It's like, the PHAK, but shorter.
- eCFR
- Logging flight time: https://www.gleimaviation.com/2018/06/29/logging-flight-time/
- Logging flight time 2: https://www.aopa.org/training-and-safety/learn-to-fly/old-pages/legacy-pages/aviation-subject-report-logging-pilot-in-command-pic-time
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