Page:CAB Accident Report, Alaska Airlines Flight 779.pdf/9

 or elevation when utilizing precision radar equipment with this type of display.

Furthermore, although the controller was directly involved in the control of civil air traffic under instrument flight rules, FAA did not enforce any requirements for certification and area rating, current medical certificate, Class II, or current proficiency in radar operation or other aspects of air traffic control.

The board determines that the probable cause of this accident was the absence of approach and runway lights, and the failure of the GCA controller to give more positive guidance to the pilot during the last stages of his approach.

BY THE CIVIL AERONAUTICS BOARD:

/s/ Chairman

/s/ Vice Chairman

/s/ Member

/s/ Member

/s/ Member