ALO · Waterloo Rgnl · Amend

ALO: 2 changes (no action items) on 09 Jul 2026

Thu, 11 Jun 2026 09:01:00 +0000

FAA cycle effective 09 Jul 2026 at 0901Z, compared to 11 Jun 2026.

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

Thu, 04 Sep 2025 09:01:00 +0000

FAA cycle effective 02 Oct 2025 at 0901Z, compared to 04 Sep 2025.

Tower: Approach/departure control now provided by DSM (was ALO); control facility operator: Federal Aviation Admin (F) → none; approach/departure control: WATERLOO (ALO) → DES MOINES (DSM); secondary approach/departure control: ARTCC ZMP (MINNEAPOLIS, MN) (special) → ZMP (ARTCC); control facility approach/departure call: WATERLOO → none; primary control facility hours: 0600-2000 → none; facility type: tower plus terminal radar approach control (ATCT-TRACON) → air traffic control tower (ATCT); secondary control facility hours: 2000-0600 → none
Tower: ATC service: BASIC RADAR SVC CTC APCH CTL. → BASIC RADAR SVC
Frequency: Approach control radio call: WATERLOO → DES MOINES
Frequency: Frequency 126.75 (APCH/S DEP/S) removed
Remark: Remark updated: APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 118.9/251.15 (REMOTED FROM WATERLOO) WHEN DES MOINES APCH CTL CLSD.
FAA text: APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQS 118.9/251.15 (REMOTED FROM WATERLOO) WHEN DES MOINES APCH CTL CLSD.
Remark: Remark updated: FOR CD IF UNA ON 121.9 CTC WATERLOO ATCT AT 319-233-4835. WHEN WATERLOO ATCT CLSD, FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
FAA text: FOR CD IF UNA ON 121.9 CTC WATERLOO ATCT AT 319-233-4835. WHEN WATERLOO ATCT CLSD, FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Other: Radar ASR: removed (was hours 0600-2300)
Frequency: Tower hours changed: 0600-2000 → none listed local; frequency now provided by DSM (was ALO)

Tower: ATC service ARTS-II: no longer listed
Frequency: Frequency 118.9 now also listed for WATERLOO RCAG
Frequency: Frequency 121.9 now also listed for CD/P
Frequency: Frequency 251.15 now also listed for WATERLOO RCAG
Airport: Tower type: tower plus terminal radar approach control (ATCT-TRACON) → air traffic control tower (ATCT)

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

Thu, 12 Jun 2025 09:01:00 +0000

FAA cycle effective 10 Jul 2025 at 0901Z, compared to 12 Jun 2025.

Remark: New remark: ACR NA TWY A EAST OF RWY 12/30.
FAA text: ACR NA TWY A EAST OF RWY 12/30.
Remark: New remark: TWY A LGT BTN RWY 12/30 & ARMY AVN SUPPORT RAMP NA.
FAA text: TWY A LGT BTN RWY 12/30 & ARMY AVN SUPPORT RAMP NA.

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

Thu, 20 Mar 2025 09:01:00 +0000

FAA cycle effective 17 Apr 2025 at 0901Z, compared to 20 Mar 2025.

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

Thu, 23 Jan 2025 09:01:00 +0000

FAA cycle effective 20 Feb 2025 at 0901Z, compared to 23 Jan 2025.

Tower: Secondary approach control: CHICAGO ARTCC (APCH/S CALL IS CHICAGO ARTCC) → MINNEAPOLIS ARTCC (ARTCC ZMP (MINNEAPOLIS, MN)); secondary departure control: CHICAGO ARTCC (DEP/S CALL IS CHICAGO ARTCC) → MINNEAPOLIS ARTCC (ARTCC ZMP (MINNEAPOLIS, MN))
Remark: Remark updated: FOR CD CTC WATERLOO ATCT 319-233-4835. WHEN WATERLOO ATCT CLSD, FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
FAA text: FOR CD CTC WATERLOO ATCT 319-233-4835. WHEN WATERLOO ATCT CLSD, FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.

Airport: Responsible ARTCC name: CHICAGO → MINNEAPOLIS; ARTCC computer identifier: ZCG → ZCP; responsible ARTCC: ZAU → ZMP
Remark: Remark updated: APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQ 118.9 (REMOTED FROM WATERLOO) WHEN WATERLOO APCH CTL CLSD.
FAA text: APCH/DEP SVC PRVDD BY MINNEAPOLIS ARTCC ON FREQ 118.9 (REMOTED FROM WATERLOO) WHEN WATERLOO APCH CTL CLSD.

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