Pilot’s Handbook of Aeronautical Knowledge FAA-H-8083-25B

In 2016 the Pilot’s Handbook of Aeronautical Knowledge FAA-H-8083-25B was updated to reflect the changes related to FAA Airman Certification Standards (ACS). The current handbook can be downloaded from the following URL as a PDF:

Pilot’s Handbook of Aeronautical Knowledge, FAA-H-8083-25B (full version — low resolution)

If you would prefer a print book, they can be purchased from Pilot Mall:

ASA Pilot’s Handbook of Aeronautical Knowledge