Chatham Seaplane Base is a seaplane base serving Chatham, in Alaska, United States. It has scheduled airline flights. Its IATA code, the three letters printed on tickets and baggage tags, is CYM.
Key facts
- IATA code
- CYM
- ICAO code
- 05AA
- City
- Chatham
- State or region
- Alaska
- Country
- United States
- Kind
- Seaplane base
- Coordinates
- 57.5149° N, 134.9460° W
- Elevation
- not listed
- Runways
- 1
- Longest runway
- 3,048 m (10,000 ft)
Airport codes
On a ticket or a baggage tag, CYM means Chatham Seaplane Base. Pilots and air traffic controllers use a different, four-letter ICAO code: 05AA. How the two kinds of code differ.
Where it is
The airport lies at 57.5149° N, 134.9460° W. The nearest town in our data is Juneau, about 93 km away in a straight line.
Local time
Time now at the airport: loading
Time zone America/Juneau, taken from the nearest town in the data. Flight times on tickets are always in the local time of each airport.
Runways
Chatham Seaplane Base has 1 runway in the data. The longest is 3,048 metres (10,000 feet). That is long enough for most passenger jets. Among the 675 airports of United States on this site with runway data, its longest runway ranks number 102.
| Runway | Length | Width | Surface | Lights |
|---|---|---|---|---|
| NW/SE | 3,048 m 10,000 ft | 305 m | Water | not listed |
The numbers in a runway name give its compass direction. How runway numbers work.
Nearest airports with scheduled flights
| Airport | Code | Distance |
|---|---|---|
| Angoon Seaplane BaseAngoon | AGN | 23 km |
| Tenakee Seaplane BaseTenakee Springs | TKE | 34 km |
| Sitka Rocky Gutierrez AirportSitka | SIT | 58 km |
| Hoonah AirportHoonah | HNH | 70 km |
| Funter Bay Seaplane BaseFunter Bay | FNR | 82 km |
Distance to major airports
| To | Distance | Rough flying time |
|---|---|---|
| Delhi (DEL)India | 9,986 km | 12 h 30 min |
| Mumbai (BOM)India | 11,116 km | 13 h 55 min |
| Dubai (DXB)United Arab Emirates | 10,762 km | 13 h 30 min |
| London Heathrow (LHR)United Kingdom | 7,208 km | 9 h 10 min |
| New York JFK (JFK)United States | 4,644 km | 6 h 05 min |
| Los Angeles (LAX)United States | 2,901 km | 4 h 00 min |
| Singapore (SIN)Singapore | 11,664 km | 14 h 35 min |
| Tokyo Haneda (HND)Japan | 6,475 km | 8 h 20 min |
| Sydney (SYD)Australia | 12,267 km | 15 h 15 min |
Distances are the shortest path over the globe, worked out from the coordinates. Flying times are rough estimates for a direct jet flight. They do not mean that a direct flight exists. Work out the distance to any airport.
Links
Airport data: OurAirports, as downloaded on 11 November 2026. This page does not show live flights, terminals or airlines. For those, use the airport's or the airline's own site. See About and data sources.