# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, LA 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 3 · 115 cases ## Latest cases - [NTSB CEN21LA072](https://openairdocs.org/ntsb/CEN21LA072.md): Grumman G164 · Elton, LA · Accident · No injuries · Class 3 · Limited · Final report · Dec 1, 2020 · N48594 · Substantial damage > The loss of engine power, which resulted in a forced landing on unsuitable terrain. The reason for the loss of engine power could not be determined based on available evidence. - [NTSB CEN15LA175](https://openairdocs.org/ntsb/CEN15LA175.md): Grumman Acft ENG Cor-Schweizer G 164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Mar 17, 2015 · N9755 · Substantial damage > The loss of engine power due to three stuck exhaust valves. - [NTSB DFW08CA195](https://openairdocs.org/ntsb/DFW08CA195.md): Grumman 164A · Lake Providence, LA · Accident · Minor injuries · Data collection · Final report · Jul 22, 2008 · N7249 · Substantial damage > The pilot's failure to maintain control of the airplane while maneuvering during an aerial application. Contributing to the accident was the wind gust. - [NTSB DFW05CA186](https://openairdocs.org/ntsb/DFW05CA186.md): Grumman-Schweizer G-164A · Tallulah, LA · Accident · Minor injuries · Data collection · Final report · Jul 21, 2005 · N8891H · Substantial damage > The partial loss of engine power as result of the fracture of the number five-cylinder exhaust valve rocker arm mounting boss. A contributing factor was the lack of suitable terrain for the forced landing. - [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 FTW02LA221](https://openairdocs.org/ntsb/FTW02LA221.md): Grumman G-164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 2002 · N48523 · Substantial damage > The pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin of the airplane. - [NTSB FTW02LA194](https://openairdocs.org/ntsb/FTW02LA194.md): Grumman-Schweizer G-164A · Basile, LA · Accident · No injuries · Limited investigation · Final report · Jul 1, 2002 · N8917H · Substantial damage > the loss of engine power as a result of fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB FTW02LA152](https://openairdocs.org/ntsb/FTW02LA152.md): Grumman-Schweizer G-164A · Hathaway, LA · Accident · No injuries · Limited investigation · Final report · May 17, 2002 · N48533 · Substantial damage > the loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing. - [NTSB FTW98LA249](https://openairdocs.org/ntsb/FTW98LA249.md): Grumman G-164A · Iowa, LA · Accident · No injuries · Limited investigation · Final report · May 29, 1998 · N8629H · Substantial damage > partial loss of engine power during takeoff for undetermined reason(s). The obstructions (trees & dirt bank) were related factors. - [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 FTW95LA263](https://openairdocs.org/ntsb/FTW95LA263.md): Grumman G-164A · Cheneyville, LA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1995 · N8685H · Substantial damage > The pilot's failure to maintain adequate airspeed at a low altitude. - [NTSB FTW95LA217](https://openairdocs.org/ntsb/FTW95LA217.md): Grumman G-164A · Ville Platte, LA · Accident · No injuries · Limited investigation · Final report · May 23, 1995 · N48538 · Substantial damage > The pilot's failure to clear a levee during the approach. A factor was a truck parked on the runway. - [NTSB FTW95LA197](https://openairdocs.org/ntsb/FTW95LA197.md): Grumman G-164A · Abbeville, LA · Accident · No injuries · Limited investigation · Final report · May 12, 1995 · N8509H · Substantial damage > The inadvertent stall. - [NTSB DEN93LA076](https://openairdocs.org/ntsb/DEN93LA076.md): Grumman G-164A · Kaplan, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 12, 1993 · N9680 · Substantial damage > Failure of the spray rig which sprayed chemicals into the pilot's eyes temporarily blinding him. - [NTSB FTW92DRD05](https://openairdocs.org/ntsb/FTW92DRD05.md): Grumman G-164 · Thibodaux, LA · Accident · Minor injuries · Final report · Aug 17, 1992 · N8916H · Substantial damage > The pilot's failure to maintain clearance from the wires. - [NTSB FTW92LA137](https://openairdocs.org/ntsb/FTW92LA137.md): Grumman G-164A · Kinder, LA · Accident · No injuries · Limited investigation · Final report · May 15, 1992 · N8629H · Substantial damage > The failure of the