✈ Spire Tail-Tracer

‹ Aircraft

N640AX / A86551

135 flights over 54 days · 2.5 legs/day · base KBIL · Billings · operators: AIP

135
Flights
10
Airports served
11%
ADS-B observed
135
Ferry / no-flightnum

Aircraft identity

1900C B190
Alpine Aviation · reg N640AX · built 1987
Beech · P&W CANADA PT6A-60A · free OpenSky data

Rotation map · last 14 days of legs

Daily rotations

2026-06-23 2 legs AIP
KGPI → KBIL → KBTM
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP9900 · ⏱ 10:12– (Nonem)
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
2026-06-17 1 legs AIP
KBIL → KGPI
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP1601 · sched Z
2026-06-16 2 legs round-trip AIP
KBIL → KGPI → KBIL
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · sched Z
2026-06-13 5 legs AIP
KBIL → KGTF → KBZN → KHLN → KBIL → KGPI
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry AIP2691 · sched Z
KHLN→ KBZN KHLN · Helena → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry ⚠ gap AIP2692 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry ⚠ gap AIP2691 · sched Z
2026-06-12 2 legs round-trip AIP
KGPI → KBIL → KGPI
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · sched Z
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
2026-06-11 2 legs round-trip AIP
KBIL → KGPI → KBIL
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · ⏱ 13:06–14:25 (79m)
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · ⏱ 15:09– (Nonem)
2026-06-10 2 legs round-trip AIP
KGPI → KBIL → KGPI
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · sched Z
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
2026-06-09 2 legs round-trip AIP
KGCC → KBIL → KGCC
KGCC→ KBIL KGCC · Gillette → KBIL · Billings ferry AIP2826 · ⏱ 23:42– (Nonem)
KBIL→ KGCC KBIL · Billings → KGCC · Gillette ferry AIP2827 · sched Z
2026-06-05 2 legs round-trip AIP
KGPI → KBIL → KGPI
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · ⏱ 15:43– (Nonem)
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
2026-06-04 2 legs round-trip AIP
KGPI → KBIL → KGPI
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP1602 · sched Z
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
2026-06-03 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-06-02 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-05-29 2 legs round-trip AIP
KBIL → KMLS → KBIL
KBIL→ KMLS KBIL · Billings → KMLS · Miles City ferry AIP1530 · sched Z
KGDV→ KBIL KGDV · Glendive → KBIL · Billings ferry ⚠ gap AIP1531 · sched Z
2026-05-28 2 legs AIP
KGDV → KBIL → KMLS
KGDV→ KBIL KGDV · Glendive → KBIL · Billings ferry AIP1531 · sched Z
KBIL→ KMLS KBIL · Billings → KMLS · Miles City ferry AIP1530 · sched Z
2026-05-23 5 legs AIP
KHLN → KBZN → KHLN → KBIL → KGTF → KGPI
KHLN→ KBZN KHLN · Helena → KBZN · Bozeman ferry AIP2692 · sched Z
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry ⚠ gap AIP2692 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry AIP2691 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry AIP2691 · sched Z
2026-05-16 6 legs round-trip AIP
KGPI → KHLN → KBZN → KBTM → KBIL → KGTF → KGPI
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry AIP2692 · ⏱ 19:01– (Nonem)
KBTM→ KBZN KBTM · Butte → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KHLN→ KBTM KHLN · Helena → KBTM · Butte ferry ⚠ gap AIP2692 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry AIP2691 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry AIP2691 · sched Z
2026-05-15 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-05-14 2 legs round-trip AIP
KBIL → KSLC → KBIL
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
2026-05-13 1 legs AIP
KSLC → KBIL
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
2026-05-12 1 legs AIP
KBIL → KSLC
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-05-11 2 legs round-trip AIP
KBIL → KSLC → KBIL
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP523 · sched Z
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP523 · sched Z
2026-05-09 5 legs AIP
KGTF → KGPI → KBIL → KBZN → KGTF → KHLN
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry AIP2691 · ⏱ 14:57– (Nonem)
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
KHLN→ KBZN KHLN · Helena → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry ⚠ gap AIP2691 · sched Z
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry ⚠ gap AIP2692 · sched Z
2026-05-08 2 legs round-trip AIP
KBIL → KBTM → KBIL
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
2026-05-07 2 legs round-trip AIP
KBTM → KBIL → KBTM
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
2026-05-06 2 legs round-trip AIP
KBTM → KBIL → KBTM
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
2026-05-05 2 legs round-trip AIP
KBIL → KBTM → KBIL
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
2026-05-04 2 legs round-trip AIP
KBTM → KBIL → KBTM
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1599 · sched Z
2026-05-02 5 legs AIP
KGPI → KHLN → KGTF → KBZN → KGPI → KBIL
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry AIP2692 · ⏱ 19:06– (Nonem)
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry ⚠ gap AIP2691 · sched Z
KHLN→ KBZN KHLN · Helena → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry ⚠ gap AIP2691 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
