61.189—Flight instructor records.
(a)
A flight instructor must sign the logbook of each person to whom that instructor has given flight training or ground training.
(b)
A flight instructor must maintain a record in a logbook or a separate document that contains the following:
(1)
The name of each person whose logbook or student pilot certificate that instructor has endorsed for solo flight privileges, and the date of the endorsement; and
(2)
The name of each person that instructor has endorsed for a knowledge test or practical test, and the record shall also indicate the kind of test, the date, and the results.