16. ACARS C - 0 (O) May be inoperative provided alternate | *** procedures are established and used. D - 0 May be inoperative provided procedures do not require its use. 17. Radio Tuning Unit (RTU) C 2 1 (O) One may be inoperative provided: | FMS is equipped to allow tuning of radios, and Radio tuning function of the FMS is operative. 18. High Frequency (HF) D - - Any in excess of required by 14 CFR may | Communication System be inoperative. C - 1 (O) May be inoperative while conducting operations that require two LRCS provided: Aircraft SATVOICE system operates normally, SATVOICE services are available as a LRCS over the intended route of flight, The ICAO Flight Plan is updated (as required) to notify ATC of the communications equipment status of the aircraft, and Alternate procedures are established and used.
16. *** ACARS C - 0 (O) May be inoperative provided alternate procedures are established and used. | D - 0 May be inoperative provided procedures do not require its use. 17. Radio Tuning Unit (RTU) C 2 1 (O) One may be inoperative provided: FMS is equipped to allow tuning of radios, and Radio tuning function of the FMS is operative. | 18. High Frequency (HF) Communication System D - - Any in excess of required by 14 CFR may be inoperative. | C - 1 (O) May be inoperative while conducting operations that require two LRCS provided: Aircraft SATVOICE system operates normally, SATVOICE services are available as a LRCS over the intended route of flight, The ICAO Flight Plan is updated (as required) to notify ATC of the communications equipment status of the aircraft, and Alternate procedures are established and used.
da-900_rev%2010.docx