NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A
47 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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 | 3 |
|---|---|
| 1983 | 7 |
| 1984 | 3 |
| 1985 | 2 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 2 |
| 1991 | 1 |
| 1992 | 4 |
| 1993 | 4 |
| 1995 | 6 |
| 1996 | 4 |
| 1997 | 1 |
| 2001 | 1 |
| 2004 | 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\" = 351))
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" = 351))
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 FTW04CA246Accident · No injuriesData collectionFinal reportGrumman G-164A · Gilbert, LAThe 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 CHI01LA286Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Petersburg, NEThe 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 FTW98LA016Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Altus, OKThe loss of engine power due to the cracked cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB CHI96LA281Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164 · Grant, NEfatigue failure and subsequent catastrophic failure of the number nine cylinder. A factor was the corn.NTSB FTW96LA272Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Holyoke, COthe total failure of the engine main bearing. A factor was the soft terrain condition on which the forced landing was made.NTSB MIA96LA122Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Edison, GAFailure 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 FTW96LA132Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Dewitt, ARa 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 FTW96LA007Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Hamburg, ARLoss 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 FTW95LA317Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Mccrory, ARThe loss of engine power due to a cracked cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB FTW95LA297Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Osceola, ARThe loss of engine power due to a failed supercharger/blower. A factor was the lack of suitable terrain for a forced landing.NTSB FTW95LA293Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Simmesport, LAThe 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 SEA95LA138Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Burley, IDA 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 LAX95LA126Accident · No injuriesLimited investigationFinal reportSchweizer G-164A · Robbins, CAA 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 ATL93LA132Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Atmore, ALThe total failure of the engine supercharger, which resulted in engine stoppage. A factor was the rough terrain at the forced landing site.NTSB FTW93LA215Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Mccrory, ARThe loss of engine power due to cylinder failure. A factor was the lack of suitable terrain for the forced landing.NTSB ATL93LA116Accident · No injuriesLimited investigationFinal reportGrumman G164A · Brundidge, ALThe 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 LAX93LA200Accident · 1 fatalLimited investigationFinal reportGrumman 164A · Biggs, CAFailure 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 FTW92DPG06Accident · No injuriesFinal reportGrumman G-164A · Swifton, ARLoss of engine power. A factor was the lack of suitable terrain for forced landing.NTSB FTW92LA094Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Garwood, TXThe loss of engine power due to rocker arm failure. A factor was the unsuitable terrain.NTSB FTW92LA085Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Valley Mills, TXPower loss due inadequate maintenance and the resultant multiple maintenance discrepancies. A factor was the wet terrain.NTSB LAX92LA131Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Vernalis, CAThe 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 FTW91DRD03Accident · No injuriesFinal reportGrumman G-164A · Bonita, LAA power loss due to a cracked cylinder. A factor was the soft terrain in which the forced landing was performed.NTSB NYC90DFJ04Accident · No injuriesFinal reportSchweizer Grumman G-164A · Wayland, NYA cracked engine cylinder assembly, which resulted in loss of engine power.NTSB MIA90LA176Accident · No injuriesLimited investigationFinal reportGrumman 164-A · Dundee, MSImproper maintenance repair by an unknown person that initiated the engine failure and the forced landing.NTSB ATL89DKG05Accident · Minor injuriesFinal reportGrumman G-164A · Dawson, GAFailure of the number three cylinder head.NTSB SEA89LA121Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Colfax, WAImproper installation of the cylinder assembly. The terrain was not suitable for a successful forced landing.NTSB SEA89LA115Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Battle Mountain, NVThe 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 MKC89LA079Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Stuttgart, ARFailure 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 MKC88LA133Accident · No injuriesLimited investigationFinal reportGrumman 164A · Poplar Bluff, MOThe 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 MKC87LA072Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Dodge City, KSThe 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 LAX86DVA05Accident · No injuriesFinal reportGrumman G164A · Snelling, CAThe 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 FTW86FRD11Accident · No injuriesFinal reportGrumman G-164A · Crowley, LAThe 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 NYC86FHM02Accident · Serious injuriesFinal reportGrumman 164-A · Walden, NYThe 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 SEA85LA132Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Kendrick, IDThe 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 MKC85LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cotton Plant, ARDuring 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 DEN84LA192Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Murdo, SDThe 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 DEN84LA153Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Wiggins, COWhile 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 FTW83LA414Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Morse, LADuring 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 FTW83LA366Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Jennings, LAThe 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 LAX83LA332Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Buckeye, AZAfter 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 LAX83LA330Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Princeton, CAThe 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 FTW83LA320Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Dayton, TXThe 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 FTW83LA205Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Anahuac, TXThe 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 ATL83LA158Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Lexington, NCThe 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 FTW82DA239Accident · No injuriesFinal reportGrumman G-164A · Jennings, LAThe 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 FTW82FRD15Accident · Serious injuriesFinal reportGrumman G-164A · Egan, LAAs 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 SEA82DA058Accident · No injuriesFinal reportGrumman G-164A · S. Of Echo, ORDuring 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…