NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A
52 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the first occurrence was “Loss of engine power”. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1982 | 2 |
|---|---|
| 1983 | 3 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 4 |
| 1987 | 3 |
| 1988 | 4 |
| 1989 | 4 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 3 |
| 1998 | 5 |
| 2001 | 1 |
| 2002 | 2 |
| 2005 | 4 |
| 2006 | 2 |
| 2007 | 1 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = 350))
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CHI07LA221Accident · Serious injuriesLimited investigationFinal reportGrumman G-164A · Moline, ILFatigue failure of the engine cylinder during cruise flight resulting in a loss of engine power. Additional causes were the pilot's failure to maintain sufficient airspeed and the resulting inadvertent stall during the forced landing. A contributing factor…NTSB NYC06LA180Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Vineland, NJA loss of engine power due to foreign object damage for undetermined reasons. Contributing to the accident was the furrowed field.NTSB CHI06CA195Accident · No injuriesData collectionFinal reportGrumman G-164A · Lakeview, MIA loss of engine power for undetermined reasons. A factor associated with the accident was the low altitude at which the airplane was being operated when the loss of engine power occurred.NTSB CHI05LA229Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Marshalltown, IAThe loss of engine power for undetermined reasons during initial climb and the unsuitable landing area encountered by the pilot during a forced landing.NTSB CHI05LA220Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · New Boston, ILThe loss of engine power due to a cylinder failure and the unsuitable terrain encountered by the pilot during the forced landing.NTSB NYC05LA129Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Penn Yan, NYThe loss of engine power due to a fatigue fractured pushrod.NTSB DFW05CA094Accident · No injuriesData collectionFinal reportGrumman G-164A · Tuckerman, ARThe loss of engine power as result of the failure of the number nine cylinder.NTSB FTW02LA194Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Basile, LAthe loss of engine power as a result of fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW02LA152Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Hathaway, LAthe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.NTSB MIA01LA099Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Poplarville, MSa 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 CHI98LA301Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · La Moure, NDa loss of engine power due to undetermined reasons.NTSB FTW98LA292Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Lubbock, TXThe loss of engine power due to the collapsed of the engine induction air ducting. Factors were the inadequate maintenance inspection and the lack of suitable terrain for the pilot to execute the forced landing.NTSB FTW98LA258Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Lazbuddie, TXThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB FTW98LA249Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Iowa, LApartial loss of engine power during takeoff for undetermined reason(s). The obstructions (trees & dirt bank) were related factors.NTSB ATL98LA055Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Marianna, FLThe failure of maintenance personnel to secure the magneto cover that resulted in water contamination and the subsequent loss of engine power. A factor was rough and uneven terrain.NTSB ATL96LA117Accident · No injuriesLimited investigationFinal reportGrumman G164 · Dawson, GAloss of engine power for undetermined reason(s), which resulted in an overrun, an encounter with soft terrain, and a nose over.NTSB SEA96LA176Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Belgrade, MTloss of engine power for undetermined reason(s). A factor relating to the accident was: a ditch in the field where the forced landing was executed.NTSB CHI96LA247Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dighton, KSloss of engine power for undetermined reason(s). The crop and soft terrain in the emergency landing area were related factors.NTSB FTW95LA371Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Trumann, ARThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain available to the pilot to execute the forced landing.NTSB FTW95LA254Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cash, ARThe loss of engine power for undetermined reasons. Factors were the low altitude at which the power loss occurred and the lack of suitable terrain for a forced landing.NTSB LAX95LA192Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Colusa, CAthe pilot's misjudged flare height and timing, which resulted in an inadvertent stall and hard landing. Factors in the accident were the loss of engine power for undetermined reasons and the lack of a suitable forced landing area.NTSB ATL95LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Jakin, GAThe loss of engine power for undetermined reasons.NTSB FTW94LA042Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Parkin, ARThe total loss of engine power for undetermined reasons. A factor was the lack of suitable terrain available to the pilot for the forced landing.NTSB SEA93LA085Accident · Minor injuriesLimited investigationFinal reportSchweizer G-164A · Walla Walla, WAA loss of engine power for undetermined reasons. The lack of a suitable landing area was a factor.NTSB SEA92LA142Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Paul, IDLoss