ATC
NATA wants longer DRVSM phase-in period
NATA has asked the FAA for a longer phase-in period for implementing domestic reduced vertical separation minimums (DRVSM) in 2004 due to economic and oper

NATA has asked the FAA for a longer phase-in period for implementing domestic reduced vertical separation minimums (DRVSM) in 2004 due to economic and operational considerations.

 In a letter to FAA Administrator Jane Garvey, NATA v-p Jeb Burnside said the association is chiefly concerned that any FAA cost-benefit analyses employing pre-September 2001 traffic projections may no longer be appropriate. “NATA believes the FAA should carefully consider the effect of domestic RVSM at FL 350 to 390 on the current fleet of turbine aircraft,” he wrote.

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