# NTSB investigations: Semco Balloon CHALLENGER

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 MIA95LA013](https://openairdocs.org/ntsb/MIA95LA013.md): Semco Challenger · Miami, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 29, 1994 · N2048J · Substantial damage
  > Failure of the basket suspension cables due to corrosion and overstress separations. Contributing to the accident was an inadequate annual inspection of the basket suspension cables by an authorized FAA repairman.
- [NTSB FTW78FPM21](https://openairdocs.org/ntsb/FTW78FPM21.md): Semco Chlngr · Tulsa, OK · Accident · Serious injuries · Closed · Jun 29, 1978 · N14554 · No damage
- [NTSB CHI78DEE55](https://openairdocs.org/ntsb/CHI78DEE55.md): Semco AX7 · Mchenry, IL · Accident · Serious injuries · Closed · Jun 24, 1978 · N35996 · Substantial damage
- [NTSB CHI78DEP02](https://openairdocs.org/ntsb/CHI78DEP02.md): Semco Chlngr · Mauston, WI · Accident · Serious injuries · Closed · Oct 16, 1977 · N14550 · No damage
- [NTSB FTW76AF022](https://openairdocs.org/ntsb/FTW76AF022.md): Semco TC-4 · Baton Rouge, LA · Accident · 1 fatal · Closed · Sep 19, 1975 · N3810 · Destroyed
- [NTSB CHI75AC032](https://openairdocs.org/ntsb/CHI75AC032.md): Semco AX-7 · Harvard, IL · Accident · 1 fatal · Closed · Oct 12, 1974 · N14545 · Minor 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8070802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8070802

---
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.