# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B: Loss of engine power

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 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 DFW06CA081](https://openairdocs.org/ntsb/DFW06CA081.md): Grumman-Schweizer G-164B · Texarkana, AR · Accident · Minor injuries · Data collection · Final report · Mar 4, 2006 · N6641Q · Substantial damage
  > The loss of engine power due to a cracked cylinder. Contributing factors were the pilot's failure to maintain adequate airspeed.
- [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 DFW05LA116](https://openairdocs.org/ntsb/DFW05LA116.md): Grumman-Schweizer G-164B · Fenton, LA · Accident · No injuries · Limited investigation · Final report · May 1, 2005 · N63E · Substantial damage
  > The loss of engine power due to fuel starvation as a result of blockage of the firewall fuel filter with an unknown contaminant. A contributing factor was the lack of suitable terrain for the forced landing.
- [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.
- [NTSB LAX04LA126](https://openairdocs.org/ntsb/LAX04LA126.md): Grumman-Schweizer G-164B · Tracy, CA · Accident · No injuries · Limited investigation · Final report · Feb 17, 2004 · N6774K · Substantial damage
  > A loss of engine power for undetermined reasons during cruise flight.
- [NTSB CHI03LA176](https://openairdocs.org/ntsb/CHI03LA176.md): Allied Ag Cat Productions G-164B · Dyess, AR · Accident · No injuries · Limited investigation · Final report · Jun 19, 2003 · N8375K · Substantial damage
  > The loose fittings on the bleed air system which resulted in a loss of engine power, and the unsuitable terrain encountered during the forced landing. Factors to the accident were the watery and the muddy conditions and the inadequate fastening of the bleed…
- [NTSB CHI02LA132](https://openairdocs.org/ntsb/CHI02LA132.md): Grumman-Schweizer G-164B · Hordville, NE · Accident · No injuries · Limited investigation · Final report · May 10, 2002 · N48485 · Substantial damage
  > A loss of engine power due to a fractured rocker arm shaf. Contributing to the accident was the soft, furrowed field.
- [NTSB CHI01LA300](https://openairdocs.org/ntsb/CHI01LA300.md): Grumman-Schweizer G-164B · Atlantic, IA · Accident · No injuries · Limited investigation · Final report · Sep 3, 2001 · N6598K · Destroyed
  > The loss of engine power for undetermined reasons during the takeoff and initial climb, and the unsuitable terrain encountered during the forced landing. Factors relating to this accident were the corn crop and the low altitude.
- [NTSB FTW01LA177](https://openairdocs.org/ntsb/FTW01LA177.md): Grumman-Schweizer G-164B · Bunkie, LA · Accident · Minor injuries · Limited investigation · Final report · Aug 9, 2001 · N542KG · Destroyed
  > The loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA01LA204](https://openairdocs.org/ntsb/MIA01LA204.md): Grumman-Schweizer G-164B · Edison, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2001 · N6816Q · Substantial damage
  > Partial loss of engine power for undetermined reasons during takeoff resulting in the airplane descending, colliding with the ground, and nosing over.
- [NTSB FTW00LA253](https://openairdocs.org/ntsb/FTW00LA253.md): Grumman-Schweizer G-164B · Erick, OK · Accident · No injuries · Limited investigation · Final report · Sep 7, 2000 · N8255K · Substantial damage
  > the loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX00LA246](https://openairdocs.org/ntsb/LAX00LA246.md): Grumman G-164B · King City, CA · Accident · No injuries · Limited investigation · Final report · Jul 3, 2000 · N48456 · Destroyed
  > The loss of engine power for undetermined reasons.
- [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 FTW99LA113](https://openairdocs.org/ntsb/FTW99LA113.md): Grumman-Schweizer G-164B · Franklinton, LA · Accident · No injuries · Limited investigation · Final report · Apr 9, 1999 · N6673Q · Destroyed
  > Loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA99LA041](https://openairdocs.org/ntsb/MIA99LA041.md): Grumman-Schweizer G-164B · Fort Gains, GA · Accident · No injuries · Limited investigation · Final report · Dec 1, 1998 · N6630Q · Substantial damage
  > a power loss due to internal damage to the second- and third- stage turbine rotor blades, due to thermal heat, rendering the engine incapable of producing full power, resulting in a forced landing, and subsequent impact with the terrain.
