# NTSB investigations: Raven S55A, AK

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 ANC84LA104](https://openairdocs.org/ntsb/ANC84LA104.md): Raven S-55A · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jun 22, 1984 · N5562L · Substantial damage
  > While apchg to land on a school ground, the balloon plt lowered a drop line for the ground crew, then looked forward & saw a power line. He told the ground crew not to touch the drop line. The drop line contacted & pulled one power line into another, causing…
- [NTSB ANC83LA049](https://openairdocs.org/ntsb/ANC83LA049.md): Raven RX-7 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Feb 28, 1983 · N4195L · 2 aircraft · Substantial damage
  > The two balloons collided in mid air. One (N4195L) suffered a rip in the envelope which negated its lift, with burner full on. It descended at 500 RPM and made a hard landing. The hole in the envelope extended across 5 gore panels. The 2 balloons departed the…
- [NTSB ANC81DAG36](https://openairdocs.org/ntsb/ANC81DAG36.md): Raven S-55A · Anchorage, AK · Accident · Serious injuries · Closed · May 23, 1981 · N5561L · No damage

## 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" = 'AK' 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 ('7480402'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7480402&state=AK

---
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.