(O) May be inoperative provided alternate Normal and Emergency procedures, and/or operating restrictions are established and used.
NOTE: Any station that operates normally may be used.
(O) May be inoperative provided.
a) PA is not required by FAR, and
b) Alternate, Normal and Emergency procedures, and/or operating restrictions are established and used.
NOTE: Any station that operates normally may be used.
NOTE: The following procedure is valid for either of the above PA system paragraphs.
1. A crewmember will orally brief the passengers on any items he or she would normally use the PA System to brief.
2. During normal, abnormal, or emergency situations, a crewmember shall face the passengers from the cockpit and perform such announcements and/or give instructions that are appropriate to the situation.
3. Place a placard next to the audio panel stating, “PA SYSTEM INOPERATIVE.”
4. Make appropriate entry on the discrepancy report.
(O) May be inoperative while conducting operations that require two LRCS provided:
a) SATCOM Voice or Data Link operates normally,
b) Alternate procedures are established and used,
c) SATCOM coverage is available over the intended route of the flight and,
d) If INMARSAT codes are not available while using SATCOM Voice, prior coordination with the appropriate facility is required.
NOTE: SATCOM is to be used only as a backup to normal HF communications with the appropriate ATC facility is required.
OPERATIONAL PROCEDURES
1. Prior to each flight a crewmember will use the SATCOM Data Link to transmit and receive information to ensure that the system is operational.
2. Prior to each flight a crewmember will review the SATCOM system User’s Guide or Manual to ensure that coverage exists for the intended route of flight.
3. Place a placard next to the HF radio controller stating, “HF RADIO INOPERATIVE.”
4. Make appropriate discrepancy report entry.
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