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7J4Seaplane Base

JIMMERSON LAKE

LAKE JAMES, Indiana

Public usePublic964 ft MSL

Seaplane Base Information

Facility Type

SEAPLANE BASE

Elevation

964 ft MSL

Ownership

Public

Use

Public use

Coordinates

41.7077, -85.0602

County

STEUBEN

Water Lanes

IDLengthWidthSurface
10W/28W2,675 ft100 ftWATER

Frequencies

TypeFrequencyName
CTAF122.9JIMMERSON LAKE

Floatplane intelligence for 7J4

Live weather, decoded NOTAMs, AI briefings. Included in every AeroCopilot plan from $7.99/month.

Source: FAA NASR (seaplane base facility, water lanes, frequencies). Updated 2026-05-12 15:32 UTC.