AN FE BELIEVES THAT A CELLULAR PHONE MAY BE EXPOSING HIM TO DAMAGING RF RADIATION.

Date: 1994-07 · Aircraft: B727 Undifferentiated or Other Model

Anomalies: aircraft-equipment-problem-less-severe|other-unspecified

Synopsis

AN FE BELIEVES THAT A CELLULAR PHONE MAY BE EXPOSING HIM TO DAMAGING RF RADIATION.

Narrative

THE COMPANY HAS INSTALLED CELLULAR PHONES IN OUR CARGO ACFT TO COM WITH OPS WHILE ON THE RAMP. WE STILL USE ARINC WHEN AIRBORNE. THE PROB IS THE UNITS WERE MOUNTED UNDER THE FE'S TABLE WITH THE ANTENNA IN CLOSE PROX (AND SOMETIMES TOUCHING) THE FE'S 'PVT PARTS.' THESE UNITS PUT OUT UP TO 10 WATTS OF PWR IN THE UHF BAND (NOT MUCH LOWER THAN YOUR MICROWAVE). A CELLULAR PHONE IS ALSO XMITTING ANYTIME IT IS ON; UNLIKE VHF COM; WHICH IS KEYED ON. THERE IS MUCH EVIDENCE THAT HIGH FREQ RADIATION MAY CAUSE CERTAIN CANCERS. ALTHOUGH THIS IS NOT A SAFETY OF FLT DIRECTLY; IT CAUSES ME GREAT CONCERN THAT WE ARE PUT AT THIS RISK FOR THE CONVENIENCE OF THE COMPANY. THE COST AND EFFORT TO RELOCATE THAT ANTENNA ARE MINOR COMPARED TO THE PROBS THE FLCS; AND FE'S ESPECIALLY; COULD BE FACING IN FUTURE YRS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR FLIES FOR A 'THIRD LEVEL;' NON-UNION CARGO ACR. HE STATES THAT CREW MEMBERS ARE ROUTINELY FIRED FOR MINOR INFRACTIONS; HENCE HE HAS NOT COMPLAINED TO THE ACR REGARDING HIS CONCERN WITH THE CELLULAR TELEPHONE. OTHER CREW MEN HAVE COMPLAINED; BUT THE ACR SEEMS TO BE UNSYMPATHETIC. THE RPTR'S CONCERNS COME FROM A WARNING IN THE OPERATING MANUAL FOR THE TELEPHONE THAT WARNS OPERATORS ABOUT RADIATION HAZARDS FROM THE ANTENNA. AS THE SYS IS INSTALLED IN THE COCKPIT; IT IS SURROUNDED BY METAL AND USES UP TO 10 WATTS TO 'BLAST' ITS WAY TO THE OUTSIDE WORLD. THE RPTR WILL FAX TO THE ASRS A COPY OF THE WARNING IN THE OWNER'S MANUAL. HE IS NOW AWARE OF THE FAA AVIATION SAFETY HOTLINE AND WILL CONSIDER CONTACTING OSHA. AS THE PHONE INSTALLATION IS 'TEMPORARY;' IT HAS NOT BEEN APPROVED BY THE FAA; NOR DOES IT NEED FAA APPROVAL.

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