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N428DF — Grumman S-2T Tracker air tanker
Photo by Steve Staunton / airport-data.com
CAL FIRE S-2T Airtanker

N428DF

UFUsda Forest Service Fepp
Aircraft
Grumman S-2T Tracker air tankerS2T
Operator
Usda Forest Service Fepp
Mode-S
A519A8
Registry
United States
FAA status
Valid

S2T registered to USDA Forest Service FEPP.

Where it flies

Every leg this tail has flown — brighter where it flies most. Home field is ringed.

Airport routes
Ukiah, CA
Home base · 41% of legs
13
Airports visited
Santa Rosa, CA ↔ Ukiah, CA
Busiest corridor · 11 trips
69
Trips tracked · latest trip Aug 9, 2026
2025-06 → 2026-08
Tracked span

Flight history

Every tracked trip with route and shape. Event tags mark calendar-linked trips; documented rows have a published JetSweep story or research note.

69 trips · 78 legs
We track the aircraft, not who is aboard. Ownership reflects the FAA registrant; attribution and purpose, where shown, are tiered by evidence. Some tails are blocked from public display.