left brake which led to a loss of directional control. A factor was the rough terrain immediately adjacent to the runway. - [NTSB FTW92LA116](https://openairdocs.org/ntsb/FTW92LA116.md): Grumman G-164A · Welsh, LA · Accident · No injuries · Limited investigation · Final report · Apr 14, 1992 · N9546 · Substantial damage > Partial power loss due to the cracked engine cylinder. A factor was the lack of suitable terrain for the forced landing. - [NTSB FTW92LA020](https://openairdocs.org/ntsb/FTW92LA020.md): Grumman G-164A · Epps, LA · Accident · No injuries · Limited investigation · Final report · Nov 6, 1991 · N4546 · Substantial damage > The loss of 1/2 of a propeller blade. Factors were powerplant vibration and resultant powerplant separation. - [NTSB DEN91LA077](https://openairdocs.org/ntsb/DEN91LA077.md): Grumman G-164A · Ville Platte, LA · Accident · Serious injuries · Limited investigation · Final report · May 27, 1991 · N48383 · Substantial damage > Premature pull up from an aerial application swath run resulting in a collision with an electrical transmission line. - [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 FTW90DRD07](https://openairdocs.org/ntsb/FTW90DRD07.md): Grumman G-164A · Ville Platte, LA · Accident · No injuries · Final report · May 2, 1990 · N8938H · Destroyed > Partial loss of engine power due to a cracked number four cylinder intake rocker box housing. The lack of a suitable forced landing site was a related factor. - [NTSB FTW89DRD14](https://openairdocs.org/ntsb/FTW89DRD14.md): Grumman G-164A · Franklin, LA · Accident · No injuries · Final report · Sep 8, 1989 · N7498 · Substantial damage > Fatigue failure of the propeller blade, which resulted in separation of the blade's tip and severe engine vibration. The soft terrain was a related factor. - [NTSB FTW89DRD11](https://openairdocs.org/ntsb/FTW89DRD11.md): Schweizer G-164A · Lake Arthur, LA · Accident · No injuries · Final report · Jul 19, 1989 · N48377 · Substantial damage > Loss of engine power for undetermined reasons. The high weeds (vegetation) & levee (dirt bank) were considered to be related factors. - [NTSB FTW89DRD07](https://openairdocs.org/ntsb/FTW89DRD07.md): Grumman-Schweizer G-164A · Morse, LA · Accident · No injuries · Final report · Jun 15, 1989 · N8916H · Substantial damage > Loss of engine power for an undetermined reason. The soft terrain was a contributing factor. - [NTSB FTW89DRD04](https://openairdocs.org/ntsb/FTW89DRD04.md): Schweizer G-164A · Oak Grove, LA · Accident · No injuries · Final report · May 23, 1989 · N8699H · Substantial damage > The pilot failed to perform adequate prelight planning/preparation before attempting a takeoff by failing to assure the runway condition. - [NTSB FTW89DRD03](https://openairdocs.org/ntsb/FTW89DRD03.md): Schweizer G-164A · Maxie, LA · Accident · 1 fatal · Final report · May 23, 1989 · N48467 · Destroyed > Failure of the pilot to maintain clearance from the trees. A factor related to the accident was: the presence of trees near the field where fertilizer was to be dispensed. - [NTSB FTW88DRD17](https://openairdocs.org/ntsb/FTW88DRD17.md): Schweizer G-164A · Mangham, LA · Accident · No injuries · Final report · Aug 14, 1988 · N7234 · Substantial damage > The ag airplane was spraying cotton when the engine started to vibrate. Pilot pulled airplane up and vibration was so bad power had to be reduced. Pilot made a forced landing in a muddy field. The left wing caught in tall grass and airplane cartwheeled. Pilot… - [NTSB FTW88DRD14](https://openairdocs.org/ntsb/FTW88DRD14.md): Grumman G-164A · Crowley, LA · Accident · Serious injuries · Final report · Jul 16, 1988 · N8580H · Destroyed > The agricultural pilot was working in a field which had telephone lines at one end and power lines at the other. On his last run, as he started his pull up, the airplane struck the power lines at one end of the field. The airplane went through the power… - [NTSB FTW88DRD09](https://openairdocs.org/ntsb/FTW88DRD09.md): Grumman G-164A · Basile, LA · Accident · No injuries · Final report · Jun 17, 1988 · N4243 · Substantial damage > During or after lift-off, the right landing gear axle assembly separated from the landing gear leg when the mounting bolts sheared. During landing, the airplane ground-looped and then flipped to the inverted position. - [NTSB