N4321S

WBU · Beechcraft Bonanza

Flight

Status

Incomplete (signal lost)

Departure

Boulder Municipal Airport (WBU) — Boulder, United States

Departed

2026-10-02 14:52 UTC

Distance flown

341 km

Registration

Type

Beechcraft Bonanza

Max altitude

14,100 ft

Max ground speed

160 kt

Tracked

1h 18m · 340 km

Altitude (ft, max 14,100)

Ground speed (kt, max 160)

Altitude (ft, max 14,100)

Ground speed (kt, max 160)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

No airline on record.

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 14:52 UTC	N4321S	WBU → ? Boulder → ?	N4321S	Beechcraft Bonanza	Incomplete (signal lost)	341 km
2026-08-28 14:59 UTC	N4321S	WBU → WBU Boulder → Boulder	N4321S	Beechcraft Bonanza	Completed	437 km
2026-08-27 15:32 UTC	N4321S	WBU → WBU Boulder → Boulder	N4321S	Beechcraft Bonanza	Completed	283 km