# Accident 19890805031209A: Cessna 170B, Boulder, CO, August 5, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 5, 1989, 09:30 local time
- Place: Boulder, CO
- Airport: Boulder Municipal Airport
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 39.9696° N, 105.2100° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.9696&lon=-105.2100&mi=10
- Aircraft: N2549D (not matched to a registry record)
- Reported make and model: CESSNA 170B
- Reported engine: CONT O300A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 80 total, 24 in this make and model, 28 in the last 90 days
- NTSB investigation: [NTSB DEN89LA191](https://openairdocs.org/ntsb/DEN89LA191) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890805031209A

## Narrative

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

LOST CONTROL ON LANDING THE TAIL WHEEL AIRCRAFT AND GROUND LOOPED.

## 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 DEN89LA191](https://openairdocs.org/ntsb/DEN89LA191), Aug 5, 1989: Cessna 170B (N2549D), Boulder, CO, substantial damage. Probable cause: THE STUDENT PILOT FAILED TO MAINTAIN DIRECTIONAL CONTROL DURING LANDING ROLL DUE TO IMPROPER USE OF THE FLIGHT CONTROLS.

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.