The other plane, going from Istanbul to Singapore, had the call sign
68 and it was flying at 37,000 feet," the official said.
Airlines have been directed to avoid use of similar/confusing call signs
," said Singh.
A spokesman said the pilot gave the call sign
he had been given and was approved for entry.
The pilot of the plane carrying the German chancellor had announced a wrong call sign
and, thus, certain problems arose while Merkel was on board, waiting for the permission to fly through the Iranian airspace," Rapporteur of the parliament's National Security and Foreign Policy Commission Kazzem Jalali told reporters on Wednesday.
Fields, a Navy officer and A-7A Corsair II pilot with the call sign
Streetcar 304 from Attack Squadron 82, launched from the aircraft carrier USS America on his first combat mission.
Many lessons were learned: establish an ICS plan and develop a Standard Operating Procedure for execution; at the onset, establish a cell, such as an EOC, which serves as the decision maker; share communication equipment, call signs
and frequencies; coordinate and communicate with all agencies and listen to the experts--then decide," said McClean, adding, "the most important accomplishment was that all agencies were brought together and successfully responded to a crisis.
A lesson learned from the Vietnam War was that the use of non-changing radio frequency assignments and call signs
often resulted in the compromise of information because the enemy was able to find and exploit radio frequencies and the information they carried.
An early chapter that will bring a knowing smile is the choosing of call signs
by the FRS instructors.
One by one, as their unit call signs
were called, Sorensen's fellow deputies paid their respects in a sort of electronic memorial book that has become a department tradition.
The system uses a combination of surface movement radar, transponder multilateration and ADS-B sensors to display aircraft position, labelled with flight call signs
, on air traffic control tower displays to improve airport safety and efficiency.
As of mid-January 268,000 audit letters covering 420,000 call signs
had been sent.
Hams, who receive special license plates bearing their call signs
, also have fun practicing their hobby.