# Hyder Seaplane Base (WHD / 4Z7)

**Hyder Seaplane Base** (IATA: WHD, FAA: 4Z7) is a seaplane base in Hyder, Alaska, United States. It has one runway, 10,000 ft (3,048 m) long, water. In 2024 it handled 113 passengers.

Web page: https://dromopedia.com/airports/4z7

## At a glance

- IATA / ICAO: WHD / —
- FAA: 4Z7
- Type: Seaplane base
- Serves: Hyder, Alaska, United States
- Elevation: 0 ft / 0 m
- Coordinates: 55.9033, -130.0100
- Runways: 1
- Longest runway: 10,000 ft / 3,048 m
- Passengers: 113 (2024)
- Time zone: UTC-9/-8 · America/Sitka
- Wikipedia: https://en.wikipedia.org/wiki/Hyder_Seaplane_Base (5 languages)
- Wikidata: https://www.wikidata.org/wiki/Q3084579
- Weather station: CZST · WMO 71955
- Ident: 4Z7

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| N/S | 10,000 ft / 3,048 m | 1,000 ft / 305 m | Water |  |  |

## Passengers per year

| Year | Passengers | Source |
| --- | --- | --- |
| 2015 | 230 | BTS T-100 Segment |
| 2016 | 299 | BTS T-100 Segment |
| 2017 | 183 | BTS T-100 Segment |
| 2019 | 99 | BTS T-100 Segment |
| 2020 | 83 | BTS T-100 Segment |
| 2021 | 159 | BTS T-100 Segment |
| 2022 | 113 | BTS T-100 Segment |
| 2023 | 122 | BTS T-100 Segment |
| 2024 | 113 | BTS T-100 Segment |

## Routes

1 destination in 1 country. From the airport's Wikipedia article.

### Year-round (1)

- [WFB](https://dromopedia.com/airports/5ke.md) Ketchikan Harbor Seaplane Base · United States · 75 mi / 121 km · SeaWind Aviation, Taquan Air

## Airlines

The figure is how many destinations each airline flies from WHD, as the routes above have them. Hubs from Wikidata.

### Passenger (2)

- SeaWind Aviation · 1
- K3 [Taquan Air](https://dromopedia.com/airlines/taquan-air) · 1

## Nearby airports

- [ZST](https://dromopedia.com/airports/czst.md) Stewart Airport · 2.5 mi / 4.0 km
- [KTN](https://dromopedia.com/airports/pakt.md) Ketchikan International Airport · 76 mi / 123 km
- [ANN](https://dromopedia.com/airports/pant.md) Annette Island Airport · 86 mi / 138 km

## In collections

- [Water runways](https://dromopedia.com/collections/water-runways) #50

## Sources

- [BTS T-100 Segment](https://www.transtats.bts.gov/Tables.asp?QO_VQ=EEE&QO_anzr=Nv4%20Pn44vr45): US traffic: Bureau of Transportation Statistics, T-100 Segment (Public Domain (US Government))
- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [Wikipedia: “Hyder Seaplane Base”](https://en.wikipedia.org/w/index.php?title=Hyder_Seaplane_Base&oldid=1365150998), revision of 20 Jul 2026 (CC BY-SA 4.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/4z7/data