Copyright ©1997 by Paul Niquette. All rights reserved.
sunrise, and the pilot knows that the plane
has less than 45 minutes of fuel remaining
-- but more than 40 minutes, of course.
on the right is something that no pilot ever wants to see on his or her
instrument panel while aloft. Meanwhile, here in the solution to
puzzle is evidence of the dilemma faced
by regulators intent upon improving public safety -- while being opposed
in that effort by a public reluctant to be regulated.
In the awkward, two-rule compromise set forth in the puzzle's hint, the sophisticated reader will see the outlines of a bygone debate and might well inquire: What real sacrifice in flying convenience results from having one simple rule?
"The pilot must plan and execute his or her flight so as to assure at least 45 minutes of fuel remaining upon landing [day or night]."
Try to imagine a sudden, deafening silence in the cockpit when that noisy contraption up front stops swinging those paddles around and hearing these words spoken by the pilot...