2026-05-01 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-04-30 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-04-29 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-04-28 2 legs round-trip AIP
KBIL → KMLS → KBIL
KBIL→ KMLS KBIL · Billings → KMLS · Miles City ferry AIP1530 · sched Z
KGDV→ KBIL KGDV · Glendive → KBIL · Billings ferry ⚠ gap AIP1531 · sched Z
2026-04-25 6 legs AIP
KGTF → KGPI → KHLN → KBTM → KGTF → KBZN → KBIL
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry AIP2691 · sched Z
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry AIP2692 · sched Z
KHLN→ KBTM KHLN · Helena → KBTM · Butte ferry AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry ⚠ gap AIP2691 · sched Z
KBTM→ KBZN KBTM · Butte → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry AIP2692 · sched Z
2026-04-24 2 legs round-trip AIP
KBIL → KBTM → KBIL
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP99 · sched Z
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
2026-04-23 2 legs round-trip AIP
KBIL → KBTM → KBIL
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
2026-04-22 2 legs round-trip AIP
KBIL → KBTM → KBIL
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
2026-04-21 2 legs round-trip AIP
KBTM → KBIL → KBTM
KBTM→ KBIL KBTM · Butte → KBIL · Billings ferry AIP1599 · sched Z
KBIL→ KBTM KBIL · Billings → KBTM · Butte ferry AIP1500 · sched Z
2026-04-18 6 legs round-trip AIP
KGPI → KHLN → KBZN → KGTF → KBTM → KBIL → KGPI
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry AIP2692 · ⏱ 18:50– (Nonem)
KBTM→ KBZN KBTM · Butte → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry ⚠ gap AIP2691 · sched Z
KHLN→ KBTM KHLN · Helena → KBTM · Butte ferry ⚠ gap AIP2692 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry ⚠ gap AIP2691 · sched Z
2026-04-17 3 legs AIP
KBIL → KGPI → KBIL → KHLN
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
KHLN→ KBIL KHLN · Helena → KBIL · Billings ferry ⚠ gap AIP1592 · sched Z
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry ⚠ gap AIP223 · sched Z
2026-04-15 2 legs round-trip AIP
KGPI → KBIL → KGPI
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · ⏱ 15:04– (Nonem)
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
2026-04-14 2 legs round-trip AIP
KBIL → KGPI → KBIL
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP2601 · sched Z
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP2602 · sched Z
2026-04-13 2 legs round-trip AIP
KGDV → KBIL → KGDV
KGDV→ KBIL KGDV · Glendive → KBIL · Billings ferry AIP1531 · sched Z
KBIL→ KGDV KBIL · Billings → KGDV · Glendive ferry AIP1530 · sched Z
2026-04-11 4 legs round-trip AIP
KGTF → KGPI → KBIL → KBZN → KGTF
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry AIP2691 · ⏱ 15:59– (Nonem)
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · ⏱ 22:43– (Nonem)
KGPI→ KBZN KGPI · Kalispell → KBZN · Bozeman ferry ⚠ gap AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry ⚠ gap AIP2691 · sched Z
2026-04-06 1 legs AIP
KGPI → KBIL
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP1602 · sched Z
2026-04-05 1 legs AIP
KBIL → KGPI
KBIL→ KGPI KBIL · Billings → KGPI · Kalispell ferry AIP4547 · ⏱ 13:39–14:57 (79m)
2026-04-04 5 legs AIP
KGPI → KHLN → KBIL → KGTF → KGPI → KBZN
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry AIP2692 · ⏱ 19:10– (Nonem)
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP4547 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry AIP2691 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry AIP2691 · sched Z
KHLN→ KBZN KHLN · Helena → KBZN · Bozeman ferry ⚠ gap AIP4547 · sched Z
2026-04-03 2 legs round-trip AIP
KBIL → KMLS → KBIL
KBIL→ KMLS KBIL · Billings → KMLS · Miles City ferry AIP21 · sched Z
KMLS→ KBIL KMLS · Miles City → KBIL · Billings ferry AIP1531 · sched Z
2026-04-02 2 legs round-trip AIP
KBIL → KMLS → KBIL
KBIL→ KMLS KBIL · Billings → KMLS · Miles City ferry AIP21 · sched Z
KMLS→ KBIL KMLS · Miles City → KBIL · Billings ferry AIP1531 · sched Z
2026-04-01 2 legs round-trip AIP
KMLS → KBIL → KMLS
KMLS→ KBIL KMLS · Miles City → KBIL · Billings ferry AIP1531 · sched Z
KBIL→ KMLS KBIL · Billings → KMLS · Miles City ferry AIP1530 · sched Z
2026-03-31 2 legs AIP
KMLS → KBIL → ?
KMLS→ KBIL KMLS · Miles City → KBIL · Billings ferry AIP1531 · sched Z
KBIL→ ? KBIL · Billings → — ferry AIP1530 · sched Z
2026-03-28 5 legs AIP
KGPI → KHLN → KBZN → KGPI → KBIL → KGTF
KGPI→ KHLN KGPI · Kalispell → KHLN · Helena ferry AIP2692 · ⏱ 19:00– (Nonem)
KHLN→ KBZN KHLN · Helena → KBZN · Bozeman ferry AIP2692 · sched Z
KGTF→ KGPI KGTF · Great Falls → KGPI · Kalispell ferry ⚠ gap AIP2691 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry ⚠ gap AIP2692 · sched Z
KBIL→ KGTF KBIL · Billings → KGTF · Great Falls ferry AIP2691 · sched Z
2026-03-27 2 legs round-trip AIP
KBIL → KBZN → KBIL
KBIL→ KBZN KBIL · Billings → KBZN · Bozeman ferry AIP40 · sched Z
KBZN→ KBIL KBZN · Bozeman → KBIL · Billings ferry AIP40 · sched Z
2026-03-26 2 legs round-trip AIP
KSLC → KBIL → KSLC
KSLC→ KBIL KSLC · Salt Lake City → KBIL · Billings ferry AIP303 · sched Z
KBIL→ KSLC KBIL · Billings → KSLC · Salt Lake City ferry AIP302 · sched Z
2026-03-25 1 legs AIP
KGPI → KBIL
KGPI→ KBIL KGPI · Kalispell → KBIL · Billings ferry AIP17 · sched Z