# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B 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 2 of 9 · 426 cases ## Cases, newest first - [NTSB WPR10CA289](https://openairdocs.org/ntsb/WPR10CA289.md): Grumman Acft ENG Cor-Schweizer G-164B · Courtland, CA · Accident · Serious injuries · Data collection · Final report · Jun 13, 2010 · N6726Q · Substantial damage > The pilot's failure to maintain clearance from terrain during low-altitude maneuvers. - [NTSB WPR10LA212](https://openairdocs.org/ntsb/WPR10LA212.md): Grumman Acft ENG Cor-Schweizer G-164B · Buckeye, AZ · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 2010 · N48455 · Substantial damage > A partial loss of engine power during the takeoff roll for undetermined reasons. - [NTSB CEN10CA201](https://openairdocs.org/ntsb/CEN10CA201.md): Grumman G-164B · Forest City, MO · Accident · No injuries · Data collection · Final report · Apr 8, 2010 · N993QC · Substantial damage > The pilot's failure to maintain aircraft control during landing, which resulted in an encounter with wet/muddy terrain and a subsequent nose over. - [NTSB WPR10LA139](https://openairdocs.org/ntsb/WPR10LA139.md): Grumman Acft ENG Cor-Schweizer G-164B · Colfax, WA · Accident · No injuries · Limited investigation · Final report · Feb 18, 2010 · N6774Q · Substantial damage > A partial loss of engine power due to carburetor ice as a result of the pilot's failure to use carburetor heat. - [NTSB WPR10LA122](https://openairdocs.org/ntsb/WPR10LA122.md): Grumman Acft ENG Cor-Schweizer G-164B · Pullman, WA · Accident · No injuries · Limited investigation · Final report · Jan 30, 2010 · N6799K · Substantial damage > A partial loss of engine power during takeoff due to a bird's nest being sucked into the induction air ducting. - [NTSB WPR09CA393](https://openairdocs.org/ntsb/WPR09CA393.md): Grumman Acft ENG Cor-Schweizer G-164B · Westley, CA · Accident · No injuries · Data collection · Final report · Aug 13, 2009 · N6697Q · Substantial damage > The pilot’s inadequate preflight planning and preparation, and his decision to operate the airplane well in excess of its maximum gross weight. - [NTSB CEN09LA451](https://openairdocs.org/ntsb/CEN09LA451.md): Grumman Acft ENG Cor-Schweizer G-164B · Beaman, IA · Accident · No injuries · Limited investigation · Final report · Jul 10, 2009 · N6683K · Substantial damage > The loss of engine power during initial climb for undetermined reasons. - [NTSB WPR09LA228](https://openairdocs.org/ntsb/WPR09LA228.md): Ayres S2R-T34 · Marysville, CA · Accident · Serious injuries · Limited investigation · Final report · May 6, 2009 · N40208 · 2 aircraft · Substantial damage > The failure of both pilots to see and avoid the other airplane while making their final approach for landing. - [NTSB WPR09LA227](https://openairdocs.org/ntsb/WPR09LA227.md): Grumman G-164B · Colfax, WA · Accident · No injuries · Limited investigation · Final report · May 4, 2009 · N6628Q · Substantial damage > A total loss of engine power due to excessive wear in several carburetor components that led to a malfunction of the carburetor. - [NTSB CHI08CA240](https://openairdocs.org/ntsb/CHI08CA240.md): Grumman-Schweizer G-164B · Salem, IA · Accident · No injuries · Data collection · Final report · Aug 7, 2008 · N48412 · Substantial damage > The loss of engine power for an undetermined reason. Contributing to the accident was the high grass encountered during the landing roll. - [NTSB LAX08CA223](https://openairdocs.org/ntsb/LAX08CA223.md): Grumman Acft Eng G-164B · Patterson, CA · Accident · Minor injuries · Data collection · Final report · Jul 10, 2008 · N6792Q · Substantial damage > The pilot's failure to maintain clearance from obstacles while maneuvering. - [NTSB DFW08CA168](https://openairdocs.org/ntsb/DFW08CA168.md): Grumman G-164 · Tallulah, LA · Accident · Minor injuries · Data collection · Final report · Jun 23, 2008 · N54229 · Substantial damage > The pilot's failure to maintain aircraft control. Contributing to the accident was the pilot's failure to maintain adequate airspeed. - [NTSB DEN08LA106](https://openairdocs.org/ntsb/DEN08LA106.md): Grumman-Schweizer G-164B · O'Kean, AR · Accident · Serious injuries · Limited investigation · Final report · Jun 18, 2008 · N6601Q · Destroyed > An inadvertent accelerated stall. Contributing factors in this accident were the low airspeed, steep angle of bank, and heavy weight. - [NTSB LAX08LA177](https://openairdocs.org/ntsb/LAX08LA177.md): Grumman-Schweizer G-164B · Wilder, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 2008 · N48571 · Substantial damage > The loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing. - [NTSB LAX08CA082](https://openairdocs.org/ntsb/LAX08CA082.md): Grumman-Schweizer G-164B · Colfax, WA · Accident · No injuries · Data collection · Final report · Mar 22, 2008 · N63D · Substantial damage > The pilot's inadequate compensation for the wind conditions, failure to attain and maintain an adequate airspeed that resulted in a stall mush, and, the subsequent failure to maintain terrain and obstacle clearance during the takeoff initial climb.