Alaska’s Southernmost Mainland Airport

On December 23, 2015 · 5 Comments

Thank goodness for random search queries that land on Twelve Mile Circle. This time our unknown visitor wanted to find Alaska’s southernmost mainland airport. I didn’t know why they wanted to learn and it didn’t really matter. It became an intellectual exercise, and considerably more complicated than I expected. I’m not completely confident in my answers although I think I came reasonably close to the right solution after a fairly thorough search through a series of maps.



One needed to start with a premise that aviation in Alaska connected far-flung communities where roads didn’t exist. Pilots sometimes made their own spur-of-the-moment airfields on any reasonable surface, whether water, land or snow. I needed to winnow the possibilities. Thus I concentrated on recognized commercial, general and public airports included on Wikipedia’s List of Airports in Alaska.

Adak Airport


Runway
Runway by Kim F on Flickr (cc)

Adak appeared to be Alaska’s southernmost airport although it failed a vital condition of the query; it was built upon an island on the extended Aleutian chain (map). It was so far south that Adak fell on approximately the same latitude as Oxford, England (just a little bit of trivia for 12MC’s UK readers to help them understand the immense stretch of Alaska from north to south). Adak didn’t provide a complete answer although it offered a clue. Maybe this was a trick question. Most people would naturally consider southeastern Alaska and forget about the western side of the state extending down the 500 mile (800 kilometre) Alaska Peninsula. I should begin by checking there.


King Cove Airport


Meeting the Alaska Ferry at King Cove
Meeting the Alaska Ferry at King Cove by J. Stephen Conn on Flickr (cc)

King Cove was the final town of any significance at the southernmost knob of the extended peninsula just before where the Aleutian island chain began. There was also an airport nearby (map). It wasn’t much, in fact wasn’t even paved, although it had a runway maintained by the state and available for public use. King Cove Airport handled more than a thousand aircraft operations per year. Its latitude equated to about 55.1° North.

A little to the west and only slightly farther north stood a much larger airport at Cold Bay. This one had been a US Army Air Force installation during the Second World War before its conversion to civilian use. It included two paved runways that handled nearly ten times the number aircraft operations per year than King Cove. Cold Bay registered a latitude of about 55.2° North.

The bar had been set at a very promising southern point on mainland Alaska. Would that be far enough south to beat Alaska’s better known panhandle on the eastern side of the state?


Hyder Seaplane Base


Weekly mail run
Weekly mail run by Jitze Couperus on Flickr (cc)

Alaska’s Panhandle featured a distinct lack of mainland. Large islands composed most of its square footage. The mainland portion formed a narrow ribbon hemmed-in by the Canadian border to the east and the Inside Passage to the west. Even more confining, mountains practically jutted directly from the sea providing very little elbow room for mainland airports. Communities made due with their geographic limitations however, and some towns turned to seaplane bases instead. Hyder was the town farthest down along Southeast Alaska’s mainland. It was a bit of an anomaly anyway, accessible by road only from Canada (as were Haines and Skagway farther up the coast). One could use Hyder Seaplane Base (map), a state-owned general aviation facility if arriving by air. One could also use a paved runway just a few minutes away in adjacent Stewart although that was just across the border in British Columbia, Canada so it didn’t count for this exercise.

Hyder certainly challenged King Cove. It would be close, I thought, as I eyeballed the latitudes. My measurement for Hyder came to 55.9° making it just slightly north of King Cove and Cold Bay. Indeed, I’d encountered a trick question. I believe the southernmost mainland airports in Alaska were indeed found on the western peninsula at King Cove (unpaved) and Cold Bay (paved).


Juneau International Airport


Helicopter View of Juneau Airport
Helicopter View of Juneau Airport by Robert Raines on Flickr (cc)

The puzzle may have been solved although I continued with the game. I felt a seaplane base cheated somewhat even if it hadn’t been far enough south to win the contest anyway. There were plenty of formal land-based runways within the panhandle although most of them were built on islands. The next thing I knew, as I crossed-off possibilities from the list, I was looking at Juneau (map). I’ve flown in-and-out of Juneau a couple of times and it was a large airport with regular jet service. That’s why I was a bit surprised. Certainly it felt like there should have been another paved runway somewhere on the mainland between Juneau and Hyder, and yet I could not fine one.

That was enough Alaska airport trivia for one day.

On December 23, 2015 · 5 Comments

5 Responses to “Alaska’s Southernmost Mainland Airport”

  1. John of Sydney says:

    I recalled from a cruise that there was a paved airport at Ketchikan.
    However, it’s on an island off the town so it hardly counts.
    Merry Christmas and Happy New Year
    John

  2. Ken Saldi says:

    My old company did work for the Adak Telephone service and flew into the Adak airport normally twice to three times a year. Also our accountant used to be based at Adak Air Force base when it was in service with her husband.

  3. Peter says:

    Cold Bay’s airport gets occasional emergency landings from airliners experiencing mechanical difficulties, being near the main route used by flights between California and Japan.

  4. KC Jeff says:

    In June of 1993 I was docked in Chignik, AK on the Alaskan peninsula for 2 weeks between herring and salmon season. I always remember their small dirt runway with a 4’x4′ wooden shed with a “Chignik International Airport” sign on it.

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