# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A: Loss of engine power(total) - mech failure/malf 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 FTW04CA246](https://openairdocs.org/ntsb/FTW04CA246.md): Grumman G-164A · Gilbert, LA · Accident · No injuries · Data collection · Final report · Sep 28, 2004 · N8661H · Substantial damage > The failure of a piston connecting rod for undetermined reasons resulting in the loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB CHI01LA286](https://openairdocs.org/ntsb/CHI01LA286.md): Grumman-Schweizer G-164A · Petersburg, NE · Accident · No injuries · Limited investigation · Final report · Aug 16, 2001 · N4598 · Substantial damage > The failure of the engine cylinder, and the unsuitable terrain for landing encountered by the pilot. Factors were the low altitude and the muddy field. - [NTSB FTW98LA016](https://openairdocs.org/ntsb/FTW98LA016.md): Grumman-Schweizer G-164A · Altus, OK · Accident · No injuries · Limited investigation · Final report · Oct 15, 1997 · N8819H · Substantial damage > The loss of engine power due to the cracked cylinder. A factor was the lack of suitable terrain for the forced landing. - [NTSB CHI96LA281](https://openairdocs.org/ntsb/CHI96LA281.md): Grumman-Schweizer G-164 · Grant, NE · Accident · No injuries · Limited investigation · Final report · Aug 7, 1996 · N8842H · Substantial damage > fatigue failure and subsequent catastrophic failure of the number nine cylinder. A factor was the corn. - [NTSB FTW96LA272](https://openairdocs.org/ntsb/FTW96LA272.md): Grumman-Schweizer G-164A · Holyoke, CO · Accident · No injuries · Limited investigation · Final report · Jun 22, 1996 · N4698 · Substantial damage > the total failure of the engine main bearing. A factor was the soft terrain condition on which the forced landing was made. - [NTSB MIA96LA122](https://openairdocs.org/ntsb/MIA96LA122.md): Grumman G-164A · Edison, GA · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1996 · N4238 · Substantial damage > Failure of the mounting studs for the No. 4 cylinder, which resulted in separation of the cylinder and loss of engine power. The lack of suitable terrain for a forced landing was a related factor. - [NTSB FTW96LA132](https://openairdocs.org/ntsb/FTW96LA132.md): Grumman G-164A · Dewitt, AR · Accident · No injuries · Limited investigation · Final report · Feb 24, 1996 · N48435 · Substantial damage > a loss of engine power due to the malfunction of the carburetor as a result of an improper overhaul. A factor was the unsuitable terrain for the forced landing. - [NTSB FTW96LA007](https://openairdocs.org/ntsb/FTW96LA007.md): Grumman G-164A · Hamburg, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 1995 · N9873 · Substantial damage > Loss of engine power due to a cylinder failure. A factor relating to the accident was: the lack of suitable terrain for the forced landing. - [NTSB FTW95LA317](https://openairdocs.org/ntsb/FTW95LA317.md): Grumman G-164A · Mccrory, AR · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1995 · N6636Q · Substantial damage > The loss of engine power due to a cracked cylinder. A factor was the lack of suitable terrain for the forced landing. - [NTSB FTW95LA297](https://openairdocs.org/ntsb/FTW95LA297.md): Grumman G-164A · Osceola, AR · Accident · No injuries · Limited investigation · Final report · Jul 13, 1995 · N9041Q · Substantial damage > The loss of engine power due to a failed supercharger/blower. A factor was the lack of suitable terrain for a forced landing. - [NTSB FTW95LA293](https://openairdocs.org/ntsb/FTW95LA293.md): Grumman G-164A · Simmesport, LA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1995 · N9949 · Substantial damage > The loss of engine power as result of the failure of the number 7 cylinder. A factor was the lack suitable terrain for the forced landing. - [NTSB SEA95LA138](https://openairdocs.org/ntsb/SEA95LA138.md): Grumman G-164A · Burley, ID · Accident · No injuries · Limited investigation · Final report · Jul 8, 1995 · N8946H · Substantial damage > A total loss of engine power due to fatigue failure of the crankshaft. A factor in the accident was the lack of suitable terrain for the forced landing. - [NTSB LAX95LA126](https://openairdocs.org/ntsb/LAX95LA126.md): Schweizer G-164A · Robbins, CA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1995 · N5450 · Substantial damage > A failure of the engine master rod. A factor in the accident was the soft, wet condition of the field available for the forced landing. - [NTSB