EC 237 · East Central
Cycle 03SEP2026 · 1 airport · 472 words · FAA Chart Supplement, verbatim
Airports on this page: HYX/KHYX
MICHIGAN 237
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SAGINAW CO/H W BROWNE (HYX)(KHYX)
4 E UTC–5(–4DT) N43º26.00´ W83º51.74´ 602 B NOTAM FILE HYX
RWY 10–28:
H5002X100 (ASPH) S–60, D–72, 2D–101 HIRL
RWY 10:
REIL. PAPI(P4L)—GA 3.0º TCH 45´. Brush.
RWY 28:
MALSF. PAPI(P4L)—GA 3.0º TCH 44´. Trees.
RWY 05–23:
H2952X60 (ASPH) S–12.5 MIRL
RWY 05:
PAPI(P2L)—GA 3.0º TCH 25´. Thld dsplcd 119´. Fence.
RWY 23:
PAPI(P2R)—GA 3.0º TCH 25´. Thld dsplcd 129´. Road.
SERVICE:
S4 FUEL 100LL, JET A+ LGT ACTVT MALSF Rwy 28; REIL Rwy 10; PAPI Rwy 05, 23, 10, & 28; HIRL Rwy 10–28; MIRL Rwy 05–23—CTAF. PAPI Rwy 10 & 28 opr consly durg dalgt hrs.
AIRPORT REMARKS:
Attended Mon–Fri 1230–2200Z‡, Sat–Sun 1300–1700Z‡. Unatndd major hols. Parachute Jumping. Deer and lrg birds on and invof arpt. 100LL and Jet A+ avbl H24 self svc.
AIRPORT MANAGER:
989-295-0675
WEATHER DATA SOURCES:
AWOS–3P 118.325 (989) 752–3408.
COMMUNICATIONS:
CTAF/
UNICOM 122.8 ®
GREAT LAKES APP/DEP CON 120.95 (1030–0500Z‡) ®
CLEVELAND CENTER APP/DEP CON 127.7 when Great Lakes apch ctl clsd.
CLEARANCE DELIVERY PHONE:
For CD ctc Great Lakes Apch at 269-459-3345, when Apch clsd ctc Cleveland ARTCC at 440-774-0224/0490.
RADIO AIDS TO NAVIGATION:
NOTAM FILE MBS. (VL) (DH) VORW/DME 114.35 MBS Chan 90(Y) N43º31.90´ W84º04.64´ 125º 11.1 NM to fld. 663/3W. DME unusable: 185º–200º byd 14 NM VOR unusable: 145º–185º byd 40 NM 336º–338º byd 40 NM ILS/DME 111.35 I–HQW Chan 50(Y) Rwy 28. Class IT. Unmonitored. SAGINAW N43º31.90´ W84º04.64´ NOTAM FILE MBS. (VL) (DH) VORW/DME 114.35 MBS Chan 90(Y) at MBS Intl. 663/3W. DME unusable: 185º–200º byd 14 NM VOR unusable: 145º–185º byd 40 NM 336º–338º byd 40 NM ST CLAIR CO INTL (See PORT HURON on page 232)
ST HELEN (6Y6)
1 SE UTC–5(–4DT) N44º22.08´ W84º24.13´ 1198 NOTAM FILE LAN
RWY 12–30:
2600X120 (TURF)
RWY 12:
Thld dsplcd 812´. Trees.
RWY 30:
Thld dsplcd 988´. Road.
RWY 18–36:
2600X110 (TURF)
RWY 18:
Thld dsplcd 810´. Trees.
RWY 36:
Thld dsplcd 400´. Road.
AIRPORT REMARKS:
Unattended. CLOSED Dec–Mar & when snow covd. Deer & lrg birds on & invof arpt. Hngrs lctd 135 ft west of Rwy 18–36 cntrln. Rwy 12: rwy & dthr mkd with 3 ft cones. Rwy 30: rwy & dthr mkd with 3 ft cones. Rwy 18: rwy & dthr mkd with 3 ft cones. Rwy 36: rwy & dthr mkd with 3 ft cones.
AIRPORT MANAGER:
323-974-0409
COMMUNICATIONS:
CTAF 122.9
CLEARANCE DELIVERY PHONE:
For CD ctc Minneapolis ARTCC at 651-463-5588. DETROIT H–10G, 11A, L–28J IAP DETROIT H–10G, 11A, L–28J LAKE HURON EC, 3 SEP 2026 to 29 OCT 2026