# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164B: Low altitude operation/event

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 CEN25LA231](https://openairdocs.org/ntsb/CEN25LA231.md): Grumman Acft ENG Cor-Schweizer G-164B · Lockport, LA · Accident · No injuries · Class 3 · Limited · Final report · Jul 1, 2025 · N8834H · Substantial damage
  > The pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.
- [NTSB WPR24LA282](https://openairdocs.org/ntsb/WPR24LA282.md): Grumman Acft ENG Cor-Schweizer G-164B · Durham, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 13, 2024 · N6633K · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines, which resulted in a wire strike.
- [NTSB CEN24LA257](https://openairdocs.org/ntsb/CEN24LA257.md): Grumman Acft ENG Cor-Schweizer G-164B · Sedgwick, AR · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 8, 2024 · N6500K · Substantial damage
  > The pilot’s failure to maintain clearance from a power line during the spray pass.
- [NTSB CEN23LA212](https://openairdocs.org/ntsb/CEN23LA212.md): Grumman Acft ENG Cor-Schweizer G-164B · Light, AR · Accident · Minor injuries · Class 4 · Limited · Final report · May 29, 2023 · N6678Q · Substantial damage
  > The pilot exceeding the climb capability of the airplane during takeoff which led to it settling into the ground.
- [NTSB WPR23LA120](https://openairdocs.org/ntsb/WPR23LA120.md): Grumman Acft ENG Cor-Schweizer G-164B · Vernalis, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 3, 2023 · N48492 · Substantial damage
  > The pilot’s failure to maintain clearance from a power line during a low-level aerial application flight.
- [NTSB CEN20CA347](https://openairdocs.org/ntsb/CEN20CA347.md): Grumman G164 · Scottsbluff, NE · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N48416 · Substantial damage
  > The pilot’s loss of visual reference during agricultural low-level flight, resulting in collision with power lines.
- [NTSB CEN13LA322](https://openairdocs.org/ntsb/CEN13LA322.md): Grumman Acft ENG Cor-Schweizer G-164B · Covington, OK · Accident · No injuries · Limited investigation · Final report · Jun 6, 2013 · N6754Q · Substantial damage
  > The airplane’s failure to climb after takeoff for reasons that could not be determined because postaccident examinations of the engine and airframe did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN10CA402](https://openairdocs.org/ntsb/CEN10CA402.md): Grumman Acft ENG Cor-Schweizer G-164B · Independence, IA · Accident · No injuries · Data collection · Final report · Jul 13, 2010 · N8260K · Substantial damage
  > The pilot's failure to pay attention to the power lines and his subsequent failure to maintain clearance from the corn field during the aerial application flight.
- [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 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.

## 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" = '220' 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/220/sequence?model=3952802

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