# Accident 19900929043379A: Helio HST550A, Mobile, AL, September 29, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 29, 1990, 10:17 local time
- Place: Mobile, AL
- Damage: Destroyed
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: Parachute jumping (Part 105)
- Location: 30.8093° N, 88.1899° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=30.8093&lon=-88.1899&mi=10
- Aircraft: N5779N, a cancelled registration (https://openairdocs.org/deregistered/N5779N-2012-12-10) (OpenAirDocs)
- Registry model: Helio HST-550A (registry code 4301006, https://openairdocs.org/model/helio-hst-550a) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PT6A-60A (registry code 52043, https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (OpenAirDocs)
- Reported make and model: HELIO HST550A
- Reported engine: PWA PT6A34
- People aboard: 9
- Fatal injuries: 0
- Pilot flight hours: 12,482 total, 410 in this make and model, 205 in the last 90 days
- NTSB investigation: [NTSB ATL90LA182](https://openairdocs.org/ntsb/ATL90LA182) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900929043379A

## Narrative

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

STRUCK TREES AND POWER LINE DEPARTING PARKING LOT WITH QUARTERING TAILWIND. REPORT PARTIAL POWERLOSS NOT CONFIRMED.

## 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 ATL90LA182](https://openairdocs.org/ntsb/ATL90LA182), Sep 29, 1990: Helio HST-550A (N5779N), Mobile, AL, destroyed. Probable cause: THE PILOT'S INTENTIONAL ATTEMPTED TAKEOFF WITH A KNOWN TAILWIND COMPONENT. FACTORS RELATING TO THE ACCIDENT WERE THE TAILWIND, TREES AND UTILITY LINES ON THE DEPARTURE END OF THE TAKEOFF AREA.

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.