# NTSB investigations: Head Balloons AX8-88: 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 SEA02LA122](https://openairdocs.org/ntsb/SEA02LA122.md): Head Balloons AX8-88 · Victor, ID · Accident · No injuries · Limited investigation · Final report · Jul 5, 2002 · N4522E · Substantial damage
  > The pilot's failure to maintain altitude/clearance from the power lines during the landing resulting in the balloon's impacting the wires. Contributing factors were the power lines and strong winds existent at the time.
- [NTSB FTW89FA081](https://openairdocs.org/ntsb/FTW89FA081.md): Head Balloons AX8-88 · Troy, TX · Accident · Serious injuries · Field investigation · Final report · Apr 16, 1989 · N4510H · Substantial damage
  > Improper planning/decision by the pilot, and inadequate supervision by the check pilot, which resulted in their failure to maintain clearance from the tree during the landing. Factors related to the accident were: the high wind & tree(s).

## 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 ('4280200')
    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=4280200&occurrence=220

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