EC 201 · East Central

Cycle 03SEP2026 · 0 airports · 350 words · FAA Chart Supplement, verbatim

MICHIGAN 201

INTERLOCHEN GREEN LAKE (Y88)

3 S UTC–5(–4DT) N44º36.34´ W85º45.41´ 866 NOTAM FILE LAN

RWY 05–23:

2800X170 (TURF)

RWY 05:

Thld dsplcd 409´. Trees.

RWY 23:

Thld dsplcd 1180´. Trees.

RWY 16–34:

1700X170 (TURF)

RWY 16:

Thld dsplcd 176´. Trees.

RWY 34:

Thld dsplcd 402´. Trees.

NOISE:

Noise sensitive area 1 NM north of arpt.

AIRPORT REMARKS:

Unattended. Arpt CLOSED Nov–Mar except for ski equipped acft. No snow removal. UAS oprg area south of Rwy 34 defined by mowed X shape. 460´ ant 2 NM north of arpt. Rwy 16–34 CLOSED when athletic fields in use on north end extdd cntrln. Rwy 05–23 and Rwy 16–34 and dsplcd thlds mkd with 3´ yellow cones. Admin bldg access; press V, then III & II simul, then I.

AIRPORT MANAGER:

231-409-7149

COMMUNICATIONS:

CTAF 122.9

CLEARANCE DELIVERY PHONE:

For CD ctc Minneapolis ARTCC at 651-463-5588.

IONIA CO (Y70)

3 S UTC–5(–4DT) N42º56.28´ W85º03.63´ 818 B NOTAM FILE Y70

RWY 10–28:

H4298X75 (ASPH) S–19 MIRL

RWY 10:

PAPI(P4L)—GA 3.0º TCH 25´.

RWY 28:

REIL. PAPI(P4L)—GA 3.0º TCH 22´.

RWY 18–36:

4261X340 (TURF) 0.3% up S

RWY 18:

Tree.

RWY 36:

Tree.

SERVICE:

S4 FUEL 100LL OX 3, 4 LGT ACTIVATE REIL Rwy 28; PAPI Rwy 10 and 28; MIRL Rwy 10–28—CTAF.

AIRPORT REMARKS:

Attended 1200–2000Z‡. Unattended major hols. Extensive soaring activity. Trees obst view btwn Rwy end 18 and Rwy end 10–28. Hospital and hospital helipad adj south of Rwy 10–28. Rwy 18–36 marked with 3´ yellow cones.

AIRPORT MANAGER:

616-902-2281

WEATHER DATA SOURCES:

AWOS–3P 118.9 (616) 523–1852.

COMMUNICATIONS:

CTAF/

UNICOM 122.8 GRAND RAPIDS

RCO 122.3 (LANSING RADIO) ®

GREAT LAKES APP/DEP CON 118.65 (1030–0500Z‡) ®

CHICAGO CENTER APP/DEP CON 128.4 (0500–1030Z‡)

CLEARANCE DELIVERY PHONE:

For CD ctc Great Lakes Apch at 269-459-3345, when Apch clsd ctc Chicago ARTCC at 630-906-8921.

COMM/NAV/WEATHER REMARKS:

Gldr ops conducted S of Rwy 10–28 and west of Rwy 18–36; use freq 123.3 in practice area. Gldrs use CTAF in tfc pat. IOSCO CO (See EAST TAWAS on page 178) IRON CO (See CRYSTAL FALLS on page 171) GREEN BAY CHICAGO L–28I IAP EC, 3 SEP 2026 to 29 OCT 2026