Figure 5-3 continued. Turbulence encountered over manmade items and in nature.  The Preflight Checklist Certificates and Documents Figure 5-4. Required documentation must be carried on  the aircraft at all times.  Use a written checklist during preflight and ground  operations. The checklist is an aid to the memory and  helps to ensure that critical items necessary for the  safe operation of the aircraft are not overlooked or  forgotten. The  airworthiness of the powered parachute is de- termined, in part, by the following certificates and  documents, which must be on board the aircraft when  operated: AROW is the acronym commonly used to remember  these items. The pilot in command is ultimately re- sponsible to make sure the proper documentation is  on board. [Figure 5-4] Aircraft logbooks are not required to be on board the powered parachute when it is operated. However, you  should inspect the aircraft logbooks prior to flight to  confirm the PPC has had all required tests and inspec- tions. The owner/operator must keep maintenance re- cords for the airframe and powerplant. At a minimum, there must be an annual inspection  within the preceding 12-calendar months. In addition,  the powered parachute may also need a 100-hour in- spection in accordance with 14 CFR part 91 if it is  used for hire (for example, for training operations). If  a transponder or a transponder/encoder with a pitot- The pilot must have in his or her possession a valid  U.S.  driver’s license, or a valid  medical certificate  accompanied by a  photo identification and  pilot cer - tificate. Sport pilots must also carry a copy of the  en dorsements issued from their logbook indicating they  are qualified for the powered parachute category/class  for the aircraft they are flying. The wing shape (rec- tangular or elliptical) and the landing system (land or  sea) will be specified in this endorsement. static system is used, it must be inspected within each  preceding 24-calendar months.  5-5 • A irworthiness certificate. R egistration certificate. • O perating limitations, which may be in the  form of an FAA-approved Aircraft Flight  Manual and/or Pilot’s Operating Handbook  (AFM/POH), placards, instrument markings, or  any combination thereof. • W eight and balance 