# NTSB investigations: Head Balloons AX9-118

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 WPR19LA228](https://openairdocs.org/ntsb/WPR19LA228.md): Head AX9-118 · Galt, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 9, 2019 · N2027S · Minor damage
  > A loss of control following an adverse wind encounter.
- [NTSB ERA15LA319](https://openairdocs.org/ntsb/ERA15LA319.md): Head AX9 118 · New Holland, PA · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 2015 · N40104 · Minor damage
  > The pilot's failure to adequately secure the vent line, which resulted in the premature deflation of the balloon’s envelope and its subsequent contact with power lines. Contributing to the accident were the pilot's choice of an unsuitable landing area, which…
- [NTSB ERA10CA462](https://openairdocs.org/ntsb/ERA10CA462.md): Head Balloons AX9 118 · Hanover, NH · Accident · Serious injuries · Data collection · Final report · Sep 1, 2010 · N2267U · Minor damage
  > The balloon's encounter with an updraft, resulting in an immediate landing and an intentional collision with a tree.
- [NTSB WPR10LA161](https://openairdocs.org/ntsb/WPR10LA161.md): Head Balloons AX9 118 · Phoenix, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 16, 2010 · N3087D · Substantial damage
  > The pilot’s improper preflight inspection of the balloon’s rapid deflation system, which resulted in its inhibited functionality during landing.
- [NTSB CHI08CA227](https://openairdocs.org/ntsb/CHI08CA227.md): Head Balloons AX9-118 · Cook, MN · Accident · No injuries · Data collection · Final report · Jul 31, 2008 · N3106K · Destroyed
  > The pilot's decision to land in a confined area. Contributing to the accident were the hidden power transmission lines and the confined landing site.
- [NTSB LAX94LA162](https://openairdocs.org/ntsb/LAX94LA162.md): Head Balloons AX9-118 · Sedona, AZ · Accident · Serious injuries · Limited investigation · Final report · Mar 12, 1994 · N45289 · Substantial damage
  > the failure of the pilot lights and burners to relight in flight once extinguished due to the installation of an incorrect gas pressure regulator.

## 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 ('4280102', '05637CC'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4280102

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