Note: Original text copied from U.S. FAA Circular AC23-18 [1]Archivado el 1 de diciembre de 2017 en Wayback Machine.. As a work of the U.S. Government, there is no copyright on the work, and it may be freely copied, and is thus included here. Additional or reduced text and formatting, not included in the original, have been added here for clarity and emphasis.
Note: Original text copied from U.S. FAA Circular AC23-18 [1]Archivado el 1 de diciembre de 2017 en Wayback Machine.. As a work of the U.S. Government, there is no copyright on the work, and it may be freely copied, and is thus included here. Additional or reduced text and formatting, not included in the original, have been added here for clarity and emphasis.
