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Current Operational Microwave Landing Systems  
User currently offlineFlyMKG From United States of America, joined Jan 2005, 195 posts, RR: 1
Posted (11 years 3 months 3 weeks 2 days 10 hours ago) and read 2693 times:

Tonight I was going through my Instrument Procedues Handbook when I came across an MLS approach. I understand how the approach works and why it was killed off and everything, but I still have some questions. Was the equipment needed in the plane similiar to the standard VOR receiver with a glideslope and localizer? Also, can anybody provide a complete list of all operational MLS systems in the United States?


Essential Power, Operating Generator.
4 replies: All unread, jump to last
User currently offlineAPFPilot1985 From , joined Dec 1969, posts, RR:
Reply 1, posted (11 years 3 months 3 weeks 2 days 7 hours ago) and read 2592 times:

I know that in Florida the Space Shuttle Landing Site has one operational.

User currently offlineDalmd88 From United States of America, joined Jul 2000, 2889 posts, RR: 14
Reply 2, posted (11 years 3 months 3 weeks 2 days 7 hours ago) and read 2587 times:

I think the only operational MLS systems are military. I've only seen them installed in military aircraft. I think they are used mostly on a temp basis. They can set one up at an airfield rather quickly I think. The system has a antenna, a receiver box and the ones I'm familiar with used the same radio control unit and flight director.

User currently offlineWoodreau From United States of America, joined Sep 2001, 1190 posts, RR: 7
Reply 3, posted (11 years 3 months 3 weeks 2 days 1 hour ago) and read 2542 times:

I'm aware of one into Chicago O'Hare, MLS 4 or something like that, but there aren't too many of these things floating around and I doubt very many aircraft have the avionics to fly one.

Bonus animus sit, ab experientia. Quod salvatum fuerit de malis usu venit judicium.
User currently offlineJetmech55 From United States of America, joined Jan 2005, 6 posts, RR: 0
Reply 4, posted (11 years 3 months 3 weeks 1 day 6 hours ago) and read 2475 times:

I know on some C-130s that I have worked on, the MLS consisted of 4 antennas, a receiver, associated wiring and relays. The processed signal was sent to the fight director mode selector switch so that the pilot could select it for display on his ADI. The MLS is still being installed in some tactical cargo aircraft.

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