# NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A, IA

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 CEN11CA497](https://openairdocs.org/ntsb/CEN11CA497.md): Grumman Schweizer G-164A · North English, IA · Accident · No injuries · Data collection · Final report · Jul 21, 2011 · N5439 · Substantial damage
  > The pilot's improper flare which resulted in a hard landing.
- [NTSB CEN09CA516](https://openairdocs.org/ntsb/CEN09CA516.md): Grumman Acft ENG Cor-Schweizer G-164A · Harlan, IA · Accident · No injuries · Data collection · Final report · Aug 10, 2009 · N4598 · Substantial damage
  > The pilot's failure to perform accurate weight and balance calculations which resulted in exceeding the maximum takeoff weight and the airplane's climb capability.
- [NTSB CHI07CA250](https://openairdocs.org/ntsb/CHI07CA250.md): Grumman G-164A · Vinton, IA · Accident · Minor injuries · Data collection · Final report · Aug 5, 2007 · N48558 · Destroyed
  > The pilot failed to maintain clearance from the power line while maneuvering during an aerial application flight. A factor was the power line.
- [NTSB CHI05LA229](https://openairdocs.org/ntsb/CHI05LA229.md): Grumman G-164A · Marshalltown, IA · Accident · No injuries · Limited investigation · Final report · Aug 12, 2005 · N9632 · Substantial damage
  > The loss of engine power for undetermined reasons during initial climb and the unsuitable landing area encountered by the pilot during a forced landing.
- [NTSB CHI02LA095](https://openairdocs.org/ntsb/CHI02LA095.md): Schweizer G-164A · Cascade, IA · Accident · Serious injuries · Limited investigation · Final report · Mar 20, 2002 · N9763 · Substantial damage
  > The pilot's inadequate preflight planning/preparation and his failure to maintain clearance with the wire. A factor associated with the accident was the wire that the airplane contacted.
- [NTSB MKC73FCD04](https://openairdocs.org/ntsb/MKC73FCD04.md): Grumman G164 · Northwood, IA · Accident · Serious injuries · Closed · Jul 15, 1972 · N7228 · Destroyed
- [NTSB MKC72DCD74](https://openairdocs.org/ntsb/MKC72DCD74.md): Grumman G-164A · Ottumwa, IA · Accident · Minor injuries · Closed · Jun 6, 1972 · N8384 · Destroyed

## 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."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3952801'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3952801&state=IA

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