… - [NTSB CHI07CA214](https://openairdocs.org/ntsb/CHI07CA214.md): Grumman G-164B · Sheldon, IL · Accident · Minor injuries · Data collection · Final report · Jul 15, 2007 · N8449K · Substantial damage > The pilot's inability to maintain a proper rate of climb during takeoff. Factors associated with the accident were the pilot's failure to dump the chemical load and the ditch which the airplane contacted. - [NTSB CHI07CA131](https://openairdocs.org/ntsb/CHI07CA131.md): Grumman-Schweizer G-164B · Humphrey, AR · Accident · Minor injuries · Data collection · Final report · May 4, 2007 · N668FA · Destroyed > The pilot's failure to maintain sufficient clearance between the airplane and the power lines. A factor was the power lines. - [NTSB ATL07CA018](https://openairdocs.org/ntsb/ATL07CA018.md): Grumman G-164B · Pine Hill, AL · Accident · No injuries · Data collection · Final report · Nov 9, 2006 · N962QC · Substantial damage > The pilot's improper fuel management resulting in a total loss of engine power in cruise flight due to fuel exhaustion, subsequent forced landing to non suitable terrain, and an on-ground collision with tree stumps on the landing roll out. - [NTSB SEA06CA145](https://openairdocs.org/ntsb/SEA06CA145.md): Grumman-Schweizer G-164B · Lamont, WA · Accident · Minor injuries · Data collection · Final report · Jul 23, 2006 · N8376K · Substantial damage > The pilot's failure to maintain terrain clearance while maneuvering. - [NTSB NYC06LA178](https://openairdocs.org/ntsb/NYC06LA178.md): Grumman-Schweizer G-164B · Frederick, MD · Accident · No injuries · Limited investigation · Final report · Jul 11, 2006 · N6645Q · Substantial damage > A failure of the masterod, due to a hydraulic lock on a previous flight, which resulted in a total loss of engine power. - [NTSB DEN06CA081](https://openairdocs.org/ntsb/DEN06CA081.md): Grumman G-164B · Dighton, KS · Accident · Minor injuries · Data collection · Final report · Jun 1, 2006 · N14RY · Substantial damage > The broken rocker arm boss causing the number 1 cylinder exhaust valve to stay closed and subsequently the engine failed. A factor contributing to the accident was the soft field the airplane set down in. - [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 DFW06CA113](https://openairdocs.org/ntsb/DFW06CA113.md): Grumman-Schweizer G-164B · De Witt, AR · Accident · Minor injuries · Data collection · Final report · Apr 28, 2006 · N48717 · Destroyed > The pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds. - [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 DFW05CA236](https://openairdocs.org/ntsb/DFW05CA236.md): Grumman G-164B · Epps, LA · Accident · Serious injuries · Data collection · Final report · Sep 14, 2005 · N6667Q · Substantial damage > The pilot's failure to maintain clearance with the power lines. - [NTSB DFW05CA212](https://openairdocs.org/ntsb/DFW05CA212.md): Grumman G164B · Alexandria, LA · Accident · No injuries · Data collection · Final report · Aug 16, 2005 · N6903K · Substantial damage > The pilot's failure to maintain adequate airspeed which resulted in a stall. A contributing factor was the high density altitude. - [NTSB SEA05CA157](https://openairdocs.org/ntsb/SEA05CA157.md): Grumman G-164B · Paul, ID · Accident · No injuries · Data collection · Final report · Aug 3, 2005 · N8386K · Substantial damage > The failure of the pilot to maintain direction control during the landing roll, which resulted in a nose over. Contributing factors included the weeds and the wet, soft terrain.. - [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 DFW05LA147](https://openairdocs.org/ntsb/DFW05LA147.md): Grumman G-164B · Lake Charles, LA · Accident · No injuries · Limited investigation · Final report · Jun 4, 2005 · N6832K · Substantial damage > The failure of the propeller governor which resulted in a forced landing. A contributing factor was the transmission wire. - [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 CHI04LA220](https://openairdocs.org/ntsb/CHI04LA220.md): Allied Ag Cat Productions G-164B · Moville, IA · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 2004 · N48424 · Destroyed > The pilot's inadequate in-flight planning/decision by his failure to maintain obstacle clearance. Contributing