ATL93LA132](https://openairdocs.org/ntsb/ATL93LA132.md): Grumman G-164A · Atmore, AL · Accident · No injuries · Limited investigation · Final report · Jul 23, 1993 · N4824 · Substantial damage > The total failure of the engine supercharger, which resulted in engine stoppage. A factor was the rough terrain at the forced landing site. - [NTSB FTW93LA215](https://openairdocs.org/ntsb/FTW93LA215.md): Grumman G-164A · Mccrory, AR · Accident · No injuries · Limited investigation · Final report · Jul 13, 1993 · N9780 · Substantial damage > The loss of engine power due to cylinder failure. A factor was the lack of suitable terrain for the forced landing. - [NTSB ATL93LA116](https://openairdocs.org/ntsb/ATL93LA116.md): Grumman G164A · Brundidge, AL · Accident · No injuries · Limited investigation · Final report · Jun 25, 1993 · N48584 · Substantial damage > The broken carburetor accelerator pump piston rivet which lodged under the needle valve, allowed the float chamber to flood with fuel, and the engine to quit. The lack of suitable terrain for a forced landing was a factor. - [NTSB LAX93LA200](https://openairdocs.org/ntsb/LAX93LA200.md): Grumman 164A · Biggs, CA · Accident · 1 fatal · Limited investigation · Final report · May 5, 1993 · N5249 · Destroyed > Failure of the number 2 engine cylinder. A factor related to the accident was the lack of altitude for the pilot to make a successfull forced landing. - [NTSB FTW92DPG06](https://openairdocs.org/ntsb/FTW92DPG06.md): Grumman G-164A · Swifton, AR · Accident · No injuries · Final report · Jul 6, 1992 · N8922H · Substantial damage > Loss of engine power. A factor was the lack of suitable terrain for forced landing. - [NTSB FTW92LA094](https://openairdocs.org/ntsb/FTW92LA094.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Mar 18, 1992 · N5378 · Substantial damage > The loss of engine power due to rocker arm failure. A factor was the unsuitable terrain. - [NTSB FTW92LA085](https://openairdocs.org/ntsb/FTW92LA085.md): Grumman G-164A · Valley Mills, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 9, 1992 · N9828 · Substantial damage > Power loss due inadequate maintenance and the resultant multiple maintenance discrepancies. A factor was the wet terrain. - [NTSB LAX92LA131](https://openairdocs.org/ntsb/LAX92LA131.md): Grumman G-164A · Vernalis, CA · Accident · No injuries · Limited investigation · Final report · Feb 29, 1992 · N5408 · Substantial damage > The operator's failure to properly comply with an airworthiness directive affecting the second-stage turbine wheel assembly. Contributing to this accident was the uncontained failure of the second-stage turbine wheel and the rough/uneven terrain. - [NTSB FTW91DRD03](https://openairdocs.org/ntsb/FTW91DRD03.md): Grumman G-164A · Bonita, LA · Accident · No injuries · Final report · Mar 17, 1991 · N9685 · Substantial damage > A power loss due to a cracked cylinder. A factor was the soft terrain in which the forced landing was performed. - [NTSB NYC90DFJ04](https://openairdocs.org/ntsb/NYC90DFJ04.md): Schweizer Grumman G-164A · Wayland, NY · Accident · No injuries · Final report · Aug 30, 1990 · N48395 · Substantial damage > A cracked engine cylinder assembly, which resulted in loss of engine power. - [NTSB MIA90LA176](https://openairdocs.org/ntsb/MIA90LA176.md): Grumman 164-A · Dundee, MS · Accident · No injuries · Limited investigation · Final report · Aug 24, 1990 · N9650 · Substantial damage > Improper maintenance repair by an unknown person that initiated the engine failure and the forced landing. - [NTSB ATL89DKG05](https://openairdocs.org/ntsb/ATL89DKG05.md): Grumman G-164A · Dawson, GA · Accident · Minor injuries · Final report · Jul 31, 1989 · N9755 · Substantial damage > Failure of the number three cylinder head. - [NTSB SEA89LA121](https://openairdocs.org/ntsb/SEA89LA121.md): Grumman-Schweizer G-164A · Colfax, WA · Accident · No injuries · Limited investigation · Final report · Jun 24, 1989 · N8974H · Substantial damage > Improper installation of the cylinder assembly. The terrain was not suitable for a successful forced landing. - [NTSB SEA89LA115](https://openairdocs.org/ntsb/SEA89LA115.md): Grumman-Schweizer G-164A · Battle Mountain, NV · Accident · No injuries · Limited investigation · Final report · Jun 21, 1989 · N9830 · Substantial damage > The loss of engine power in flight due to a broken number two rocker arm. Contributing to the accident was the vehicle on the road which resulted in the pilot flaring prematurely. - [NTSB MKC89LA079](https://openairdocs.org/ntsb/MKC89LA079.md): Grumman