Dewart Lake Seaplane Base

99D · Syracuse, IN · Non-towered · Open on the map

Elevation
865 ft MSL
Longest runway
2,600 ft 11W/29W
Runway
1

Nearby now

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Weather

METAR observed

No weather station at 99D. Nearby reporting stations: KASW (7 NM), KGSH (9 NM), KEKM (23 NM).

TAF forecast

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Sun & FAA night2026-09-21 · night begins 08:10 PM
EventLocal (EDT)UTC
Morning civil twilight
Loggable night ends
07:02 AM11:02Z
Sunrise07:29 AM11:29Z
Sunset07:42 PM23:42Z
Evening civil twilight
Loggable night begins
08:10 PM00:10Z
Loggable night (§1.1)
08:10 PM → 07:02 AM
Night currency (§61.57)
08:42 PM → 06:29 AM

Plan a flight from 99D

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

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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 99D → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 99D kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF
122.9

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

Nearby navigation aids

OLK 110.40 · GSH 113.70 · GIJ 115.40 · +1
NavAidTypeFreq · chRangeRadial / Dist magnetic
OLK · Webster Lake VOR 110.40 Low r304° / 14.5 NM
GSH · Goshen TACAN 113.70 · 84X r129° / 14.7 NM
GIJ · Gipper VORTAC 115.40 · 101X High r134° / 34.2 NM
FWA · Fort Wayne VORTAC 117.80 · 125X High r318° / 35.4 NM

Prefer one flat list? All 99D frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
99D
Coordinates
41.3719, -85.7728
Elevation
865 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
2017/03
Distance from city
3 SW

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 DNR
402 W. WASHINGTON ST., RM W255D, INDIANAPOLIS, IN
317-232-0935
Manager
MAJ. BRIAN BAILEY
DNR LAW ENFORCEMENT, 402 W.WASHINGTON ST., INDIANAPOLIS, IN
812-837-9536
Remarks FAA · 5 notes

General

  • SEAPLANE OPS PROHIBITED BTN SS-SR.
  • EXP HVY BOAT TFC BTN MEMORIAL DAY AND LABOR DAY.
  • DO NOT BLOCK BOAT RAMPS; SEAPLANE DCKG AREAS LTD.
  • FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Contact

  • BOATING LAW ADMINISTRATOR.

Nearby airports

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Also nearby: 01B Tippecanoe (2 NM) · 01D Lake Wawasee (4 NM) · 4IN9 Wawasee (private) (5 NM) · 92IN H R Weisser (private) (5 NM) · IN9 Webster Lake (5 NM) · 0IA Barbee Lake (6 NM)

About 99D

Dewart Lake (99D) is a seaplane base in Syracuse, IN, at 865 ft MSL. It has 1 runway, the longest 2,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 99D, refreshed from the Aviation Weather Center and FAA NASR.

Does 99D have a control tower?

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

What is the longest runway at 99D?

Dewart Lake has 1 runway; the longest is 2,600 ft. See the Runways section for headings, surface, and lighting.

Where is 99D?

Dewart Lake is in Syracuse, IN, at an elevation of 865 ft MSL. Coordinates: 41.3719, -85.7728.

More about 99D

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 99D 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.