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  2. Simplified directional facility - Wikipedia

    en.wikipedia.org/wiki/Simplified_directional...

    Morristown Regional Airport's SDF approach procedure to runway 5 before its decommissioning. Simplified directional facility (SDF) was a localizer-based instrument non-precision approach to an airport, which provided final approach course similar to instrument landing system (ILS) and localizer type directional aid (LDA) approaches, although not as precise.

  3. Final approach - Wikipedia

    en.wikipedia.org/wiki/Final_approach

    The final approach point is a point on a non-precision approach and is marked by a maltese cross symbol. In the United States, where the approach navigation aid is on the field and there is no symbol depicted, the final approach point is "where the aircraft is established inbound on the final approach course from the procedure turn and where ...

  4. Standard terminal arrival route - Wikipedia

    en.wikipedia.org/wiki/Standard_terminal_arrival...

    A STAR is a flight route defined and published by the air navigation service provider that usually covers the phase of a flight that lies between the last point of the route filed in the flight plan and the first point of the approach to the airport, normally the initial approach fix (IAF). Hence, a STAR connects the en-route phase with the ...

  5. Marker beacon - Wikipedia

    en.wikipedia.org/wiki/Marker_beacon

    A back course marker (BC) normally indicates the ILS back-course final-approach fix where approach descent is commenced. It is identified by pairs of Morse-code "dots" at 3000 Hz (95 pairs per minute), which will trigger the white light on a marker beacon indicator, but with a different audio rhythm from an inner marker or en-route marker.

  6. Performance-based navigation - Wikipedia

    en.wikipedia.org/wiki/Performance-based_navigation

    The two types of RNAV-approaches have traditionally been named RNAV (GNSS) and RNAV (RNP) respectively, where the former is the traditional straight-in approach from the final approach fix, and the latter is a more complex approach that curves in the horizontal plane after the final approach fix which requires authorization for it to be ...

  7. How are point spreads made for NFL games? Veteran Vegas ... - AOL

    www.aol.com/sports/point-spreads-made-nfl-games...

    The first spread Andrews comes to for an NFL game is simple math, using the power ratings: If Team A is 90, Team B is 91 and at home with a 2.5-point home-field advantage, the line is Team B -3.5.

  8. Fixed vs. variable interest rates: How these rate types work ...

    www.aol.com/finance/fixed-vs-variable-interest...

    Here's what to know about fixed and variable rates. ... have rates based on the 13-week Treasury bill, plus a spread — similar to a margin rate. Treasury Inflation Protected Securities, or TIPS ...

  9. Monte Carlo methods for option pricing - Wikipedia

    en.wikipedia.org/wiki/Monte_Carlo_methods_for...

    The same approach is used in valuing swaptions, [4] where the value of the underlying swap is also a function of the evolving interest rate. (Whereas these options are more commonly valued using lattice based models , as above, for path dependent interest rate derivatives – such as CMOs – simulation is the primary technique employed. [ 5 ] )