amend
FAA cycle 29 Oct 2026 (upcoming) · updated
Butte, MT · Upcoming 29 Oct 2026 cycle

BTM KBTM

Bert Mooney
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No upcoming changes at BTMOn 29 Oct 2026 · current data stays the same

History since Aug 2024

▶Effective 03 Sep 2026ACT 1FYI 3
Remark
Remark removed: COMMUNICATIONS PRVDD BY GREAT FALLS RADIO ON FREQ 122.3 (COPPERTOWN RCO).
FAA text
COMMUNICATIONS PRVDD BY GREAT FALLS RADIO ON FREQ 122.3 (COPPERTOWN RCO).
FAA source ↗
Frequency
Flight service (FSS) 122.2 via the Butte outlet no longer available
FAA source ↗
Frequency
Flight service (FSS) 122.3 via the Coppertown outlet no longer available
FAA source ↗
Remark
Remark updated: FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
FAA text
FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
FAA source ↗
▶Effective 15 May 2025FYI 2
Airport
Cold temperature airport (altitude correction at or below): -25C → -24C
FAA source ↗
Remark
Remark updated: Cold temperature airport; altitude correction required at or below -24C.
FAA text
COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C.
FAA source ↗

Data: history · built 09 Oct 2026 1931Z

FAA cycle 29 Oct 2026 (upcoming) · updated . Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing. Amend is independent and not affiliated with the FAA. Data: FAA NASR and d-TPP. How it works · Status · Changelog · Privacy · Terms · Report a problem · Source