Flow Through Trml Heliport (01MI)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	01MI
Airport Status	Operational
Longitude/Latitude	83°40'33.4600" W / 43°2'57.8700" N -83.675961 / 43.049408 (Estimated)
Elevation	736.00 ft / 224.33 m (Estimated)
Land	21 acres
Location	Genesee County, MI
Magnetic Variation	07W (1985)

Owner & Manager

Ownership	Privately owned
Owner	JOHNSTON'S ENTERPRISES, LLC
Address	7300 CLYDE PARK AVE SW BYRON CENTER, MI 49315-8387
Phone number	616-455-8850
Manager	MIKE EDDY
Address	4002 JAMES P COLE BLVD FLINT, MI 48505
Phone number	810-577-4816

Airport Operations and Facilities

Airport Use	Private
Wind indicator	Yes
Segmented Circle	No
Control Tower	NON-ATCT
Lighting Schedule	SEE RMK
Beacon Color	White-Green (lighted land airport)
Landing fee charge	No
Sectional chart	DETROIT
Region	AGL - Great Lakes
Responsible ARTCC	ZOB - CLEVELAND
Tie-in FSS	LAN - LANSING
FSS on Airport	No
FSS Toll Free	1-800-WX-BRIEF

Airport Communications

CTAF

122.9 MHz

Runway Information

Runway H1

Dimensions	50 x 50 ft (15 x 15 m)
Surface	CONC
Surface treatment
Edge lights	PERI

	H1
Physical elevation	736.00 ft	ft
Coordinates	43.049408 / -83.675961	0.000000 / 0.000000
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
PSI	DME	PONTIAC	47X	111.00		21.9 nm
MB	NDB	OLSTE		257.00	07W	33.2 nm
PH	NDB	PHURN		332.00	07W	49.1 nm
ECK	TACAN	PECK	87X	114.00	07W	43.8 nm
MTC	TACAN	SELFRIDGE	64X	133.70	06W	45.5 nm
MBS	VOR/DME	SAGINAW	90Y	114.35	03W	33.9 nm
FNT	VORTAC	FLINT	116X	116.90	06W	5.9 nm
SVM	VORTAC	SALEM	90X	114.30	03W	38.7 nm
DET	VOT	DETROIT CITY		111.60		48.5 nm
YIP	VOT	WILLOW RUN		108.85		49.5 nm

Remarks

• FOR CD CTC GREAT LAKES APCH AT 269-459-3345, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0224/0490.
• OPNS ARE CONDUCTED IN AN AREA FROM 60 DEG TO 100 DEG & FROM 185 DEG TO 260 DEG & FROM 340 DEG TO 360 DEG; WND INDICATOR IS MAINTAINED, AREA IS APPROPRIATELY MARKED.