FTW88DRD06](https://openairdocs.org/ntsb/FTW88DRD06.md): Grumman G-164A · Abbeville, LA · Accident · No injuries · Final report · May 28, 1988 · N7203 · Substantial damage > The ag plt had finished spreading his load of chemicals & was landing when the left brake failed to operate. He started to apply pwr for a go-around, but the eng coughed & did not respond properly. The plt then closed the throttle & appliedrgt brake to avoid… - [NTSB FTW88DRD04](https://openairdocs.org/ntsb/FTW88DRD04.md): Grumman G-164A · Rayne, LA · Accident · Minor injuries · Final report · May 19, 1988 · N8657H · Substantial damage > The pilot had made seven previous takeoffs in that airplane, that day, on the same airstrip. On this one, the OAT was 93 degrees f. the elevation was 10 feet MSL and the density altitude was 2300 feet. The airplane was 388 pounds overweight and the CG was.5… - [NTSB FTW88DRD02](https://openairdocs.org/ntsb/FTW88DRD02.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Final report · May 11, 1988 · N4708 · Substantial damage > The ag airplane was spraying over a rice field and was making a turn-around when the airplane settled into small trees and bushes. No problems were found with the airplane or powerplant. - [NTSB FTW88DRD01](https://openairdocs.org/ntsb/FTW88DRD01.md): Grumman G-164A · Port Allen, LA · Accident · No injuries · Final report · Oct 8, 1987 · N6743Q · Substantial damage > The pilot experienced a partial loss of power during pull-up from a swath run. He attempted to return to the field he was working in order to make an emergency landing but was unable to due to inadequate engine power. He landed in high vegetation and flipped… - [NTSB FTW87DRD11](https://openairdocs.org/ntsb/FTW87DRD11.md): Grumman G-164A · Bastrop, LA · Accident · 1 fatal · Final report · Aug 18, 1987 · N9685 · Minor damage > Three flagmen were working with one spray plane and three fields. On this pass, two of the flagmen moved to the proper positions but the other one had moved too FAR laterally. The pilot stated to the sheriff that he had observed the flagman stepping off the… - [NTSB FTW87DRD08](https://openairdocs.org/ntsb/FTW87DRD08.md): Grumman G-164A · Lacassine, LA · Accident · No injuries · Final report · Jul 7, 1987 · N9778 · Substantial damage > The pilot stated the aircraft's tail wheel broke during the takeoff roll causing the aircraft to veer to the right. The right wing contacted a small tree and the right main gear wheel dropped into a ditch which was parallel with the runway. Directional… - [NTSB FTW87DRD05](https://openairdocs.org/ntsb/FTW87DRD05.md): Grumman G-164 · Kaplan, LA · Accident · No injuries · Final report · Jun 5, 1987 · N7804 · Substantial damage > The plt was dispensing fertilizer on a rice field when the acft collided with six strands of a power line at about 20' AGL. The airplane then crashed to the ground & was substantially damaged. The power line poles were located outside the field boundry.… - [NTSB FTW86LRD18](https://openairdocs.org/ntsb/FTW86LRD18.md): Grumman G-164A · Bastrop, LA · Accident · No injuries · Final report · Jul 25, 1986 · N6718Q · Destroyed > The acft came to rest inverted with the engine under water after a power loss and forced landing. The plt stated that he started losing power in the turn to line up for his first aerial application run. The acft settled to ground impact in a landing attitude… - [NTSB FTW86LRD14](https://openairdocs.org/ntsb/FTW86LRD14.md): Grumman G-164A · Guedan, LA · Accident · No injuries · Final report · May 15, 1986 · N7371 · Destroyed > The pilot lost engine power at an altitude of about 150 feet AGL following takeoff. He impacted a raised roadbed during the forced landing, flipped inverted, slid to a stop, and burned. The fire damage prevented determination of the cause of engine failure. - [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 FTW85LA309](https://openairdocs.org/ntsb/FTW85LA309.md): Grumman G-164A · Tallulah, LA · Accident · No injuries · Limited investigation · Final report · Aug 7, 1985 · N962X · Substantial damage > During an aerial application operation, the eng lost power & the plt made an emergency landing in a soy bean field. While on the landing roll, the acft nosed over. The operator reported that he did not see or smell any fuel around the acft; he believed that… - [NTSB