Providing for consideration of the bill (H.R. 4) to reauthorize programs of the Federal Aviation Administration, and for other purposes; providing for consideration of the bill (H.R. 3144) to provide for operations of the Federal Columbia River Power System pursuant to a certain operation plan for a specified period of time, and for other purposes; and providing for proceedings during the period from April 30, 2018, through May 4, 2018.