Full flight simulators are classified by qualification performance as four levels, level A, level B, level C, and level D.Flight training devices are classified by qualification performance as four levels, level 4, level 5, level 6, and level 7.The FFSs and FTDs shall comply with the qualification performance as follows:1. Airplane FFSs shall comply with the requirements prescribed in Attachment 2.2. Airplane FTDs shall comply with the requirements prescribed in Attachment 3.3. Helicopter FFSs shall comply with the requirements prescribed in Attachment 4.4. Helicopter FTDs shall comply with the requirements prescribed in AttachmentAttachment 2 Qualification Performance Standards Requirements for Airplane Full Flight Simulators.odtAttachment 3 Qualification Performance Standards Requirements for Airplane Flight Training Devices.odtAttachment 4 Qualification Performance Standards Requirements for Helicopter Full Flight Simulators.odtAttachment 5 Qualification Performance Standards Requirements for Helicopter Full Flight Simulators.ODT