G-164A · Stuttgart, AR · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1989 · N9874 · Substantial damage > Failure of the engine blower assembly drive shaft, while maneuvering at low altitude, and failure of the pilot to maintain adequate airspeed, which resulted in a stall before he could land. - [NTSB MKC88LA133](https://openairdocs.org/ntsb/MKC88LA133.md): Grumman 164A · Poplar Bluff, MO · Accident · No injuries · Limited investigation · Final report · Jul 19, 1988 · N8706H · Substantial damage > The pilot experienced an engine failure while attempting to land during an aerial application flight. Altitude was not adequate to select a suitable forced landing area. The aircraft impacted in a pipeline right of way and came to rest in a small stream,… - [NTSB MKC87LA072](https://openairdocs.org/ntsb/MKC87LA072.md): Grumman-Schweizer G-164A · Dodge City, KS · Accident · No injuries · Limited investigation · Final report · Apr 1, 1987 · N48564 · Substantial damage > The pilot stated that the aircraft was operating normally when he established himself on final approach for rwy 32. Winds were from the northeast at 25 KTS, the pilot further stated, so he abandoned the approach and was in the process of circling the field… - [NTSB LAX86DVA05](https://openairdocs.org/ntsb/LAX86DVA05.md): Grumman G164A · Snelling, CA · Accident · No injuries · Final report · Apr 5, 1986 · N8932H · Destroyed > The plt stated he had just lifted off during takeoff when the eng quit. The acft then stalled, hitting a canal and shearing off the main landing gear. The plt stated that a broken fuel line is suspect due to the sudden stoppage and intense ground fire. The… - [NTSB FTW86FRD11](https://openairdocs.org/ntsb/FTW86FRD11.md): Grumman G-164A · Crowley, LA · Accident · No injuries · Final report · Mar 31, 1986 · N4561 · Substantial damage > The acft crashed into wires and a house during an attempted forced landing. The plt was preparing to do rice seeding when the eng began to backfire & lose power. The plt was trying to return to the ag strip when the eng quit and he was forced to land. Eng… - [NTSB NYC86FHM02](https://openairdocs.org/ntsb/NYC86FHM02.md): Grumman 164-A · Walden, NY · Accident · Serious injuries · Final report · Nov 18, 1985 · N7236 · Destroyed > The pilot of a Grumman 164A was crop dusting when he experienced an engine failure. He decided not to dump the load due to possible later repercussions. The aircraft lacked sufficent airspeed or altitude to make a safe landing. The aircraft received… - [NTSB SEA85LA132](https://openairdocs.org/ntsb/SEA85LA132.md): Grumman G-164A · Kendrick, ID · Accident · No injuries · Limited investigation · Final report · Jun 9, 1985 · N7997 · Substantial damage > The plt had finished spraying a field & was returning to the ag strip when the eng failed. He made an emerg landing in a barley field which was muddy & soft. During the landing roll, the wheels sank in the terrain & the acft nosed over. An exam revealed that… - [NTSB MKC85LA006](https://openairdocs.org/ntsb/MKC85LA006.md): Grumman G-164A · Cotton Plant, AR · Accident · No injuries · Limited investigation · Final report · Oct 11, 1984 · N8644H · Substantial damage > During aerial application flight, the engine master connecting rod failed. Forced landing was performed in a Cotton field. Acft nosed over during landing roll due to terrain conditions. Engine had 176 hours since major ovhl. - [NTSB DEN84LA192](https://openairdocs.org/ntsb/DEN84LA192.md): Grumman G-164A · Murdo, SD · Accident · No injuries · Limited investigation · Final report · Jun 23, 1984 · N8974H · Substantial damage > The pilot reported the engine failed while he was in a procedure turn. The pilot made a forced landing in an open field and the acft nosed over. Examination of the engine after the accident revealed the engine 'swallowed an exhaust valve' that caused the… - [NTSB DEN84LA153](https://openairdocs.org/ntsb/DEN84LA153.md): Grumman G-164A · Wiggins, CO · Accident · No injuries · Limited investigation · Final report · May 18, 1984 · N9822 · Substantial damage > While en route to a field for aerial application, an oil mist appeared on the windshield of the acft. Shortly after that, the eng progressively lost power & the plt made a forced landing in a pasture. During the landing roll, the acft hit a hole in the ground… - [NTSB FTW83LA414](https://openairdocs.org/ntsb/FTW83LA414.md): Grumman G-164A · Morse, LA · Accident · No injuries · Limited investigation · Final report · Sep 3, 1983 · N7699 · Substantial damage > During a climbing turn after takeoff, the eng lost power & started smoking lightly. The plt dumped his chemical load & was able to clear a set of power lines. He then made a forced landing in a flooded rice field where the acft nosed over. An investigation… - [NTSB FTW83LA366](https://openairdocs.org/ntsb/FTW83LA366.