Federal Aviation Administration, DOT Section 135.339 (3) Has satisfactorily completed the proficiency or competency checks that are required to serve as a pilot in command in operations under this part; (4) Has satisfactorily completed the applicable training requirements of Section 135.340; (5) Holds at least a Class III medical certificate; and (6) Has satisfied the recency of experience requirements of Section 135.247. (c) No certificate holder may use a person, nor may any person serve as a flight instructor (simulator) in a training program established under this subpart, unless, with respect to the type, class, or category aircraft involved, that person meets the provisions of paragraph (b) of this section, or - (1) Holds the airman certificates and ratings, except medical certificate, required to serve as a pilot in command in operations under this part except before March 19, 1997 that person need not hold a type rating for the type, class, or category of aircraft involved. (2) Has satisfactorily completed the appropriate training phases for the aircraft, including recurrent training, that are required to serve as a pilot in command in operations under this part; (3) Has satisfactorily completed the appropriate proficiency or competency checks that are required to serve as a pilot in command in operations under this part; and (4) Has satisfactorily completed the applicable training requirements of Section 135.340. (d) Completion of the requirements in paragraphs (b) (2), (3), and (4) or (c) (2), (3), and (4) of this section, as applicable, shall be entered in the individual-s training record maintained by the certificate holder. (e) An airman who does not hold a medical certificate may function as a flight instructor in an aircraft if functioning as a non-required crewmember, but may not serve as a flightcrew member in operations under this part. (f) A flight instructor (simulator) must accomplish the following - (1) Fly at least two flight segments as a required crewmember for the type, class, or category aircraft involved within the 12-month period preceding the performance of any flight instructor duty in a flight simulator; or (2) Satisfactorily complete an approved line-observation program within the period prescribed by that program preceding the performance of any flight instructor duty in a flight simulator. (g) The flight segments or line-observation program required in paragraph (f) of this section are considered completed in the month required if completed in the calendar month before, or in the calendar month after, the month in which they are due. [Doc. No. 28471, 61 FR 30744, June 17, 1996; 62 FR 3739, Jan. 24, 1997, as amended by Amdt. 135-125, 76 FR 35104, June 16, 2011] Section 135.339 Initial and transition training and checking: Check airmen (aircraft), check airmen (simulator). (a) No certificate holder may use a person nor may any person serve as a check airman unless - (1) That person has satisfactorily completed initial or transition check airman training; and (2) Within the preceding 24 calendar months, that person satisfactorily conducts a proficiency or competency check under the observation of an FAA inspector or an aircrew designated examiner employed by the operator. The observation check may be accomplished in part or in full in an aircraft, in a flight simulator, or in a flight training device. This paragraph applies after March 19, 1997. (b) The observation check required by paragraph (a)(2) of this section is considered to have been completed in the month required if completed in the calendar month before or the calendar month after the month in which it is due. (c) The initial ground training for check airmen must include the following: (1) Check airman duties, functions, and responsibilities. (2) The applicable Code of Federal Regulations and the certificate holder-s policies and procedures. (3) The applicable methods, procedures, and techniques for conducting the required checks. (4) Proper evaluation of student performance including the detection of - 481 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00491 Fmt 8010 Sfmt 8002 Y:\SGML\247048.XXX 247048