- [NTSB FTW98LA206](https://openairdocs.org/ntsb/FTW98LA206.md): Grumman G-164B · Lewisville, AR · Accident · No injuries · Limited investigation · Final report · May 4, 1998 · N48484 · Substantial damage
  > The total loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA98LA038](https://openairdocs.org/ntsb/SEA98LA038.md): Grumman-Schweizer G-164B · Stanwood, WA · Accident · No injuries · Limited investigation · Final report · Feb 19, 1998 · N48493 · Substantial damage
  > The pilot's failure to apply carburetor heat. Factors included carburetor icing conditions and soft terrain in the forced landing area.
- [NTSB CHI97LA204](https://openairdocs.org/ntsb/CHI97LA204.md): Grumman-Schweizer G-164B · Donnelly, MN · Accident · No injuries · Limited investigation · Final report · Jul 7, 1997 · N6633K · Substantial damage
  > undetermined event resulting in the broken connecting rod and cylinder.
- [NTSB SEA95LA119](https://openairdocs.org/ntsb/SEA95LA119.md): Grumman G-164B · Helena, MT · Accident · No injuries · Limited investigation · Final report · Jun 15, 1995 · N6669Q · Destroyed
  > The loss of engine power for undetermined reasons.
- [NTSB SEA95LA094](https://openairdocs.org/ntsb/SEA95LA094.md): Grumman G-164B · Stayton, OR · Accident · Minor injuries · Limited investigation · Final report · May 7, 1995 · N6895Q · Substantial damage
  > A power loss for undetermined reason(s). A factor was the soft terrain.
- [NTSB CHI94DCA02](https://openairdocs.org/ntsb/CHI94DCA02.md): Schweizer G-164B · Harviell, MO · Accident · Minor injuries · Final report · Jul 18, 1994 · N48484 · Substantial damage
  > the separation of the oil supply line to the propeller governor, which resulted in the propeller inadvertently going into feather. Factors were the pilots intentional ground loop of the airplane to avoid impacting obstructions at the end of the runway.
- [NTSB FTW94LA187](https://openairdocs.org/ntsb/FTW94LA187.md): Grumman G-164B · Carlisle, AR · Accident · No injuries · Limited investigation · Final report · Jun 6, 1994 · N8363K · Destroyed
  > The loss of engine power for undetermined reason. A factor ws the lack of suitable terrain at the pilot's disposal for the forced landing.
- [NTSB ATL94LA084](https://openairdocs.org/ntsb/ATL94LA084.md): Grumman G-164B · Ozark, AL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1994 · N48717 · Substantial damage
  > A loss of engine power for undetermined reasons. A factor was the soft terrain.
- [NTSB FTW93LA153](https://openairdocs.org/ntsb/FTW93LA153.md): Grumman G-164B · Arnaudville, LA · Accident · No injuries · Limited investigation · Final report · May 12, 1993 · N6639Q · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the unsuitable terrain
- [NTSB FTW92LA144](https://openairdocs.org/ntsb/FTW92LA144.md): Grumman G-164B · Mamou, LA · Accident · No injuries · Limited investigation · Final report · May 30, 1992 · N6808Q · Substantial damage
  > The engine failure for undetermined reasons. A factor was the lack of suitable terrain onto which the ensuing forced landing could be executed.
- [NTSB MIA91LA122](https://openairdocs.org/ntsb/MIA91LA122.md): Grumman G-164B · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Apr 15, 1991 · N8386K · Substantial damage
  > Disintegration of the impeller for undetermined reasons resulting in the total loss of engine power necessitating the forced landing.
- [NTSB ATL90DLT01](https://openairdocs.org/ntsb/ATL90DLT01.md): Grumman G-164B · Tiptonville, TN · Accident · No injuries · Final report · Apr 16, 1990 · N6683K · Substantial damage
  > A loss of engine power for undetermined reasons. A factor in the accident was the rough terrain.
- [NTSB FTW90DPA01](https://openairdocs.org/ntsb/FTW90DPA01.md): Grumman G-164B · Bonham, TX · Accident · No injuries · Final report · Apr 4, 1990 · N48372 · Substantial damage
  > A power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX89DVA05](https://openairdocs.org/ntsb/LAX89DVA05.md): Grumman G-164B · Westley, CA · Accident · Serious injuries · Final report · Mar 18, 1989 · N6713Q · Substantial damage
  > A loss of engine power for undetermined reasons. A factor related to the accident was the proximity of obstructions.
