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Chatham Seaplane Base (CYM)

Chatham, United States · seaplane base · 57.515° -134.946° ·
Airport Information
IATA CodeCYM
ICAO Code
Typeseaplane base
NameChatham Seaplane Base
MunicipalityChatham
CountryUnited States
ContinentNA
Latitude57.515° N
Longitude-134.946° W
ElevationN/A
Climate ZoneTemperate
Scheduled ServiceYes
Score25
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionChatham
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving CYM

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (57.5°N)

Jan
8°
0°
Feb
10°
1°
Mar
13°
4°
Apr
17°
7°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
9°
Nov
12°
5°
Dec
9°
1°
* Approximate average temperatures by month based on temperate latitude zone

✨ AI-Enhanced Insights

Chatham Seaplane Base (IATA: CYM) is a public seaplane base serving the remote community of Chatham, Alaska, on the edge of Chatham Strait. With no traditional runways, it relies on water landings and takeoffs, connecting residents and visitors to larger hubs like Sitka and Juneau. The base is a vital link for fishing, logging, and tourism in the surrounding Alexander Archipelago.

💡 Local Tip
Frequent visitors know to pack for wet landings and quick weather shifts: waterproof bags, rubber boots, and a flexible layer are more useful than wheeled luggage here.
🚖 Getting There

Access to Chatham Seaplane Base is almost entirely by seaplane or boat, as the community is not connected to Alaska's road system. Arrange your onward transport—lodge pickup, charter boat, or guided transfer—before departure. Allow extra time for weather delays and tide-dependent dock conditions.

❓ Frequently Asked Questions
Q: What facilities are available at Chatham Seaplane Base?
A: As a small seaplane base, facilities are minimal; expect a dock or shoreline staging area rather than a terminal, with no guaranteed fuel, food, or car rental services. Travelers should bring supplies and confirm services with their operator.

Q: How do I book a flight to or from CYM?
A: Service is typically via charter or scheduled seaplane operators from larger Southeast Alaska towns such as Sitka, Juneau, or Hoonah. Book in advance, especially in summer, and confirm baggage limits and weather policies.

Q: Is there ground transportation at the airport?
A: No, there is no traditional ground transportation like taxis or rental cars. Most arrivals are met by boat, lodge shuttle, or arranged local transport; coordinate pickup before you arrive.

Q: What should I know about weather delays?
A: Southeast Alaska weather can change rapidly, and seaplanes are sensitive to wind, visibility, and water conditions. Build extra time into your itinerary and stay in contact with your airline or charter operator.

AI-generated content · Generated Sep 27, 2026 · deepseek-v4.1-flash

🗺 Location Map

🌏 Nearby Airports (Top 5)

IATANameCity / CountryDistance (km)Distance (mi)Link
FAK False Island Seaplane Base False Island, United States 16.1 km 10.0 mi View →
AGN Angoon Seaplane Base Angoon, United States 22.7 km 14.1 mi View →
TKE Tenakee Seaplane Base Tenakee Springs, United States 33.6 km 20.9 mi View →
BNF Baranof Warm Springs Float and Seaplane Base Baranof, United States 47.9 km 29.7 mi View →
SIT Sitka Rocky Gutierrez Airport Sitka, United States 57.7 km 35.9 mi View →

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