(section: 3 / paragraph: b / line: 3)
No, rubber bands are specifically not allowed to attach the wing or stabilizer to the fuselage for safety. The wing or stabilizer could become separated from the fuselage during launch.
(section: 4 / paragraph: l / line: 3-5)
No, the flight time only stops when the glider is no longer supporting its own weight. This can include landing on the floor or getting hung up on any sort of obstacle. Simply touching something does not stop flight time.
(section: 5 / paragraph: d / line: 1)
Not having a flight log is only a 30% deduction in score, it does not effect the tier.