The most recent revision is AS9100D which is also now based on ISO 9001: 2015. While ISO 9001 is applicable to every organization, AS9100D focuses on the Aerospace supply change.
Generally, AS9100D adds Aerospace specific requirements to ISO 9001 along with some specific quality management system requirement additions and additional documentation.
When Implementing a Quality Management System to comply with AS9100D, and organization must also be addressing any customer specific requirements, along with the general supplier specific requirements and any regulatory requirements (e.g. FAA):