# Accident 20191228019919A: Cessna 170B, Missoula, MT, December 28, 2019

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 28, 2019, 12:45 local time
- Place: Missoula, MT
- Airport: Missoula International
- Damage: Substantial damage
- Phase of flight: Takeoff: Departure Roll
- Operating rules: General operating rules (Part 91)
- Location: 46.9158° N, 114.0894° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.9158&lon=-114.0894&mi=10
- Aircraft: N4476B, registered now (https://openairdocs.org/aircraft/N4476B) (OpenAirDocs)
- Registry model: Cessna 170B (registry code 2072306, https://openairdocs.org/model/cessna-170b) (OpenAirDocs)
- Registry engine: Continental C145 series (registry code 17012, https://openairdocs.org/engine/continental-c145-series) (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Reported engine: CONT MOTOR C145 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 1,071 total, 2 in this make and model, 33 in the last 90 days
- NTSB investigation: [NTSB WPR20CA053](https://openairdocs.org/ntsb/WPR20CA053) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20191228019919A

## Narrative

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

ON DECEMBER 28, 2019, AT 1245 MST, A CESSNA 170, N476B4, REGISTERED TO MONTANA FLYING SERVICE LLC, GROUND LOOPED ON TAKEOFF AT MISSOULA INTERNATIONAL AIRPORT, MISSOULA, MONTANA, WHILE ON A TRAINING FLIGHT. VISUAL METEOROLOGICAL

CONDITIONS PREVAILED AT THE TIME, AND A VFR FLIGHT PLAN WAS NOT FILED. THE

AIRCRAFT WAS SUBSTANTIALLY DAMAGED, AND NEITHER CERTIFICATED FLIGHT INSTRUCTORS WERE INJURED. THE FLIGHT ORIGINATED AT MISSOULA INTERNATIONAL AIRPORT, MISSOULA, MONTANA, ON DECEMBER 28, 2019, AT 1240 MST

## 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 WPR20CA053](https://openairdocs.org/ntsb/WPR20CA053), Dec 28, 2019: Cessna 170 (N4476B), Missoula, MT, substantial damage. Probable cause: The pilot receiving instruction's failure to maintain directional control during the takeoff roll, which resulted in a runway excursion and ground-loop, and the flight instructor’s failure to…

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.

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