clearance sector

clearance sector

[′klir·əns ‚sek·tər]
(navigation)
In instrument-landing-system localizers, that section which extends from the front to the back course of sectors and within which the deviation indicator provides the required off-course indications.
References in periodicals archive ?
Although KeyPoint's work in the clearance sector is national in scope, with a heavy emphasis on technology, volunteering, at its essence, is a local undertaking, one where some of the greatest needs exist around simple, 'hands-on' projects like yardwork, painting, planting, and reading to kids," said KeyPoint Cares Coordinator Christi Brockway.
also provides specialized nationwide services in the security clearance sector through ClearanceJobs.