# Accident 19900502018459A: Thundr AX9140S2, Napa, CA, May 2, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 2, 1990, 07:40 local time
- Place: Napa, CA
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 38.2508° N, 122.3095° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=38.2508&lon=-122.3095&mi=10
- Aircraft: N9112R, a cancelled registration (https://openairdocs.org/deregistered/N9112R-2013-06-07) (OpenAirDocs)
- Registry model: Thunder Balloons AX9-140 SII (registry code 8970116, https://openairdocs.org/model/thunder-balloons-ax9-140-sii) (OpenAirDocs)
- Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs)
- Reported make and model: THUNDR AX9140S2
- People aboard: 4
- Fatal injuries: 0
- NTSB investigation: [NTSB LAX90LA206](https://openairdocs.org/ntsb/LAX90LA206) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900502018459A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

WIND INCREASED DURING FLIGHT. LANDED HARD BOUNCED BALLOONED AND HIT HARD AGAIN. 12 MPH SURFACE WIND.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX90LA206](https://openairdocs.org/ntsb/LAX90LA206), May 2, 1990: Thunder and Colt AX9-140 (N9112R), Napa, CA, no damage. Probable cause: THE PILOT'S IMPROPER FLARE TECHNIQUE WHICH RESULTED IN A HARD LANDING. A FACTOR IN THE ACCIDENT WAS THE SUDDEN APPEARANCE OF A HIGH WIND CONDITION.

## Other reports on N9112R (1)

Matched to the same aircraft by N-number and date.

- [Accident 19900807031119A](https://openairdocs.org/incident/19900807031119A), Aug 7, 1990: Thundr AX9140S2 (N9112R), Napa, CA, Substantial damage. Severe wind gust and down draft forced balloon down to hard landing. Wad 30 miles from forecast thunderstorm.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
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.