# NTSB investigations: Lycoming O-320 series: 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 ANC25LA075](https://openairdocs.org/ntsb/ANC25LA075.md): Piper PA-18-150 · Palmer, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 11, 2025 · N8979D · Substantial damage
  > The pilot's excessive braking during the landing roll, resulting in a nose over.
- [NTSB ANC24LA006](https://openairdocs.org/ntsb/ANC24LA006.md): Charles J Kase Kase KUB · Big Lake, AK · Accident · No injuries · Class 4 · Limited · Final report · Nov 18, 2023 · N853AK · Substantial damage
  > The pilot’s selection of an unsuitable landing site that was covered in deep snow.
- [NTSB ANC22LA058](https://openairdocs.org/ntsb/ANC22LA058.md): Piper PA-18-150 · Port Alsworth, AK · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2022 · N14LD · Substantial damage
  > The pilot’s excessive use of brakes which resulted in a nose-over.
- [NTSB ANC22LA043](https://openairdocs.org/ntsb/ANC22LA043.md): Pepperd Greg J Caribou Cruiser · Wasilla, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 11, 2022 · N907GP · Substantial damage
  > The pilot's overapplication of brakes during landing, which resulted in a nose-over.

## 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 ('42389')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '096'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/096/cases?engine=42389

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