Dehavilland DHC-6 TWIN OTTER N166DH accident near Tullahoma, Tennessee, June 8, 2025
Dehavilland DHC-6 TWIN OTTER, registration N166DH, was involved in an accident near Tullahoma, Tennessee on June 8, 2025. The NTSB lists the highest injury level as serious, with 6 people on board. Case ERA25LA222 is in work.
ADS-B receivers recorded 7 minutes of the flight, reaching a maximum of 15,100 ft. The last recorded position was at 15:16 UTC, at 15,100 ft and 77 knots, climbing at 256 feet per minute, about 3 km from Tullahoma Rgnl (KTHA).
The nearest weather report, from KTHA (3 km away), showed wind 260° at 12 knots, visibility 6 miles or more, no ceiling reported (VFR conditions).
The aircraft is a de Havilland Canada DHC-6 Twin Otter 100 registered in United States (Mode S A1084B).
This page reconstructs the flight from public ADS-B data for information only. The NTSB report is the authority on what happened and why.
Key facts
- Date
- June 8, 2025
- Location
- Tullahoma, Tennessee
- Aircraft
- Dehavilland DHC-6 TWIN OTTER
- Registration
- N166DH
- Injuries
- Serious (6 on board)
- NTSB case
- ERA25LA222 (In work)
- Nearest airport
- Tullahoma Rgnl (KTHA)
- Recorded flight
- 7 min, max 15,100 ft
- Last recorded position
- 15:16 UTC, 15,100 ft, 77 kt
3D flight replay
Replay the recorded flight in 3D with the weather, light and terrain at the time, flight instruments reconstructed from the aircraft's ADS-B transmissions, and automatically detected events.
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Sources: NTSB case ERA25LA222; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.