# NTSB investigations: Balloon Works FIREFLY 7: Loss of control - in flight

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 FTW85LA153](https://openairdocs.org/ntsb/FTW85LA153.md): Balloon Works Firefly 7 · Arlington, TX · Accident · Serious injuries · Limited investigation · Final report · Mar 17, 1985 · N4065D · Destroyed
  > According to the passenger, a gust of wind caused the Balloon to become airborne prematurely and drift toward pwr lines. Aprx 25 ft from the wires the plt attempted to abort the takeoff by deflating the envelope. Just prior to wire contact the passenger…
- [NTSB MKC84LA276](https://openairdocs.org/ntsb/MKC84LA276.md): Balloon Works Firefly 7 · Cedar Rapids, IA · Accident · No injuries · Limited investigation · Final report · Sep 11, 1984 · N4066T · Substantial damage
  > The Balloon landed in a field and as wind drifted it, the envelope draped over a pwr line. The plt said his burner malfunctioned and caused the inaccurate landing. Another account was told later in which the plt switched to an empty propane tank for landing.…
- [NTSB CHI83LA134](https://openairdocs.org/ntsb/CHI83LA134.md): Balloon Works Firefly AX-7 · Augusta, MI · Accident · No injuries · Limited investigation · Final report · Mar 12, 1983 · N4057K · Substantial damage
  > The Balloon made a hard landing and ejected the pilot and passenger. The landing was made in a school parking lot. Afterdropping the occupants the Balloon contacted power lines with the envelope. The occurants were not injured.

## 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 ('1050100')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1050100&occurrence=250

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