Since a lot of people on this forum took the Part 107 test when it first became available in August of 2016 this year will be the time to take a retest "Vaild for 2 years – certificate holders must pass a recurrent knowledge test every two years" I wasn't sure if the test would be simply be a repeat of the initial test but it looks like its a subset and will just cover 7 of the 12 original topics. -------------------------------------------------------------------- §107.73