*FAA PREPARES AIRCRAFT-TECHNOLOGY MANDATE AFTER D.C. MIDAIR CRASH, SOURCES SAY -- WSJ
*FAA PREPARES AIRCRAFT-TECHNOLOGY MANDATE AFTER D.C. MIDAIR CRASH, SOURCES SAY -- WSJ *FAA MANDATE UNDER DISCUSSION WOULD REQUIRE NEARLY ALL AIRCRAFT IN CIVILIAN AIRSPACE TO USE ADS-B SYSTEMS, SOURCES SAY -- WSJ $GRMN • $LHX
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