SJN4
- Airline
- Air San Juan (SJN)
- Route
- Friday Harbor Airport (FRD/KFHR) → Bellingham International Airport (BLI/KBLI) At least one end of this route is not from our own observation.
- Last heard
- Aircraft
- N739BC · CESSNA 172 Skyhawk
- Positions recorded
- 15 As of 2026-10-03 17:51 UTC
Source: observations by the map.flights community network of ADS-B receivers; times in UTC.