Commercial Fixed Wing
Communication Breakdown
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Overcame Equipment Problem
Aircraft; Human Factors
Ongoing issues with communications; while using IPICS; between the RTC and flight crews/Supertug. RTC performed a radio check with the flight crew after switching from the main to the standby radio on IPICS. The crew did not respond to the RTC communication on the first call; but responded on the second call stating that they had replied; but the RTC did not hear. 5th occurrence of the morning. The RTC switched to the telex system shortly after this incident.
Dispatcher reported difficulty communicating with a flight crew during preflight.