of engine power for undetermined reasons and aircraft control not possible by the pilot in command. A factor contributing to the accident was: rough/uneven terrain.NTSB SEA92LA125Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Coulee City, WAA loss of engine power for undetermined reasons. Factors include soft terrain.NTSB FTW92LA130Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Fisher, ARThe loss of complete engine for undetermined reasons. A factor was the low altitude and unsuitable terrain.NTSB FTW91DPG19Accident · No injuriesFinal reportGrumman G-164A · Allport, ARA loss of power for undetermined reason. A factor was the terrain on which the pilot made the forced landing.NTSB MKC90LA111Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Bald Knob, ARThe powerplant failure for undetermined causes. Contributing factor was unsuitable terrain.NTSB LAX89DUJ11Accident · No injuriesFinal reportGrumman G-164 · Mohave Valley, AZA loss of engine power for undetermined reasons.NTSB FTW89DRD11Accident · No injuriesFinal reportSchweizer G-164A · Lake Arthur, LALoss of engine power for undetermined reasons. The high weeds (vegetation) & levee (dirt bank) were considered to be related factors.NTSB FTW89DRD07Accident · No injuriesFinal reportGrumman-Schweizer G-164A · Morse, LALoss of engine power for an undetermined reason. The soft terrain was a contributing factor.NTSB FTW89DRG05Accident · No injuriesFinal reportGrumman-Schweizer G-164 · Edcouch, TXLoss of engine power for an undetermined reason. The corn crop was a contributing factor.NTSB MKC88LA162Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Elaine, ARDuring an aerial application operation, the pilot said that immediately after breaking ground on takeoff, the engine quit. He attempted to re-land on the remaining available runway, but ran off the end, hitting a ditch and nosing over. Cause of the engine…NTSB FTW88DRD17Accident · No injuriesFinal reportSchweizer G-164A · Mangham, LAThe 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 ATL88DKG07Accident · No injuriesFinal reportGrumman G164A · Clanton, ALNTSB FTW88DRG07Accident · No injuriesFinal reportGrumman G-164A · Alamo, TXThe pilot experienced a total loss of engine power during climb when he made his initial power reduction. The power loss was accompanied by a loud bang. A severe postaccident ground fire melted a large portion of the engine. A partial engine teardown was…NTSB ATL87DKG05Accident · No injuriesFinal reportSchweizer G-164A · Summerdale, ALThe pilot was about to engage in an aerial application operation. During climb the engine lost power, the chemical load was dumped and the airplane was landed in an adjacent field. On rollout the airplane hit a ditch and nosed over. Examination of the engine…NTSB ATL87LA184Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cottonwood, ALThe plt stated that everything was normal for the acft during the preflt and runup. He had just about completed his first swath run when he reptd that the engine shook a little and started backfiring. He pulled up and started across a swamp toward a paved…NTSB MKC87LA124Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Neelyville, MOThe ag pilot was making a low pass to wave his flagman out of the field. The engine response was slow and he was forced to land. To keep from hitting trees, pilot overbraked and flipped airplane forward to inverted position.NTSB ATL86FKG10Accident · Minor injuriesFinal reportGrumman American G-164A · Quitman, GAShortly after takeoff a loss of pwr was experienced. The plt attempted to land in a cotton field but the landing gear contacted a stump short of the field. The acft then contacted a ditch and nosed over. Post accident inspection revealed the supercharger…NTSB FTW86LRD18Accident · No injuriesFinal reportGrumman G-164A · Bastrop, LAThe 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 MKC86LA114Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Winona, KSThe pilot stated that he borrowed the airplane from his father to practice takeoffs and landings at his father's private, crop dusting airstrip. There were no chemicals onboard, according to the pilot. He further stated that on a go-around maneuver, and as he…NTSB FTW86LRD14Accident · No injuriesFinal reportGrumman G-164A · Guedan, LAThe 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 MKC85LA123Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Paragould, ARPilot 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 ATL85FLT04Accident · No injuriesFinal reportGrumman AG-CAT-G-114 · Madisonville, TNThe 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 FTW84LA364Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Schriever, LAThe 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 LAX83LA385Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Mohave Valley, AZDuring takeoff after reaching about 15 ft AGL, the plt heard a 'loud bang' & the acft shuddered. Immediately thereafter a substantial loss of power occurred. The plt stated he decreased the acft's pitch attitude to avoid stalling. Seconds later the left wing…NTSB MKC83LA138Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Poplar Bluff, MOAfter making 2 swath runs, the acft was in a procedure turn-around over a wooded area when the eng lost power. The plt tried to glide to a suitable area, but the acft hit the tops of trees & crashed. The owner stated the eng had a history of maintenance…NTSB LAX83LA128Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Williams Afb, AZWhile on a spray run, the eng lost power. Subsequently, the acft was damaged during a forced landing.