- [NTSB FTW88DRD19](https://openairdocs.org/ntsb/FTW88DRD19.md): Schweizer G-164B · Catahoula, LA · Accident · No injuries · Final report · Aug 20, 1988 · N6685Q · Destroyed
  > The ag airplane was being utilized to scare birds away from the rice fields. It was 15 feet AGL when the engine backfired and quit. The airplane collided with the terrain and burned. The engine and engine accessories were so destroyed by fire that nothing…
- [NTSB MIA87LA254](https://openairdocs.org/ntsb/MIA87LA254.md): Grumman G-164B · Bristol, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1987 · N6647Q · Substantial damage
  > The eng began losing power as the plt was en route to spray a field. He was unable to maintain altitude, dumped the load of chemicals & prepared for an emerg landing. While he was attempting to reach an open field, the acft collided with 100 foot trees, then…
- [NTSB FTW87DRD14](https://openairdocs.org/ntsb/FTW87DRD14.md): Grumman G-164B · Oak Grove, LA · Accident · No injuries · Final report · Aug 12, 1987 · N48614 · Substantial damage
  > After completing the last pass of an agricultural operation the pilot pulled up and started a turn. At this time the engine started shaking and losing power. The pilot attempted a forced landing in a soft field. The wheels bogged four or five inches into the…
- [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 ATL85LA233](https://openairdocs.org/ntsb/ATL85LA233.md): Schweizer G-164B · Leesburg, GA · Accident · No injuries · Limited investigation · Final report · Aug 4, 1985 · N48562 · Substantial damage
  > The aircraft suffered a loss of power due to water in fuel and made an emergency landing in a field. During landing roll the aircraft collided with trees at the end of the field.
- [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 SEA84LA133](https://openairdocs.org/ntsb/SEA84LA133.md): Grumman G-164B-450 · Pullman, WA · Accident · Minor injuries · Limited investigation · Final report · Jun 14, 1984 · N6798Q · Destroyed
  > After making a swath run, the acft entered a steep turn with an airspeed of about 75 mph. According to two witnesses, the eng lost power & then the acft crashed. The plt was unable to remember what had happened from the time he entered the turn until he…
- [NTSB ATL83LA004](https://openairdocs.org/ntsb/ATL83LA004.md): Grumman G-164B · Rowland, NC · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 1982 · N48498 · Substantial damage
  > The aircraft was being ferried to a nearby airport for winter storage. Immediately after takeoff, the engine began running rough and RPM was lost. The pilot turned and landed in a plowed field where the aircraft nosed over during the landing roll. The pilot…
- [NTSB ATL82DA276](https://openairdocs.org/ntsb/ATL82DA276.md): Grumman G-164B · Society Hill, AL · Accident · No injuries · Final report · Sep 16, 1982 · N48636 · Substantial damage
  > Aircraft lost power during takeoff and nosed over during emergency landing in a cotton field. Takeoff weight was over certificated gross limit.
- [NTSB ATL82DA254](https://openairdocs.org/ntsb/ATL82DA254.md): Grumman G164B · Sampson, AL · Accident · No injuries · Final report · Aug 30, 1982 · N6795Q · Destroyed
  > The aircraft lost power during a swath run, the pilot attempted to lighten the load but the aircraft collided with a tree. When interviewed the pilot stated that the aircraft was sold for salvage. No examination of the engine was possible but he indicated…
- [NTSB FTW82DA279](https://openairdocs.org/ntsb/FTW82DA279.md): Grumman G-164B · Beedeville, AR · Accident · No injuries · Final report · Jul 12, 1982 · N6678K · Destroyed
  > The pilot proceeded to the job site with a load of urea. He circled for about 15 minutes waiting for the flagmen to arrive, then elected to return to the airport. As he leveled the plane, he experienced a gradual loss of power and was unable to maintain…
- [NTSB LAX82DVA12](https://openairdocs.org/ntsb/LAX82DVA12.md): Grumman G-164B · Valley Home, CA · Accident · No injuries · Final report · Feb 12, 1982 · N6659Q · Destroyed
  > The pilot reported that during takeoff, there was a partial loss of engine power and the aircraft settled back to the ground. The aircraft touched down on soft terrain about 1/4 mile from the runway and flipped over. The aircraft caught on fire and burned…

## 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.aircraft_model_code IN ('3952802')
    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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952802&occurrence=350

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