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Dates |
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Event |
8 March 1949 |
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Constructed as a YL-15.
This was the last L-15 built, the last manned piston-powered airplane Boeing ever built. It never went into full production -Boeing ultimately lost the contract to Cessna who had developed the L-19 Bird Dog. |
Circa April 1949 |
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Taken on Strength/Charge with the United States Army with s/n 47-0432. |
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To U. S. Fish and Wildlife Service with new c/r N789. |
1954 |
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To Norm Brunquist with new c/r N4770C. |
June 1958 |
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Photographer: Patricia Brunquist
Notes: Owner Norm Brunquist with N4770C freshly fitted on EDO 2425 floats. Photographed in our front yard, on east shore of Lake Spenard, part of the Lake Hood seaplane base in Anchorage, Alaska. Note 4 x 4 across rear of floats, for passenger loading! |
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Photographer: Larry Knapp
Notes: At Lake Hood, Anchorage |
1964 |
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Photographer: Patricia Brunquist
Notes: Norm Brunquist ties down N4770C in our front yard, on east shore of Lake Spenard, Anchorage, Alaska. Fitted with Landis 2500 fiberglass skis. |
1966 |
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Withdrawn from use.
And stored. |
6 August 1989 |
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Photographer: Peter M. Garwood
Notes: Boeing YL-15 N4770C, Anchorage, AK. |
May 1994 |
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Photographer: Ted Spencer
Notes: Disassembly day, after Keith Brunquist purchased N4770C from Norm Brunquists estate. Last flown by Norm Oct. 15, 1966. Helping Keith are his son, Karl, and friend, Richard Benner. |
May 1994 |
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Photographer: Ted Spencer
Notes: Instrument panel on disassembly day in 1994. Four top windows were removed in summer of 1970. 24 years of Alaskan weather took its toll. Some instruments removed to save weight while operating VFR on floats. |
May 1994 |
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Photographer: Ted Spencer
Notes: Observer compartment, disassembly day. |
7 August 1997 |
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To unknown owner with c/r N4770C.
Registration pending to a new owner in Wasilla, AK. |
2003 |
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Keith Brunquist inherited the airplane when his father died in 1994, and, when he was ready, started restoring the airplane. |
6 September 2012 |
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Civil registration, N4770C, cancelled.
Registration pending to a new owner in Wasilla, AK. |
4 June 2015 |
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To Keith N. Brunquist, Wasilla, AK with new c/r N4770C.
Operated with markings: A-432 / 7432 |
May 2016 |
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26 July 2016 |
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First post-restoration Flight. |
July 2017 |
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Photographer: John Dibbs |
24 July 2017 |
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Photographer: Terry Fletcher
Notes: At 2017 AirVenture at Oshkosh |
26 July 2017 |
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Photographer: Terry Fletcher
Notes: At 2017 EAA AirVenture at Oshkosh |
30 July 2017 |
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Photographer: Keith Brunquist |
30 July 2017 |
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Photographer: David Leininger |
13 March 2018 |
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To Keith N. Brunquist, Wasilla, AK keeping c/r N4770C. |
29 July 2022 |
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Photographer: Keith Brunquist
Notes: Shot at 5:34 AM at Worthington Municipal Airport, MN. during flight from Oshkosh, WI. to Spokane, WA. to display the YL-15 at Historic Flight Foundation at Felts Field. |
11 June 2023 |
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Photographer: Keith Brunquist
Notes: Taken at Felts Field, Spokane, WA. after a little pattern exercise, by pilot Keith Brunquist. |
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 | | This airframe dossier is based on
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