# NTSB investigations: Lycoming GO-480 series: Nose over

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 SEA91LA244](https://openairdocs.org/ntsb/SEA91LA244.md): Grumman G-44 · Metaline Falls, WA · Accident · No injuries · Limited investigation · Final report · Sep 7, 1991 · N63350 · Substantial damage
  > The pilot's inadvertent use of the parking brake. A factor contributing to the accident was the absence of the parking brake on the landing checklist.
- [NTSB CHI86LA203](https://openairdocs.org/ntsb/CHI86LA203.md): Republic RC-3 · Keego Harbor, MI · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1986 · N113G · Substantial damage
  > According to the pilot, as he was preparing to land on a lake and was at an altitude of approximately 100 feet, he noticed that he did not have full flaps down. He then reached down, and by error, lowered the landing gear instead of the flaps. During…
- [NTSB CHI83LA173](https://openairdocs.org/ntsb/CHI83LA173.md): Grumman G-44 · Fond Du Lac, WI · Accident · Minor injuries · Limited investigation · Final report · Apr 19, 1983 · N99431 · Substantial damage
  > The pilot became preoccupied with a minor electrical problem and did not raise the landing gear before making a landing on water. Upon water contact, the landing gear effected enough drag to nose the aircraft over.
- [NTSB ANC82DAG24](https://openairdocs.org/ntsb/ANC82DAG24.md): Helio H-395 · Gulkana, AK · Accident · No injuries · Final report · May 8, 1982 · N4156D · Substantial damage
  > The pilot departed fairbanks, Alaska in his wheel equipped Helio H-395 and proceeded on a flight to Gulkana, Alaska. While en route, he elected to land on an island near the junction of the susitna and oshetina rivers. During the landing, the gear fell…

## 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.engine_model_code IN ('41527')
    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" = 300))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41527&occurrence=300

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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.