Section 61.51: Pilot logbooks
(b) Logbook entries. For the purposes of meeting the requirements of
 paragraph (a) of this section, each person must enter the following
 information for each flight or lesson logged: 
(1) General— 
(i) Date. 
(ii) Total flight time or lesson time
(iii) Location where the aircraft departed and arrived, or for lessons in a flight
 simulator or flight training device, the location where the lesson occurred.