Reference data only — not for flight planning or navigation. Verify with official sources (AIP, NOTAMs, ATC). Full disclaimer

Chatham Seaplane Base (05AA/CYM) — Chatham, United States

At a glance

Runways: NW/SE

Times in UTC. Reference only: verify with the AIP and NOTAMs.

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60% Data Complete 31 of 52 points

Missing: Operations, Fuel, Contacts

Section Breakdown

Basic Info 7/7

Runways 3/4

Frequencies 1/4

Operations 0/2

Fuel 0/1

Contacts 0/2

Additional Info 3/10

Data last updated: 2026-04-02

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Basic Airport Information

ICAO: 05AA
Name: Chatham Seaplane Base
Type: seaplane_base
Category: Private
Latitude: 57.5149
Longitude: -134.945999
Elevation: N/A ft
Country: United States
Municipality: Chatham
IATA Code: CYM
FAA Code: N/A
FIR: N/A
Timezone: America/Anchorage
Distance from City: N/A km
VFR: Yes
IFR: No

Runways

Runway NW/SE

Designation: NW/SE
Dimensions: 10000 x 1000 ft
Surface: WATER
PCN: N/A
Lighting: N/A
NAVAIDs: N/A
Approach Types: N/A
Remarks: N/A

Frequencies

Tower: N/A
Ground: N/A
Operations: 122.900 MHz
Traffic/Approach: N/A
ATIS: N/A

Operation Hours

Monday N/A

Tuesday N/A

Wednesday N/A

Thursday N/A

Friday N/A

Saturday N/A

Sunday N/A

Extra Hours On Request: Not recorded
Remarks: Unattended

Contacts

AIS Tel: N/A
ARO Tel: N/A
MET Tel: N/A
Admin Tel: +1 (907) 723-5183
Health Tel: N/A
Police Tel: N/A
Authorities Tel: N/A
Website: N/A
Remarks: N/A

Slots / PPR

Slot Required: Not recorded
PPR Required: Not recorded
PPR Contact: N/A
Remarks: N/A

Immigration

Port of Entry: Not recorded
APIS Required: Not recorded
GAR Required: Not recorded
Remarks: N/A

Airport Services

No services listed for this airport yet.

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United States Permit Requirements

Fast Landing: 1d

Overflight Permit: No
Landing Permit: Conditional
Overflight Lead Time: N/A
Landing Lead Time: 60 minutes minimum (eAPIS manifest before departure); recommend 24-48 hours for CBP port notification

Private / GA Operations:

No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures.

View Full United States Permit Details

NOTAMs

No NOTAMs received for 05AA from the FAA NOTAM feed. That does not prove there are none: check FAA NOTAM Search before flight.

Nearby Airports

PASI Sitka Rocky Gutierrez Airport 31 NM PAOH Hoonah Airport 38 NM PAFE Kake Airport 47 NM PAJN Juneau International Airport 52 NM 7AK2 Snettisham Airport 54 NM PAGS Gustavus Airport 60 NM PAHN Haines Airport 105 NM 18AA 18 Meadows Aerodrome 114 NM

Compare 05AA with PASI side by side →

Airport History

No milestones recorded for Chatham Seaplane Base yet. Know when it opened, who built it or a notable event? Add it with a source.

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Frequently Asked Questions

Does 05AA require landing permits?: It depends on the flight. No permits required for private non-revenue flights. eAPIS manifest mandatory for all international arrivals/departures. Permit details for United States
Where is 05AA located?: Chatham Seaplane Base (05AA) is located in Chatham, United States.
What is the IATA code for 05AA?: The IATA code for Chatham Seaplane Base is CYM.
How long is the runway at 05AA?: The main runway at Chatham Seaplane Base (NW/SE) measures 10000 x 1000 ft.

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