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In article ,
Newps wrote: Capt.Doug wrote: "Newps" wrote in message The TCAS is real, you are required to follow the RA. RAs are inhibited below a certain altitude in landing mode. Yes, I was aware of that. What is that altitude on say an ILS? Is that altitude an FAA mandated altitude, the TCAS manufacturers preset specs or a company ops spec? The RA and TA inhibits are specified in the AC for TCAS (AC 20-151) INHIBIT PARAMETERS Increase Descent RA Inhibited below 1650 ft AGL while climbing and inhibited below 1450 ft AGL while descending. Descend RA Inhibited below 1200 ft AGL while climbing and inhibited below 1000 ft AGL while descending. TA Voice Messages Inhibited below 400 ft AGL while descending and inhibited below 600 ft AGL while climbing. RAs Inhibited below 1100 ft AGL while climbing, and inhibited below 900 ft AGL while descending. (TCAS automatically reverts to TA only). Self-Test Can be inhibited when airborne. Advisory Priority Automatically reverts to TA ONLY when higher priority advisories (such as GPWS/TAWS and Windshear) occur. Climb RA Can be inhibited, based upon aircraft performance capability. Increase Climb RA Can be inhibited, based upon aircraft performance capability. -- Bob Noel (gave up lookingn for a particular sig the lawyer will) |
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