AN ACR A300 FLC COMPLAINS THAT THE PRESENT SYS OF RELAYING COM TO OCEANIC ATC CTL THROUGH COMMERCIAL HF RADIO IS TOO SLOW. IN THIS CASE; THE FLC WANTED PERMISSION FOR TSTM DEV; AND RELAYED THROUGH ANOTHER; CLOSER TO LAND; ACR IN TIME TO OBTAIN A CLRNC.

Date: 1997-04 · Aircraft: A300

Anomalies: inflight-event-encounter-weather-turbulence|other-unspecified

Synopsis

AN ACR A300 FLC COMPLAINS THAT THE PRESENT SYS OF RELAYING COM TO OCEANIC ATC CTL THROUGH COMMERCIAL HF RADIO IS TOO SLOW. IN THIS CASE; THE FLC WANTED PERMISSION FOR TSTM DEV; AND RELAYED THROUGH ANOTHER; CLOSER TO LAND; ACR IN TIME TO OBTAIN A CLRNC.

Narrative

AS WE APCHED GRANN NBOUND AT FL310 WE SAW FLASHES AHEAD AND RADAR INDICATED TSTM ACTIVITY. AT FIRST; IT LOOKED LIKE WE WOULD CLR IT OR BE IN ZNY AIRSPACE WITH VHF COM BY THE TIME WE NEEDED TO DEVIATE. BUT IT GREW RAPIDLY AND WE HAD TO DEVIATE WHILE STILL IN OCEANIC AIRSPACE; BUT WITH NO TIME FOR THE SLOW AND AGGRAVATING COMMERCIAL HF RELAY GAME TO TRY FOR DEV CLRNC. WE COULDN'T RAISE ZNY ON VHF; BUT ANOTHER ACR'S ACFT RELAYED FOR US. ZNY TRIED TO GET US DEV CLRNC FROM OCEANIC; BUT IT WASN'T HAPPENING FAST ENOUGH. WE STATED WE WOULD DEVIATE E ON CAPT'S EMER AUTH AND STARTED THE TURN. ZNY CAME THROUGH WITH THE DEV CLRNC JUST THEN AND ALL CAME OUT OK. WE CONFIRMED WITH ZNY THAT THEY DID NOT CONSIDER OUR ACTIONS TO BE USE OF EMER AUTH SINCE THE CLRNC DID COME THROUGH IN THE NICK OF TIME; BUT I AM FILING THIS RPT JUST IN CASE SOMEBODY HEARS ABOUT OR ASKS US ABOUT THE USE OF THE EMER WORD ON THE RADIO. HF RELAY THROUGH COMMERCIAL RADIO IS SO ANTIQUE -- LET'S GET DIRECT COM WITH OCEANIC SOMEHOW AND END THIS NONSENSE.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.