8 Architecture Considerations User Perspective ILS Lookalike –Accuracy (Performance Characteristics) –Integrity (Sustain Traditional Responsibility of Service Provider) –Minimal Change to Flight Directors/Autopilots No Change to Aircraft Approval Process Reasonable Processing Requirements on Aircraft Minimize Number of LAAS-Dedicated Antennas (e.g., Use Existing VHF Antenna to Receive LAAS Data Broadcast) LAAS CAT I/II/III Complex Procedures
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