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Limited investigation · Final report · Aug 6, 1983 · N7396 · Substantial damage > The acft nosed over during a forced landing after the engine quit shortly after takeoff. The main landing gear mired in soft plowed earth and the acft nosed over during landing. The takeoff gross weight was 5290 lbs. After the accident the engine tear down… - [NTSB LAX83LA332](https://openairdocs.org/ntsb/LAX83LA332.md): Grumman G-164A · Buckeye, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 13, 1983 · N9863 · Substantial damage > After takeoff the acft flew about 1/4 mile when the engine started running rough. The pilot jettisoned his load but could not maintain alt. The acft made a forced landing in a plowed field 3/4 mile from the service strip. An examinationof the engine revealed… - [NTSB LAX83LA330](https://openairdocs.org/ntsb/LAX83LA330.md): Grumman G-164 · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Jul 11, 1983 · N9707 · Destroyed > The acft made a forced landing and was destroyed by fire after an engine failure during a spraying operation. The plt stated that his flagger saw black smoke during the pull-up. The smoke turned white and was observed coming from the stacks. Inspection of the… - [NTSB FTW83LA320](https://openairdocs.org/ntsb/FTW83LA320.md): Grumman G-164A · Dayton, TX · Accident · No injuries · Limited investigation · Final report · Jul 4, 1983 · N48374 · Substantial damage > The agricultural acft crashed 100 ft short of the rwy after the engine failed. The plt said the engine lost power and RPM so he decided to return to the airstrip after dumping his chemical load. The engine failed completely short of the rwy. The acft hit a… - [NTSB FTW83LA205](https://openairdocs.org/ntsb/FTW83LA205.md): Grumman G-164A · Anahuac, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 25, 1983 · N4564 · Destroyed > The acft groundlooped in ruts during a forced landing after the engine quit. A ground fire destroyed the acft. The acft had approached the field to be sprayed and a witness on the ground said the engine sounded like it was being throttled back. When the pilot… - [NTSB ATL83LA158](https://openairdocs.org/ntsb/ATL83LA158.md): Grumman G-164A · Lexington, NC · Accident · No injuries · Limited investigation · Final report · Apr 11, 1983 · N9782 · Substantial damage > The aircraft collided with a ditch during a forced landing after power loss while on an aerial application flight. The engine failed because of loss of #2 cylinder. The cylinder head cracked and ruptured two oil lines. With the windshield covered with oil and… - [NTSB FTW82DA239](https://openairdocs.org/ntsb/FTW82DA239.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Final report · Jun 22, 1982 · N9684 · Substantial damage > The pilot had just finished spraying and was on his way back to the airport when the engine failed. A field with grass was selected for an emergency landing. During the landing roll, the aircraft encountered ruts and nosed over. The operator reported that the… - [NTSB FTW82FRD15](https://openairdocs.org/ntsb/FTW82FRD15.md): Grumman G-164A · Egan, LA · Accident · Serious injuries · Final report · Jun 11, 1982 · N6787Q · Destroyed > As the plt was adjusting the powerplant & prop controls the eng accelerated, & at the same time oil covered the windshield. The acft went down into a bean field & flipped over. Disassembly of the eng revealed the rear counterweight trailing pin worn &… - [NTSB SEA82DA058](https://openairdocs.org/ntsb/SEA82DA058.md): Grumman G-164A · S. Of Echo, OR · Accident · No injuries · Final report · Apr 25, 1982 · N4897 · Substantial damage > During a spray run the pilot experienced a power loss. After pulling up to 100 feet AGL and turning 90 degrees the engine ceased to operate. The pilot completed a forced landing in a nearby soft wheat field and after rolling approximately 300 feet the… ## 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 ('3952801') 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" = 351)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=3952801&occurrence=351 --- 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.