Piper Aircraft Corporation PA-60-601P N3635A accident near Del Norte, Colorado, September 27, 2025
Piper Aircraft Corporation PA-60-601P, registration N3635A, was involved in an accident near Del Norte, Colorado on September 27, 2025. The NTSB lists the highest injury level as none. Case CEN25LA398 is completed.
ADS-B receivers recorded 88 minutes of the flight after departing the Hays Rgnl area (KHYS), reaching a maximum of 15,400 ft. The last recorded position was at 22:17 UTC, at 14,325 ft and 247 knots, descending at 640 feet per minute, about 20 km from Alamosa/Bergman Fld (KALS).
The nearest weather report, from KALS (20 km away), showed wind 110° at 9 knots gusting 18, visibility 6 miles or more, ceiling 11,000 ft (VFR conditions).
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
- September 27, 2025
- Location
- Del Norte, Colorado
- Aircraft
- Piper Aircraft Corporation PA-60-601P
- Registration
- N3635A
- Injuries
- None
- NTSB case
- CEN25LA398 (Completed)
- Departure area
- Hays Rgnl (KHYS)
- Nearest airport
- Alamosa/Bergman Fld (KALS)
- Recorded flight
- 88 min, max 15,400 ft
- Last recorded position
- 22:17 UTC, 14,325 ft, 247 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 CEN25LA398; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.