United Express Flight 2415 operated by a BAe Jetstream 31 N410UE of North Pacific Airlines

North Pacific Airlines

North Pacific Airlines was a small regional airline formed in 1987, flying for United Airlines under the United Express brand name from the Seattle–Tacoma International Airport to three Eastern Washington destinations and Portland, Oregon...

 on 26 December 1989 was a commuter flight in the United States from Yakima, Washington

Yakima, Washington

Yakima is an American city southeast of Mount Rainier National Park and the county seat of Yakima County, Washington, United States, and the eighth largest city by population in the state itself. As of the 2010 census, the city had a total population of 91,196 and a metropolitan population of...

 to Pasco, Washington

Pasco, Washington

Pasco is a city in and the county seat of Franklin County, Washington, United States.Pasco is one of three cities that make up the Tri-Cities region of the state of Washington...

.

The aircraft was approaching Tri-Cities Airport

Tri-Cities Airport (Washington)

Tri-Cities Airport is a public airport located 2 miles northwest of Pasco, in Franklin County, Washington, USA. It is the third largest commercial airport in the State of Washington, and has three runways.-History:...

at around 22:30. The crew executed an excessively steep and unstabilized ILS approach. That approach, along with improper air traffic control commands and aircraft icing, caused the aircraft to stall and crash short of the runway. Both crew members and all four passengers were killed.