-164A · Schlater, MS · Accident · No injuries · Limited investigation · Final report · Jul 19, 1989 · N4579 · Substantial damage
  > Inadequate preflight planning/preparation by the pilot which resulted in the selection of the wrong runway. The tailwindand dirt bank were considered to be contributing factors.
- [NTSB MIA89LA166](https://openairdocs.org/ntsb/MIA89LA166.md): Ayres S2R · Lambert, MS · Accident · Serious injuries · Limited investigation · Final report · May 28, 1989 · N5543X · Destroyed
  > Failure of the engine impeller. The ditch in the emergency landing area was a related factor.
- [NTSB MIA89LA157](https://openairdocs.org/ntsb/MIA89LA157.md): Air Tractor AT-301 · Arcola, MS · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N73089 · Substantial damage
  > The circumferential on the number 2 cylinder which resulted in a loss of engine power.
- [NTSB MIA88LA258](https://openairdocs.org/ntsb/MIA88LA258.md): Air Tractor AT-301A · Shelby, MS · Accident · No injuries · Limited investigation · Final report · Aug 19, 1988 · N73089 · Substantial damage
  > While on an aerial application flt during the ground roll to takeoff, the forwardmost of two main gear clamp block bolts of the rt main landing gear failed. The gear trailed aft. The inboard main gear large bolt failed. The acft travelled off the rwy into a…
- [NTSB MIA87LA209](https://openairdocs.org/ntsb/MIA87LA209.md): Air Tractor AT-301 · Swiftown, MS · Accident · Minor injuries · Limited investigation · Final report · Jul 18, 1987 · N7310N · Substantial damage
  > While spraying cotton, severe vibration was felt throughout the acft & the plt elected a forced ldg. During the flare, the throttle was advanced to raise the nose, & the plt discovered the eng had totally failed. The acft flipped inverted on touch down. An…
- [NTSB MIA87FA160](https://openairdocs.org/ntsb/MIA87FA160.md): Schweizer G-164A · Dundee, MS · Accident · 1 fatal · Field investigation · Final report · May 19, 1987 · N4654 · Destroyed
  > While spraying a rice field, the acft was flying across svrl small dirt banks that had been furrowed for water ctl. Drg a swath run, it struck 3 furrowed banks that were close together, flipped over as it crashed, then burned. Witnessesrprtd the eng was…
- [NTSB MIA87LA142](https://openairdocs.org/ntsb/MIA87LA142.md): Air Tractor AT301 · Dundee, MS · Accident · No injuries · Limited investigation · Final report · Apr 22, 1987 · N3652B · Substantial damage
  > The plt stated that when reversing direction after an aerial application maneuver the eng quit. He then landed the acft in a creek due to insufficient altitude to clear trees that were in the flight path. Upon touchdown the acft nosed over and came to rest…
- [NTSB MIA87LA012](https://openairdocs.org/ntsb/MIA87LA012.md): Ayres SR-2-600 · Glen Allan, MS · Accident · No injuries · Limited investigation · Final report · Oct 22, 1986 · N4011S · Substantial damage
  > Shortly after takeoff the pilot stated the engine failed and he executed a forced landing. Post accident examination revealed no fuel in the aircraft fuel system.
- [NTSB MIA86LA190](https://openairdocs.org/ntsb/MIA86LA190.md): Aero Commander S2R · Valley Park, MS · Accident · No injuries · Limited investigation · Final report · Jun 24, 1986 · N8946Q · Substantial damage
  > The plt stated that a thndrstrm was in the immediate area & he took off with a left quartering headwind. During the take off roll, the wind shifted & a left quartering tailwind blew the acft into a ditch. The plt estimated the winds at 50 to 60 mph.
