# NTSB investigations: Balloon Works FIREFLY 7-B: 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 FTW87LA073](https://openairdocs.org/ntsb/FTW87LA073.md): Balloon Works Firefly 7-B · Broken Arrow, OK · Accident · No injuries · Limited investigation · Final report · Mar 5, 1987 · N15253 · Substantial damage
  > The Balloon drifted into power lines just after liftoff. The pilot stated he was hooking up a new temperature gauge and did not notice that the Balloon was descending.
- [NTSB MKC83LA053](https://openairdocs.org/ntsb/MKC83LA053.md): Balloon Works Fire FLY 7-B · Greenwood, MO · Accident · No injuries · Limited investigation · Final report · Jan 8, 1983 · N1510D · Substantial damage
  > The student plt/owner was being instructed by a free Balloon plt with a commercial certificate. According to the commercial plt, the Balloon had been inflated, but the air was still not hot enough for flt, and the wind blowing over the envelope created a…

## 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.aircraft_model_code IN ('10501A9')
    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?model=10501A9&occurrence=220

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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.