Clinton County Airport

I66 · Wilmington, OH · 1,033 ft elevation · var 5W · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: I66
Coordinates: 39.5033, -83.8628
Elevation: 1,033 ft MSL
Magnetic variation: 5W
Sectional chart: CINCINNATI
Airport use: Public
Control tower: No
ARTCC: INDIANAPOLIS (ZID)
Flight service (FSS): DAYTON
NOTAM facility: DAY
Attendance: UNATNDD
Beacon: white-green (SS-SR)
Segmented circle: No
Wind indicator: lighted
Distance from city: 4 NW

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (EDT)	UTC
Morning civil twilight Loggable night ends	05:36 AM	09:36Z
Sunrise	06:08 AM	10:08Z
Sunset	09:06 PM	01:06Z
Evening civil twilight Loggable night begins	09:39 PM	01:39Z

Loggable night (§1.1)

09:39 PM → 05:36 AM

Night currency (§61.57)

10:06 PM → 05:08 AM

Plan a flight from I66

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: ACTVT MIRL RWY 03/21 - CTAF. PAPI RWY 03 & 21 OPR CONSLY. on 122.725 — Chart Supplement ↗

Runway lighting aids — 03: 2-light PAPI (left) · 21: 2-light PAPI (left).

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 03 · 033°
Pattern: left (turns left)
TPA: 2,000 ft MSL (≈1,000 AGL)
CTAF: 122.725

Enter the left downwind for Rwy 03 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 03/21

3,579 ft × 60 ft · Asphalt (Excellent)

Edge lights: Med. Weight bearing: Single wheel 12.5k.

Heading: 033° mag · 28° true
Markings: nonprecision
VGSI: 2-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Trees, 55 ft, 460 ft from threshold, 256 ft R of centerline — 4:1 slope to clear · penetrates the 20:1 visual approach surface

Heading: 213° mag · 208° true
Markings: nonprecision
VGSI: 2-light PAPI (left) (3.75°)
Traffic pattern: Left
Approach obstacle: Tree, 30 ft, 281 ft from threshold, 250 ft L of centerline — 2:1 slope to clear · penetrates the 20:1 visual approach surface

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
03/21	3,579 ft

Communication frequencies

Service	Frequency	Notes
A/D	118.85	DAYTON APP/DEP
AWOS	124.175	AWOS 3
UNIC	123	CTAF/UNICOM

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
MXQ · Midwest	VOR-DME	112.90	r331° / 5.3 NM
SGH · Springfield	VOR-DME	113.20	r186° / 20 NM
XSF · Springfield	TACAN	133.80	r187° / 20.1 NM
FFO · Patterson	TACAN	115.20	r159° / 20.9 NM
DQN · Dayton	VOR-DME	114.50	r142° / 39.5 NM

Chart Supplement FAA A/FD

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Preview Chart Supplement

VFR sectional

Open I66 on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL
Bottled oxygen: NONE
Bulk oxygen: NONE
Airframe service: NONE
Powerplant service: NONE
Parking: tiedowns, hangars
Other services: Instruction, Rental

Ownership & management

Owner

CLINTON CO BOARD OF COMM

1850 DAVIDS DR STE 208, WILMINGTON, OH

937-382-2103

Manager

MELODY WALDMANN

1581 N CURRY RD, WILMINGTON, OH

937-382-4638

Remarks FAA

DEER & BIRDS ON & INVOF ARPT.
FOR CD CTC COLUMBUS APCH AT 614-338-8537.
ACTVT MIRL RWY 03/21 - CTAF. PAPI RWY 03 & 21 OPR CONSLY.
FOR AVBLTY CALL 937-382-2889.
ROPES NOT PRVDD.
CLINTONCOUNTYAIRPORT@YAHOO.COM.
CELL 937-725-1946.
AVBL SELF SVC VIA CREDIT CARD ONLY.
+70 FT TREE, 94 FT DIST, 220 FT L.

Nearby airports

OH77 · Lumberton AirportPrivate (3 NM)3OH9 · Merts FieldPrivate (4 NM)KILN · Wilmington Airpark (6 NM)OI85 · Beam Farms AirportPrivate (7 NM)OI52 · Lyons FieldPrivate (8 NM)2B6 · Hollister Field (8 NM)

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open I66 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

About I66

Clinton County Airport (I66) is an airport in Wilmington, OH, at 1,033 ft MSL. It has 1 runway, the longest 3,579 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for I66, refreshed from the Aviation Weather Center and FAA NASR.

Does I66 have a control tower?

No. Clinton County Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.

What is the longest runway at I66?

Clinton County Airport has 1 runway; the longest is 3,579 ft. See the Runways tab for headings, surface, and lighting.

Where is I66?

Clinton County Airport is in Wilmington, OH, at an elevation of 1,033 ft MSL. Coordinates: 39.5033, -83.8628.

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