factors were low altitude flying and the tree. - [NTSB CHI04LA217](https://openairdocs.org/ntsb/CHI04LA217.md): Grumman G-164-B · Bradford, IL · Accident · No injuries · Limited investigation · Final report · Aug 6, 2004 · N6677Q · Substantial damage > The pilot's misjudgment of speed and distance, and his failure to perform a go-around. Additional factors were the wet runway and the ditch. - [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 CHI04CA151](https://openairdocs.org/ntsb/CHI04CA151.md): Grumman-Schweizer G-164B · Hope, ND · Accident · No injuries · Data collection · Final report · Jun 10, 2004 · N48517 · Substantial damage > The pilot's failure to maintain clearance from the tree branches during the aerial-application flight. A factor to the accident was the trees. - [NTSB SEA04LA099](https://openairdocs.org/ntsb/SEA04LA099.md): Grumman G-164B · Midvale, ID · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 2004 · N8440K · Destroyed > The failure of the pilot to maintain clearance from the high tension powerline. A factor was the powerline. - [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 CHI02LA277](https://openairdocs.org/ntsb/CHI02LA277.md): Grumman-Schweizer G-164B · Martin, MI · Accident · No injuries · Limited investigation · Final report · Sep 6, 2002 · N48417 · Substantial damage > The pilot's inadequate aircraft preflight and his inability to abort the takeoff due to the obscured windshield. Contributing to the accident was the bent hopper latch and the pilot's failure to maintain directional control. - [NTSB LAX02LA232](https://openairdocs.org/ntsb/LAX02LA232.md): Grumman-Schweizer G-164B · Knights Landing, CA · Accident · No injuries · Limited investigation · Final report · Jul 20, 2002 · N6794K · Substantial damage > The pilot's inadequate visual lookout, resulting in an in-flight collision with wires. - [NTSB SEA02LA123](https://openairdocs.org/ntsb/SEA02LA123.md): Grumman-Schweizer G-164B · Weiser, ID · Accident · No injuries · Limited investigation · Final report · Jul 6, 2002 · N8440K · Substantial damage > The fracture of the number 3 cylinder exhaust pushrod resulting in the exhaust valve's inability to open during the exhaust cycle and the subsequent engine stoppage. Contributing factors were the ditch and elevated roadway which the aircraft crossed during… - [NTSB SEA02LA121](https://openairdocs.org/ntsb/SEA02LA121.md): Grumman-Schweizer G-164B · Shelley, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 2002 · N297AL · Destroyed > A loss of engine power due to the manufacturer's improperly machined threads, which prevented the cylinder base/head halves from being properly assembled, leading to fatigue propagation and the ultimate separation of the cylinder. A contributing factor was… - [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 FTW02LA132](https://openairdocs.org/ntsb/FTW02LA132.md): Grumman-Schweizer G-164B · Gillett, AR · Accident · No injuries · Limited investigation · Final report · Apr 29, 2002 · N6718K · Substantial damage > the pilot's failure to maintain directional control on landing. A contributing factor was the high vegetation. - [NTSB LAX02LA125](https://openairdocs.org/ntsb/LAX02LA125.md): Schweizer G-164B · Dixon, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2002 · N48631 · Substantial damage > The pilot lost directional control due to the unsuitable landing area. A contributing factor was the muddy runway condition. - [NTSB FTW01LA203](https://openairdocs.org/ntsb/FTW01LA203.md): Grumman G-164B · Lydia, LA · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 2001 · N48655 · Destroyed > the pilot's failure to maintain clearance with a marked tower while maneuvering. - [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 SEA01LA149](https://openairdocs.org/ntsb/SEA01LA149.md): Grumman G-164B · Quincy, WA · Accident · No injuries · Limited investigation · Final report · Aug 11, 2001 · N6774Q · Substantial damage > The failure of the impeller assembly as a consequence of impeller rub and binding within the impeller collector case for undetermined reasons. - [NTSB CHI01LA273](https://openairdocs.org/ntsb/CHI01LA273.md): Grumman G-164B · Hazelton, ND · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 2001 · N48624 · Destroyed > the pilot's ostentatious display when he performed a low level manuever and stalled the airplane. - [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. Next page: https://openairdocs.org/ntsb.md?model=3952802&page=3 ## 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')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=3952802&page=2 --- 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.