4U9 · Hyak Airbase · Amend

4U9: 5 changes (1 action item) on 29 Oct 2026

Thu, 01 Oct 2026 09:01:00 +0000

FAA cycle effective 29 Oct 2026 at 0901Z, compared to 01 Oct 2026.

Airport: Ownership: publicly owned (PU) → privately owned (PR)
Remark: Removed runway 14/32 surface remark: Large cracks with protruding weeds throughout runway surface.
FAA text: LARGE CRACKS WITH PROTRUDING WEEDS THROUGHOUT RY SFC.
Runway: Runway 15: obstacle clearance slope: 20:1 → none; marking condition: good → none; controlling obstacle marking: marked (M) → none; threshold crossing height: 30 ft AGL → none; visual glide slope indicator: 2-light PAPI on left side of runway (P2L) → none; visual glide path angle: 3.5° → none
Runway: Runway 33: controlling obstacle: ROAD 17 ft tall, 483 ft from threshold, 0 ft either side of centerline → none listed; obstacle clearance slope: 16:1 → none; marking condition: good → none

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

Thu, 03 Sep 2026 09:01:00 +0000

FAA cycle effective 01 Oct 2026 at 0901Z, compared to 03 Sep 2026.

Airport: Airport name: Dell Flight Strip → Hyak Airbase
Remark: Revised remark: Airfield surface condition unmonitored.
FAA text: AFLD SFC COND UNMONITORED.

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

Thu, 06 Aug 2026 09:01:00 +0000

FAA cycle effective 03 Sep 2026 at 0901Z, compared to 06 Aug 2026.

Airport: Beacon: white-green (lighted land airport) (WG) → none; beacon schedule: sunset-sunrise (SS-SR) → none
Remark: New remark: LANDING FEES FOR ACFT 12500 LBS AND OVER. PPR.
FAA text: LANDING FEES FOR ACFT 12500 LBS AND OVER. PPR.

Airport: Airport phone number changed to 406-925-3121; name changed: Mike Marsh → Shauna Brewer
Airport: Name changed: Hayak Airbase Llc → Hyak Airbase Llc
Remark: New remark: AFLD SFC COND UNMONITORED 0000-2400
FAA text: AFLD SFC COND UNMONITORED 0000-2400

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

Thu, 27 Nov 2025 09:01:00 +0000

FAA cycle effective 25 Dec 2025 at 0901Z, compared to 27 Nov 2025.

Remark: Remark removed: RY 14/32 MKD WITH NUMBERS ONLY. NUMBERS NSTD SIZE AND FADED.
FAA text: RY 14/32 MKD WITH NUMBERS ONLY. NUMBERS NSTD SIZE AND FADED.
Runway: Runway 14/32: pavement now in excellent condition
Runway: Runway 14: markings now in good condition; markings: nonstandard (other than numbers only) (NSTD) → basic (BSC)
Runway: Runway 32: markings now in good condition; markings: nonstandard (other than numbers only) (NSTD) → basic (BSC)

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.

Thu, 03 Oct 2024 09:01:00 +0000

FAA cycle effective 31 Oct 2024 at 0901Z, compared to 03 Oct 2024.

Airport: Airport phone number changed to 406-276-3340; airport contact address: BOX 200507 → PO BOX 164; name changed: Tim Conway → Mike Marsh; airport contact city: HELENA → LIMA; airport contact zip code: 59620 → 59739
Airport: Airport contact address: PO BOX 200507 → PO BOX 164; name changed: Montana Aeronautics Division → Hayak Airbase Llc

Not for navigation. Always use official FAA publications, NOTAMs and a proper preflight briefing.