# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B: Nose over/nose down

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 CEN23LA228](https://openairdocs.org/ntsb/CEN23LA228.md): Grumman Acft ENG Cor-Schweizer G-164 · Saffell, AR · Accident · No injuries · Class 4 · Limited · Final report · May 31, 2023 · N8405K · Substantial damage
  > The airplane’s encounter with a dust devil after takeoff, which resulted in a loss of lift, and a subsequent loss of control. Contributing to the accident was the presence of a dust devil in the airplane’s flight path.
- [NTSB CEN21LA296](https://openairdocs.org/ntsb/CEN21LA296.md): Grumman Acft ENG Cor-Schweizer G-164B · Hoxie, AR · Accident · No injuries · Class 4 · Limited · Final report · Jun 29, 2021 · N6611K · Substantial damage
  > The pilot’s failure to ensure an adequate fuel supply for the intended flight.
- [NTSB ERA19LA267](https://openairdocs.org/ntsb/ERA19LA267.md): Grumman G164 · Berlin, MD · Accident · No injuries · Class 3 · Limited · Final report · Sep 8, 2019 · N8386K · Substantial damage
  > The malfunction of the No. 9 pushrod, which resulted in a total loss of engine power.
- [NTSB WPR18LA189](https://openairdocs.org/ntsb/WPR18LA189.md): Grumman G164B · Colusa, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 9, 2018 · N6696K · Substantial damage
  > Total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB ERA16LA242](https://openairdocs.org/ntsb/ERA16LA242.md): Grumman Acft ENG Cor-Schweizer G-164 · Laurel, DE · Accident · No injuries · Limited investigation · Final report · Jul 2, 2016 · N6781K · Substantial damage
  > A total loss of engine power due to an encounter with a bird, which collided with the spray pump fan assembly and subsequently sent blade fragments into the engine compartment, damaging the throttle linkage.
- [NTSB ERA16LA130](https://openairdocs.org/ntsb/ERA16LA130.md): Grumman Acft ENG Cor-Schweizer G-164 · Myakka, FL · Accident · No injuries · Limited investigation · Final report · Mar 14, 2016 · N6654K · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical anomalies that would have precluded normal operation.
- [NTSB WPR15LA230](https://openairdocs.org/ntsb/WPR15LA230.md): Grumman G164 - B · Princeton, CA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2015 · N48452 · Substantial damage
  > The loss of engine power during an agricultural application flight due to a cylinder failure.
- [NTSB CEN15LA271](https://openairdocs.org/ntsb/CEN15LA271.md): Grumman Acft ENG Cor-Schweizer G 164B · Foster, NE · Accident · Minor injuries · Limited investigation · Final report · Jun 12, 2015 · N48687 · Substantial damage
  > The total loss of engine power during a low-level aerial application flight due to fuel exhaustion following the pilot’s inadequate preflight inspection that led to his assumption that sufficient fuel was on board for the flight based on his reliance on a…
- [NTSB ERA14LA321](https://openairdocs.org/ntsb/ERA14LA321.md): Grumman Acft ENG Cor-Schweizer G 164B · Farmington, DE · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2014 · N891JC · Substantial damage
  > The pilot's inadequate preflight planning for a takeoff in high-density altitude conditions and his decision to reduce power during the initial climb, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.
- [NTSB CEN13LA551](https://openairdocs.org/ntsb/CEN13LA551.md): Grumman Acft ENG Cor-Schweizer G 164B · Clemville, TX · Accident · No injuries · Limited investigation · Final report · Sep 4, 2013 · N8251K · Substantial damage
  > The uncommanded inflight application of parking brake due to a loose valve, which resulted in a noseover during landing.
- [NTSB ERA13LA029](https://openairdocs.org/ntsb/ERA13LA029.md): Grumman Acft ENG Cor-Schweizer G-164B · Edison, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 19, 2012 · N6670K · Substantial damage
  > The total loss of engine power due to the fatigue failure of the k-pin associated with the No. 1 cylinder.
- [NTSB WPR11LA384](https://openairdocs.org/ntsb/WPR11LA384.md): Grumman Acft ENG Cor-Schweizer G-164B · Oakesdale, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 2011 · N6628Q · Substantial damage
  > The pilot's decision to land with a high tailwind, which resulted in a nose-over.
- [NTSB WPR11CA128](https://openairdocs.org/ntsb/WPR11CA128.md): Schweizer G-164B · Buttonwillow, CA · Accident · No injuries · Data collection · Final report · Feb 5, 2011 · N6725K · Substantial damage
  > The pilot's failure to maintain clearance from an irrigation vent pipe.
- [NTSB CEN10CA426](https://openairdocs.org/ntsb/CEN10CA426.md): Grumman Acft ENG Cor-Schweizer G-164B · Alexandria, LA · Accident · No injuries · Data collection · Final report · Jul 22, 2010 · N6772Q · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB ERA10CA313](https://openairdocs.org/ntsb/ERA10CA313.md): Grumman Acft ENG Cor-Schweizer G-164B · Mayfield, KY · Accident · Serious injuries · Data collection · Final report · Jun 16, 2010 · N6780K · Substantial damage
  > The pilot's improper recovery from a bounced landing, resulting in a nose-over.
- [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 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 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 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.

## 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '096' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/096/sequence?model=3952802

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