Cedarville Reservoir Seaplane Base

IN4 · Leo-Cedarville, IN · Non-towered · Open on the map

Elevation
781 ft MSL
Longest runway
4,141 ft 03W/21W
Runway
1

Nearby now

Loading…

Weather

METAR observed

No weather station at IN4. Nearby reporting stations: KGWB (7 NM), KSMD (7 NM), KFWA (16 NM).

TAF forecast

Loading forecast…

Sun & FAA night2026-09-21 · night begins 08:07 PM
EventLocal (EDT)UTC
Morning civil twilight
Loggable night ends
06:59 AM10:59Z
Sunrise07:26 AM11:26Z
Sunset07:39 PM23:39Z
Evening civil twilight
Loggable night begins
08:07 PM00:07Z
Loggable night (§1.1)
08:07 PM → 06:59 AM
Night currency (§61.57)
08:39 PM → 06:26 AM

Plan a flight from IN4

Winds aloft NOAA forecast · 3,000 to 53,000 ft

Loading winds aloft…

Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

Headings shown are true (magnetic variation unavailable).

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

Prefer one flat page? Full runway details for IN4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IN4 kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF
122.9

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

FWA 117.80 · OLK 110.40
NavAidTypeFreq · chRangeRadial / Dist magnetic
FWA · Fort Wayne VORTAC 117.80 · 125X High r036° / 15.6 NM
OLK · Webster Lake VOR 110.40 Low r100° / 22 NM

Prefer one flat list? All IN4 frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
IN4
Coordinates
41.2044, -85.0144
Elevation
781 ft MSL
Sectional chart
CHICAGO
Airport use
Public
Control tower
No
ARTCC
CHICAGO (ZAU)
Flight service (FSS)
TERRE HAUTE · 1-800-WX-BRIEF
NOTAM facility
HUF
Segmented circle
No
Activated
2021/03
Distance from city
1 SE

Night operations

Pilot-controlled lighting
Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Ownership & management 2 contacts
Owner
INDIANA DEPT OF NATURAL RESOURCES
402 W WASHINGTON ST. RM W-255D, INDIANAPOLIS, IN
(317) 232-0935
Manager
KENTON TURNER
402 W WASHINGTON ST. RM W-255D, INDIANAPOLIS, IN
(317) 232-0935

Nearby airports

Loading nearby conditions…

Also nearby: II28 Stettler Strip (private) (2 NM) · 0IN4 Air Park Field (private) (6 NM) · 58IN Hilltop (private) (8 NM) · 56IN Casad Industrial Park (private) (8 NM)

About IN4

Cedarville Reservoir (IN4) is a seaplane base in Leo-Cedarville, IN, at 781 ft MSL. It has 1 runway, the longest 4,141 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IN4, refreshed from the Aviation Weather Center and FAA NASR.

Does IN4 have a control tower?

No. Cedarville Reservoir is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at IN4?

Cedarville Reservoir has 1 runway; the longest is 4,141 ft. See the Runways section for headings, surface, and lighting.

Where is IN4?

Cedarville Reservoir is in Leo-Cedarville, IN, at an elevation of 781 ft MSL. Coordinates: 41.2044, -85.0144.

More about IN4

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 IN4 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.

Something here wrong or out of date? Report a data problem.