Some good examples of un-flat runways: KATL ( especially 8R, concave ) San Jose, Costa Rica ( steep slope, strong visual illusion ) Guatemala City, Guatemala ( very concave runway )
On a related note, here are some airports that the FAA considers "special", as of 1990, and why: APPENDIX 1. SPECIAL AIRPORTS ALASKAN REGION AIRPORT COMMENTS Dutch Harbor, AK Mountainous terrain. Juneau, AK Mountainous terrain. Ketchikan, AK Mountainous terrain on both sides of final approach. Kodiak, AK Airport is surrounded by mountainous terrain. Any go-around beyond ILS or GCA MAP will not provide obstruction clearance. Petersburg, AK Mountainous terrain in immediate vicinity of airport, all quandrants. Sandpoint, AK Mountainous terrain. Seward, AK Mountainous terrain in the immediate vicinity of airport. Sitka, AK Obstruction in missed approach, all quadrants. Valdez, AK Mountainous terrain in immediate vicinity of airport. Wrangell, AK Mountainous terrain in immediate vicinity of airport all quadrants. U.S. MILITARY AIRPORTS AIRPORT COMMENTS Adak, AK Special conditions due to precipitous terrain. Cape Lisburne AFS, AK Mountainous terrain in approach zones; nonstandard instrument approach. Cape Newenham AFS, AK Runway located on mountain slope with high gradient factor; nonstandard instrument approach. Cape Romanzof, AK Runway located on side of mountain; mountainous terrain both sides and north end of runway. Indian Mountain AFS, AK Mountainous terrain. Sparrevohn AFS, AK Mountainous terrain. Tatlina AFS, AK Unique approach; mountainous terrain. + Tin City AFS, AK Mountainous terrain. EASTERN REGION AIRPORT COMMENTS Beckley, WV Mountainous terrain. Bluefield, WV Mountainous terrain. Charleston (Kanawha), WV Mountainous terrain. + Cumberland, MD Mountainous terrain. Elmira (Chemung), NY Mountainous terrain. + Elkins, WV Mountainous terrain. Harrisburg Int'l., PA Mountainous terrain. Hot Springs, VA Mountainous terrain. Roanoke, VA Mountainous terrain. Huntington, WV Mountainous terrain. Washington, DC (National) Special arrival/departure procedures. Wilkes-Barre, PA Mountainous terrain. Binghamton, NY Mountainous terrain. + Saranac Lake, NY Mountainous terrain. Shenandoah Valley, VA Mountainous terrain. (Stanton-Waynesboro-Harrisonburg) EUROPEAN REGION AIRPORT COMMENTS Berlin, Germany Political sensitivity of corridor adherence. Stuttgart, Germany Complex ATC procedures; limited approach facilities. Sondrestrom AB, Sondre Stromfjord Terrain; missed approach Greenland procedures. + Airports in the Union of Soviet Limited information, Socialist Republic (USSR) unique procedures. GREAT LAKES REGION AIRPORT COMMENTS Marquette, MI Mountainous terrain. NEW ENGLAND REGION AIRPORT COMMENTS Dillant-Hopkins, NH Mountainous terrain. Lebanon Regional Mountainous terrain. (Lebanon, NH) Edward F. Knapp State Mountainous terrain. (Barre, VT) Burlington Int'l., VT Mountainous terrain. NORTHWEST MOUNTAIN REGION AIRPORT COMMENTS Klamath Falls, OR Mountainous terrain. Aspen, CO High terrain; special procedures. Durango, CO High terrain; no radar; ILS. Gunnison, CO VOR only; uncontrolled; numerous obstructions in airport area; complex departure procedures. Butte, MT Numerous obstructions; all nonprecision approaches; no tower. + Rifle/Garfield County Mountainous terrain. Regional, CO Yellowstone, MT Mountainous terrain. Missoula, MT Mountainous terrain; special procedures. Cody, WY Mountainous terrain; no approach control; off airport; no tower; nonprecision approaches only. Jackson Hole, WY Mountainous terrain; all quadrants; complex departure procedures. Eagle, CO Mountainous terrain. Telluride, CO High Field elevation. Hailey, ID (Friedman Memorial) Mountainous terrain; special arrival/departure procedures. Hayden, Yampa Valley, CO Mountainous terrain; no control tower; special engine-out procedures for certain large aircraft. SOUTHERN REGION AIRPORT COMMENTS Anniston, AL Traffic complexity. Asheville, NC Mountainous terrain. Beef Island, British Virgin Terrain; night procedures. Birmingham, AL Mountainous terrain. Fort DeFrance, Martinique Terrain. Guatemala City, Guatemala High field elevation; mountainous terrain; unique departure restrictions. Key West Florida Int'l., Airport Lake effect upon thermals on short final to 4,800-foot runway. La Paz, Bolivia High altitude requires special performance. + Guantanamo Bay NAS, Cuba Unique approach requirements. + St. Maarten, Netherlands Antilles Mountainous terrain. Las Americas, Santo Domingo No radar environment; prohibited area and San Isidro Air Base Northeast of field. Pointe-a-Pitre, Guadeloupe Mountainous terrain. (in Leeward Islands) Quito, Ecuador Special approach procedure. Rio de Janeiro, Brazil Mountainous terrain; complexity of approaches; high traffic density. San Jose, Costa Rica Mountainous terrain; unreliable navaids. St. Thomas, Virgin Islands Mountainous terrain; Tegucigalpa, Honduras Mountainous terrain; SOUTHWEST REGION AIRPORT COMMENTS Guadalajara, Mexico High terrain; special departure procedure. WESTERN-PACIFIC REGION AIRPORT COMMENTS Hong Kong Int'l. Special approach; (British Colony, S.E. China) mountainous terrain. Lihue, Kauai, HI High terrain; mountainous to 2,300 feet within 3 miles of the localizer. Kahului, Maui, HI Mountainous terrain. Burbank, CA Mountainous terrain. + Santa Barbara, CA Mountainous terrain. Flagstaff, AZ High terrain. Pago Pago Mountainous terrain. (Tutuila Island, U.S.) Palm Springs, CA Mountainous terrain. + Ontario, CA Mountainous terrain and extremely limited visibility in haze conditions. Reno, NV High terrain. Hilo (General Lyman), HI Mountainous terrain. -- **************************** David Culp [EMAIL PROTECTED] **************************** _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel