# NTSB investigations: Lycoming GO-480 series: In flight collision with object

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 DEN88LA123](https://openairdocs.org/ntsb/DEN88LA123.md): Helio H-295 · Encampment, WY · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1988 · N6454V · Destroyed
  > The plt stated he calculated the density altitude to have been 11,300 ft at takeoff. He said the acft was near max gross wt and that the grass strip he departed from was approx 1,500 ft long. The plt stated 'I was on the on the back side of the pwr curve as…
- [NTSB MKC85FPG03](https://openairdocs.org/ntsb/MKC85FPG03.md): Helio Courier H-295 · Winslow, AR · Accident · Serious injuries · Final report · Mar 22, 1985 · N6475V · Substantial damage
  > The left wing of the acft contacted a tree during an attempted takeoff from a 1200 ft long grass fld. The acft then rotated 180 degs and impacted the ground. The plt had landed the acft in the fld on 3/21/85 when deteriorating wx was encountered in-flight.…
- [NTSB ANC83FA126](https://openairdocs.org/ntsb/ANC83FA126.md): Helio H395 · Fairbanks, AK · Accident · 1 fatal · Field investigation · Final report · Jul 20, 1983 · N4156D · Substantial damage
  > Takeoff was from a dirt driveway which had a usable length 0F 330 ft before it curved north. Before takeoff, the plt hadbent several small trees back away from the driveway & tied them down so they would not interfere with the takeoff. There are numerous…

## 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" = 220))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41527&occurrence=220

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