✈ Spire
Tail-Tracer
Dashboard
Aircraft
Rotations
Operators
Airports
Delays
Globe
‹ Aircraft
N237SL
/ A2241C
32 flights over 16 days · 2.0 legs/day · base KBIL · Billings · operators: AIP
32
Flights
4
Airports served
3%
ADS-B observed
32
Ferry / no-flightnum
Aircraft identity
C-99
BE99
Alpine Aviation
· reg N237SL · built 1987
Beech · P&W PT6A SER ·
free OpenSky data
+ Photo / OSINT via Firecrawl (1 credit)
Rotation map
· last 14 days of legs
Daily rotations
2026-06-23
1 legs
AIP
KBIL → KCTB
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-19
2 legs
round-trip
AIP
KCTB → KBIL → KCTB
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-18
2 legs
round-trip
AIP
KBIL → KCTB → KBIL
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
KSBX
→
KBIL
KSBX · Shelby → KBIL · Billings
ferry
⚠ gap
AIP1942 · sched Z
2026-06-17
2 legs
round-trip
AIP
KCTB → KBIL → KCTB
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-16
3 legs
AIP
KGTF → KBIL → KBIL → KCTB
KGTF
→
KBIL
KGTF · Great Falls → KBIL · Billings
ferry
AIP2696 · sched Z
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
⚠ gap
AIP1942 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-15
1 legs
AIP
KBIL → KGTF
KBIL
→
KGTF
KBIL · Billings → KGTF · Great Falls
ferry
AIP2695 · sched Z
2026-06-12
2 legs
round-trip
AIP
KBIL → KCTB → KBIL
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
2026-06-11
2 legs
round-trip
AIP
KBIL → KCTB → KBIL
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · ⏱ 13:05– (Nonem)
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
2026-06-10
2 legs
round-trip
AIP
KBIL → KCTB → KBIL
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
2026-06-09
2 legs
round-trip
AIP
KBIL → KCTB → KBIL
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
KSBX
→
KBIL
KSBX · Shelby → KBIL · Billings
ferry
⚠ gap
AIP1942 · sched Z
2026-06-08
2 legs
round-trip
AIP
KGTF → KBIL → KGTF
KGTF
→
KBIL
KGTF · Great Falls → KBIL · Billings
ferry
AIP2696 · sched Z
KBIL
→
KGTF
KBIL · Billings → KGTF · Great Falls
ferry
AIP2695 · sched Z
2026-06-05
2 legs
round-trip
AIP
KBIL → KCTB → KBIL
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
KSBX
→
KBIL
KSBX · Shelby → KBIL · Billings
ferry
⚠ gap
AIP1942 · sched Z
2026-06-04
2 legs
AIP
KSBX → KBIL → KCTB
KSBX
→
KBIL
KSBX · Shelby → KBIL · Billings
ferry
AIP1942 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-03
2 legs
round-trip
AIP
KCTB → KBIL → KCTB
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-02
2 legs
round-trip
AIP
KCTB → KBIL → KCTB
KCTB
→
KBIL
KCTB · Cut Bank → KBIL · Billings
ferry
AIP1942 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
AIP1943 · sched Z
2026-06-01
3 legs
AIP
KGTF → KBIL → KGTF → KCTB
KGTF
→
KBIL
KGTF · Great Falls → KBIL · Billings
ferry
AIP2696 · sched Z
KCTB
→
KGTF
KCTB · Cut Bank → KGTF · Great Falls
ferry
⚠ gap
AIP2696 · sched Z
KBIL
→
KCTB
KBIL · Billings → KCTB · Cut Bank
ferry
⚠ gap
AIP2695 · sched Z