N421RR

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Helena Regional Airport (HLN) — Helena, United States

Departed

2026-09-30 01:02 UTC

Arrival

Billings Logan International Airport (BIL) — Billings, United States

Distance flown

271 km

Straight-line distance

279 km

Approach distance

40 km

Aircraft

Registration

N421RR

Type

Cessna 421 Golden Eagle

Altitude & speed

Max altitude

15,100 ft

Max ground speed

235 kt

Tracked

42m · 271 km

Altitude (ft, max 15,100)

Ground speed (kt, max 235)

Altitude (ft, max 15,100)

Ground speed (kt, max 235)

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.

Route map

Airlines

No airline on record.

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-09-30 01:02 UTC	N421RR	HLN → BIL Helena → Billings	N421RR	Cessna 421 Golden Eagle	Completed	271 km
2026-09-28 22:55 UTC	N421RR	BIL → ? Billings → ?	N421RR	Cessna 421 Golden Eagle	Incomplete (signal lost)	273 km
2026-09-28 20:05 UTC	N421RR	? → BIL ? → Billings	N421RR	Cessna 421 Golden Eagle	Completed (landing presumed)	706 km
2026-09-27 12:09 UTC	N421RR	? → ?	N421RR	Cessna 421 Golden Eagle	Incomplete (signal lost)	947 km
2026-09-27 08:05 UTC	N421RR	BIL → ? Billings → ?	N421RR	Cessna 421 Golden Eagle	Incomplete (signal lost)	245 km
2026-09-25 23:44 UTC	N421RR	BIL → BIL Billings → Billings	N421RR	Cessna 421 Golden Eagle	Completed	28 km
2026-09-07 11:05 UTC	N421RR	BIS → BIL Bismarck → Billings	N421RR	Cessna 421 Golden Eagle	Completed	618 km
2026-09-07 06:25 UTC	N421RR	ONA → BIS Winona → Bismarck	N421RR	Cessna 421 Golden Eagle	Completed	813 km
2026-09-07 01:14 UTC	N421RR	BIL → ONA Billings → Winona	N421RR	Cessna 421 Golden Eagle	Completed (landing presumed)	1345 km
2026-08-31 22:18 UTC	N421RR	? → BIL ? → Billings	N421RR	Cessna 421 Golden Eagle	Completed	249 km
2026-08-31 15:02 UTC	N421RR	BIL → ? Billings → ?	N421RR	Cessna 421 Golden Eagle	Incomplete (signal lost)	244 km
2026-08-22 12:19 UTC	N421RR	BIL → BIL Billings → Billings	N421RR	Cessna 421 Golden Eagle	Completed	619 km
2026-08-18 14:17 UTC	N421RR	BIL → BIL Billings → Billings	N421RR	Cessna 421 Golden Eagle	Completed	551 km
2026-08-17 23:21 UTC	N421RR	BIL → BIL Billings → Billings	N421RR	Cessna 421 Golden Eagle	Completed	26 km
2026-08-15 17:25 UTC	N421RR	BIL → BIL Billings → Billings	N421RR	Cessna 421 Golden Eagle	Completed	1122 km
2026-08-12 20:14 UTC	N421RR	BIL → BIL Billings → Billings	N421RR	Cessna 421 Golden Eagle	Completed	24 km
2026-08-11 21:51 UTC	N421RR	MSO → ? Missoula → ?	N421RR	Cessna 421 Golden Eagle	Incomplete (signal lost)	545 km
2026-08-10 20:59 UTC	N421RR	BIL → ? Billings → ?	N421RR	Cessna 421 Golden Eagle	Incomplete (signal lost)	348 km