Delivered to the US Army in March 1954, 53-2819 was assigned to the Texas National Guard around 1967. Registered N5317G circa 1975, the aircraft was with Willow Air Service when it crashed just west of the summit of Merrill Pass, AK on Sep 26, 1985 in poor weather. The wreck was registered to Lake Union Air Service in February 1989 as it was rebuilt. Re-registered N21LU, the floatplane written of when the wing struck a moored tug boat as it abandoned a take off on June 2, 1991. Rebuilt again, it flew with Northwest Seaplanes as N67683 until moving to Alaska as N726P in 1999.

Originally with the US Air Force (51-16499) , Lake Union Air bought this Beaver from Canadian operator Hyack Air (C-GFFD) in 1989. It was registered N6784L to Kenmore Air Harbor in 1983 when Lake Union stopped flying. The aircraft is current as N55WE with Paklook Air in Alaska at the time of uploading.

A former US Army Beaver 54-1684 delivered June 5, 1955 and later service with Colorado and Missouri National Guard units, this Beaver was stored at MASDC in 1975. Registered N3301F to Alabama Aviation & Tech College, Ozark, AL in August 1979, it was bought by Lake Union Air in 1989. Registered N23LU when rebuilt for civilian use, the aircraft was among the assets acquired by Kenmore Air in 1993 (registered N6782L). It was sold to Beaver Lodge LLC of Alaska in 2008. The aircraft is current with Seawing Aviation based at Ketchican, AK at the time of uploading.

Lake Union Air started in 1946 operating out of Lake Union at the north end of Seattle. The same year, Kenmore Air began over at the north end of Lake Washington at Kenmore, WA. Kenmore Air bought and absorbed Lake Union Air in 1993. This former US Air Force Beaver (52-6094) was with Lake Union September 1988 - February 1990. The aircraft is current in Alaska registered N264P at the time of uploading.

Built for US Army as L-20A/U-6A 53-7939. In 1989 it was operating on scheduled passenger flights on floats for Lake Union Air from Seattle's downtown seaplane base. Behind is DHC-2 N3LU (c/n 464) and at the rear is Cessna U206D N72222 (c/n 1327) also of Lake Union Air.