to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
I have published this image as author Uli Elch under the "CC-BY-SA-4.0" in Wikipedia. This means that free, commercial usage outside of Wikipedia is permitted under the following licence terms:
Online media: 1. The author "Uli Elch/Wikipedia" is named
2. A weblink to the original image is provided: https://commons.wikimedia.org/wiki/File:Martin_404_Air_Florida_F209-33A-b.jpg
Print media: 1. The author "Uli Elch/Wikipedia" is named.