- [NTSB MIA86LA183](https://openairdocs.org/ntsb/MIA86LA183.md): Air Tractor AT-301 · Vaiden, MS · Accident · No injuries · Limited investigation · Final report · Jun 14, 1986 · N23930 · Substantial damage
  > The plt stated that upon landing in a cow pasture he lost directional control of the acft. The acft collided with a vehicle located at the FAR end and off to one side of the pasture. The acft then traveled through a fence and a ditch before coming to rest…
- [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 ATL84LA220](https://openairdocs.org/ntsb/ATL84LA220.md): Snow 600-S2C · Lambert, MS · Accident · Minor injuries · Limited investigation · Final report · Jul 11, 1984 · N64744 · Substantial damage
  > During the landing roll the tailwheel reportedly oscillated braking the shock strut lugs allowing the tail of the acft to contact the sod runway. The plt applied hard braking and the acft nosed over. The plt reported nothing was wrong with the tailwheel…
- [NTSB ATL84LA171](https://openairdocs.org/ntsb/ATL84LA171.md): Grumman G-164B · Rosedale, MS · Accident · No injuries · Limited investigation · Final report · May 9, 1984 · N6793K · Substantial damage
  > The plt was transporting the acft to a newly constructed, private ag strip to begin aerial application. During the landing roll, one of the main landing gear rolled into a soft spot & sank into the ground, then the acft nosed over.
- [NTSB ATL83FKQ03](https://openairdocs.org/ntsb/ATL83FKQ03.md): Air Tractor AT-301 · Redwood, MS · Accident · No injuries · Final report · Aug 25, 1983 · N8511S · Substantial damage
  > The acft made a forced landing in a soybean field after severe vibration developed during a spraying operation. The pilot stated that the powerplant and flt controls were functioning normally at the time of the accident. An on-scene investigation revealed…
- [NTSB ATL82DA252](https://openairdocs.org/ntsb/ATL82DA252.md): Grumman G-164C · Gunnison, MS · Accident · No injuries · Final report · Aug 27, 1982 · N6787K · Substantial damage
  > The pilot reported that he smelled something hot while spraying. He checked the instruments and noted that the oil temperature gauge was indicating off the high side of the scale. He started to make a precautionary landing but the engine seized during final…
- [NTSB ATL81FKQ23](https://openairdocs.org/ntsb/ATL81FKQ23.md): Air Tractor AT-301 · Charleston, MS · Accident · No injuries · Closed · Jul 31, 1981 · N4364S · Substantial damage
- [NTSB ATL81FKQ11](https://openairdocs.org/ntsb/ATL81FKQ11.md): Ayres S2R · Hollandale, MS · Accident · 1 fatal · Closed · May 28, 1981 · N5053X · Destroyed
- [NTSB ATL81FLT04](https://openairdocs.org/ntsb/ATL81FLT04.md): Air Tractor AT-301 · Crenshaw, MS · Accident · Minor injuries · Closed · Feb 26, 1981 · N4433S · Substantial damage
- [NTSB ATL81FKQ02](https://openairdocs.org/ntsb/ATL81FKQ02-201172.md): Air Tractor AT-301 · Canton, MS · Accident · No injuries · Closed · Oct 21, 1980 · N78MH · Substantial damage
- [NTSB ATL80FKQ22](https://openairdocs.org/ntsb/ATL80FKQ22.md): Grumman G-164 · Clarksdale, MS · Accident · No injuries · Closed · Aug 26, 1980 · N48461 · Substantial damage
- [NTSB MIA80FKQ03](https://openairdocs.org/ntsb/MIA80FKQ03.md): Grumman G-164A · Flora, MS · Accident · Minor injuries · Closed · Mar 14, 1980 · N48507 · Destroyed
- [NTSB MIA79FKQ28](https://openairdocs.org/ntsb/MIA79FKQ28.md): Air Tractor AT-301 · Grenada, MS · Accident · Minor injuries · Closed · Sep 4, 1979 · N8595S · Substantial damage
- [NTSB MIA79FKQ25](https://openairdocs.org/ntsb/MIA79FKQ25.md): Grumman G-164A · Sunflower, MS · Accident · No injuries · Closed · Aug 27, 1979 · N48437 · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=52016&state=MS&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."eventStateOrRegion" = 'MS' AND c."eventCountry" = 'USA'
  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&state=MS

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