Retired Deputy Puzzlemeister, Will Holdshortz, poses this everyday ATC arrival scenario: ATC is radar-vectoring a VFR Cessna 172 for arrival and tells the pilot to report sighting, and expect to follow, a Boeing 737, "... Ten o'clock, eight miles, southwest-bound, 4000 [feet, not speed], descending." The Cessna pilot reports sighting traffic, and then the Approach controller says, "Follow the 737, caution wake turbulence, contact Tower 118.3." The Cessna pilot accepts the clearance and switches to Tower frequency. Who is now responsible for wake-turbulence separation for the Cessna following the Boeing?


The Cessna pilot


The Tower controller


The Approach controller


The Boeing crew

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