CYM Chatham Seaplane Base

Chatham, Alaska, United States

Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.

Airport facts

Ident: CYM
FAA LID: 05AA
Type: Seaplane base
Public use: No
Municipality: Chatham
Region: Alaska
Country: United States
Elevation: —
Coordinates: 57.5149° N 134.9460° W
57°30′54″N 134°56′46″W
Towered: No
Wikipedia: Chatham Seaplane Base
Chart Supplement: Chart Supplement (opens in a new tab)2611 05AA

Runways

Runway	Length × width	Surface	Lighted	Status
NW/SE	10,000 × 1,000 ft	Water	No	Open

Frequencies

Type	Name	MHz
CTAF		122.900

Nearby airports

2Z6 False Island Seaplane Base 9 nm
PAGN Angoon Seaplane Base 12 nm
TKE Tenakee Seaplane Base 18 nm
BNF Baranof Warm Springs Float and Seaplane Base 26 nm
US-4953 Cube Cove Airport 26 nm