FTW85LA271](https://openairdocs.org/ntsb/FTW85LA271.md): Grumman G-164A · Tallulah, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1985 · N8375 · Destroyed > During initial climb after takeoff, the ag plt realized that he could not clear wires at the end of the rwy. The plt dumped his load of fertilizer and attempted to maneuver around the wires, however during the maneuver, the acft stalled. Investigation… - [NTSB FTW85LA252](https://openairdocs.org/ntsb/FTW85LA252.md): Grumman G-164A · Kaplan, LA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1985 · N7371 · Substantial damage > The left brake failed during the landing roll. The acft veered to the right of the rwy and ground looped. During the groundloop, the left tire blew and the tail wheel spring bolt assembly failed. Cause of the brake failure was not determined. - [NTSB FTW85LA235](https://openairdocs.org/ntsb/FTW85LA235.md): Grumman G-164A-450 · Basile, LA · Accident · No injuries · Limited investigation · Final report · May 6, 1985 · N8614H · Destroyed > The plt detected a fuel leak after takeoff and returned to land. He shut the acft eng down and exited the acft, but the acft busrt into flames before the prop stopped turing. Subsequent investigation discovered a material failure in a fuel line on the eng… - [NTSB FTW84LA364](https://openairdocs.org/ntsb/FTW84LA364.md): Grumman G-164A · Schriever, LA · Accident · No injuries · Limited investigation · Final report · Aug 30, 1984 · N5469 · Substantial damage > The plt stated that he had full fuel & a full load of spray when the eng exploded. The nature & cause of the pwr failurewas not determined & external examination of the eng revealed no evidence of a mechanical failure. - [NTSB FTW84LA262](https://openairdocs.org/ntsb/FTW84LA262.md): Grumman G-164A · Bell City, LA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1984 · N8661H · Substantial damage > A propeller counterweight bearing shaft failed after takeoff at max gross weight. A vibration occurred & the plt began dumping his load, but he was unable to maintain altitude. The aircraft landed in soft mud and nosed over when it collided with a rice levee… - [NTSB FTW84LA253](https://openairdocs.org/ntsb/FTW84LA253.md): Grumman G-164A · Kinder, LA · Accident · No injuries · Limited investigation · Final report · May 26, 1984 · N9693 · Substantial damage > The plt reported after the accident that he was dispensing fertilizer and had just flown through a heavy rain shower when the engine began to lose power. A forced landing was made in a flooded rice field and the acft nosed over. The pilot stated that he was… - [NTSB FTW84LA225](https://openairdocs.org/ntsb/FTW84LA225.md): Grumman G164A · Fenton, LA · Accident · No injuries · Limited investigation · Final report · May 7, 1984 · N48377 · Destroyed > The acft, while maneuvering at low alt, hit the ground and flipped inverted. The plt reported encountering a strong downdraft over a wooded area and in maneuvering to avoid the trees, the acft settled to the ground. The plt reported winds from 225 degrees at… - [NTSB FTW84LA185](https://openairdocs.org/ntsb/FTW84LA185.md): Grumman G-164A · Eunice, LA · Accident · No injuries · Limited investigation · Final report · Apr 4, 1984 · N9936 · Substantial damage > The plt reported that the engine lost power on takeoff and return to the rwy was not possible, so he landed on the edge of a pond. A post accident investigaiton revealed a crack in the #7 cyl head between the spark plug holes. The engine had just gotten a… - [NTSB FTW84LA145](https://openairdocs.org/ntsb/FTW84LA145.md): Grumman G-164A · Abbeville, LA · Accident · 1 fatal · Limited investigation · Final report · Feb 22, 1984 · N9728 · Destroyed > The plt was employed as a professional corporate & charter plt; however, he had not flown agricultural acft in several years. He had receently purchased half interest in the air sevice & was on his 1st refresher flt since then. While the plt was practicing a… - [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… Next page: https://openairdocs.org/ntsb.md?model=3952801&state=LA&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" = 'LA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952801')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=3952801&state=LA --- 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.