~ IN MEMORY ~

WA/DL F/O Duane Milton Koski

April 19, 1941 ˜ July 28, 2019

F/O Duane Milton Koski, age 78, passed away July 28, 2019.  Duane joined Western Airlines 01-10-1972 and retired with Delta Air Lines, based PDX/030.  Obituary information is available online at

Also at https://www.tributearchive.com/obituaries/5600779/Duane-Milton-Koski

For those who may wish to contact the family, perhaps the best address would be c/o son William ‘Matt’ (Jill) at

 17102 NE 140th Ave.,  Brush Prairie, WA 98606.

Thank you,

~ Carol for the PCN 

Obituary…………… Duane Milton Koski, 78, a long-time resident of Clark County, WA, passed away July 28, 2019. He was born to Helmi and Jalmer Koski in Ventura, CA on April 19, 1941. He grew up on the Koski family farm in Brush Prairie, WA, which he loved and ran for many years.

Duane graduated from Oregon State University with a degree in Horticulture.

He also loved flying; he was a Naval test pilot and a commercial airline pilot, flying for Western and Delta.

Duane is survived by his son, William “Matt” Koski (Jill); daughter, Peni Koski and their mother, Nancy Koski; and sisters, Karolyn (Hugh) Albrecht and Lois Thompson.