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2. Terminal radar service area - Wikipedia

   en.wikipedia.org/wiki/Terminal_radar_service_area

   In United States aviation, a terminal radar service area (TRSA) is a delimited airspace where radar and air traffic control services are made available to pilots flying under instrument flight rules or (optionally) visual flight rules, to maintain aircraft separation.

3. Sectional aeronautical chart - Wikipedia

   en.wikipedia.org/wiki/Sectional_aeronautical_chart

   Sectional charts are in 1:500,000 scale and are named for a city on the map. The Federal Aviation Administration (FAA) in the United States publishes over 50 charts covering the continental United States, Alaska, and Hawaii. Sectional charts are published by the National Aeronautical Navigation Services Group of the FAA.

4. Aeronautical chart conventions (United States) - Wikipedia

   en.wikipedia.org/wiki/Aeronautical_chart...

   A sectional chart is a two-sided chart created from a Lambert Conformal Conic Projection [1] with two defined standard parallels. The scale is 1:500,000, with a contour interval of 500 feet. The size of each sectional is designed to be "arm's width" when completely unfolded.

5. Lambert conformal conic projection - Wikipedia

   en.wikipedia.org/wiki/Lambert_conformal_conic...

   Pilots use aeronautical charts based on LCC because a straight line drawn on a Lambert conformal conic projection approximates a great-circle route between endpoints for typical flight distances. The US systems of VFR (visual flight rules) sectional charts and terminal area charts are drafted on the LCC with standard parallels at 33°N and 45 ...

6. Sectional center facility - Wikipedia

   en.wikipedia.org/wiki/Sectional_center_facility

   A sectional center facility (SCF) is a processing and distribution center (P&DC) of the United States Postal Service (USPS) that serves a designated geographical area defined by one or more three-digit ZIP Code prefixes.

7. Chippewa Falls wins girls track and field sectional ... - AOL

   www.aol.com/chippewa-falls-wins-girls-track...

   Chippewa Falls had 79.5 points in the girls team standings. Second place Stevens Point had 68.5. Eau Claire Memorial had 59, good for sixth, and Eau Claire North ...

8. College Football Playoff quarterfinal schedule, matchups ...

   www.aol.com/college-football-playoff-odds-match...

   We have a new favorite to win the College Football Playoff after the first round.. No. 5 seed Texas is +300 to win it all at BetMGM after its 38-24 win over No. 12 Clemson on Saturday. The ...

9. Maximum elevation figure - Wikipedia

   en.wikipedia.org/wiki/Maximum_Elevation_Figure

   MEF's of 4700 and 3300 feet are shown on this excerpt from the FAA's Los Angeles sectional aeronautical chart. Maximum elevation figure ( MEF ) is a type of visual flight rule (VFR) information that indicates the elevation of the highest geographical feature within a GEOREF quadrangle area.