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Simplified Directional Facility
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. The SDF signal was fixed at either 6 or 12 degrees, as necessary to provide maximum flyability and optimum course quality.AIM 1-1-10 (March 7, 2013 Revision), accessed 2013-07-06 Unlike an ILS, an SDF did not provide vertical guidance in the form of a glideslope. The SDF course may or may not be aligned with the runway because its antenna may be offset from the runway centerline. Usable off-course indications are limited to 35 degrees either side of the course centerline. Current SDF approaches in the United States As of November 2024, the last SDR approach at Morristown Regional Airport (KMOR) was permanently decommissioned. See also * Instrument approach * Instrument landing system * Localizer type dire ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
KMOR SDF Approach Runway 5 , ICAO code KMOR
{{Disambiguation, callsign, airport ...
KMOR may refer to: * KMOR (FM), a radio station (93.3 FM) licensed to serve Gering, Nebraska, United States * KMOR-LP, a defunct low-power television station (channel 51) formerly licensed to serve Eugene, Oregon, United States * Morristown Regional Airport Morristown Regional Airport (formerly called Moore–Murrell Airport) is a city-owned public-use airport located four nautical miles (7 km) southwest of the central business district of Morristown, a city in Hamblen County, Tennessee, United ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Non-precision Approach
In aviation, an instrument approach or instrument approach procedure (IAP) is a series of predetermined maneuvers for the orderly transfer of an aircraft operating under instrument flight rules from the beginning of the initial approach to a landing, or to a point from which a landing may be made visually. These approaches are approved in the European Union by EASA and the respective country authorities, and in the United States by the FAA or the United States Department of Defense for the military. The ICAO defines an instrument approach as "a series of predetermined maneuvers by reference to flight instruments with specific protection from obstacles from the initial approach fix, or where applicable, from the beginning of a defined arrival route to a point from which a landing can be completed and thereafter, if landing is not completed, to a position at which holding or ''en route'' obstacle clearance criteria apply." There are three categories of instrument approach proced ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Final Approach
In aeronautics, the final approach (also called the final leg and final approach leg) is the last leg in an aircraft's approach to landing, when the aircraft is lined up with the runway and descending for landing.Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 213 and 241. Aviation Supplies & Academics, 1997. In aviation radio terminology, it is often shortened to "final". The last section of the final approach is sometimes referred to as short final. In a standard airport landing pattern, which is usually used under visual meteorological conditions (VMC), aircraft turns from base leg to final within one-half to two miles of the airport. For instrument approaches, as well as approaches into a controlled airfield under visual flight rules (VFR), often a "straight-in" final approach is used, where all the other legs are dispensed within. Straight-in approaches are discouraged at non-towered airports in the United States. Approach slope An approach slope ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Localizer Type Directional Aid
A localizer type directional aid (LDA) or Instrument Guidance System (IGS) is a type of localizer-based instrument approach to an airport. It is used in places where, due to terrain and other factors, the localizer antenna array is not aligned with the runway it serves. In these cases, the localizer antenna array may be offset (i.e. pointed or aimed) in such a way that the approach course it projects no longer lies along the extended runway centerline (which is the norm for non-offset and non-LDA localizer systems). If the angle of offset is three degrees or less, the facility is classified as an offset localizer. If the offset angle is greater than three degrees, the facility is classified as a localizer-type directional aid (LDA). Straight-in approaches may be published if the offset angle does not exceed 30 degrees. Only circling minima are published for offset angles greater than 30 degrees. As a "directional aid", and only a Category I (CAT I) approach, rather than a full-fle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glideslope
In aviation, instrument landing system glide path, commonly referred to as a glide path (G/P) or glide slope (G/S), is "a system of vertical guidance embodied in the instrument landing system which indicates the vertical deviation of the aircraft from its optimum path of descent". Principle of operation A glide slope station uses a phased antenna array sited on a tower which is offset approximately 250 to 650' to one side of the runway centerline and approximately 750 to 1250' beyond the approach end of the runway, adjacent to the runway touchdown zone. The GS transmits in the 328 to 336 MHz ultra high frequency (UHF) portion of the electromagnetic spectrum. Similar to the localizer, the GS signal is amplitude modulated with 90 and 150 Hz audio tones and transmitted on a carrier signal. The centre of the glide slope signal is arranged to define a glide path of approximately 3° above horizontal (ground level). Carrier frequency pairings Localizer (LOC) and glide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morristown Regional Airport
Morristown Regional Airport (formerly called Moore–Murrell Airport) is a city-owned public-use airport located four nautical miles (7 km) southwest of the central business district of Morristown, a city in Hamblen County, Tennessee, United States. It was opened in 1953. This airport is included in the FAA's National Plan of Integrated Airport Systems for 2009–2013, which categorized it as a ''general aviation'' facility. History An office structure was constructed in 1953 along with a grass strip and maintenance hangar. In 1958, the first paved runway was completed. In 1968, the first professional terminal was dedicated. The original airport terminal was demolished on April 28, 2009. A new, more modern terminal opened in 2010 and was named Eyelyn Bryan Johnson Terminal for its longtime manager, Evelyn Bryan Johnson. Southern Airways served the airport in the early 1960s with flights to/from Knoxville and Tri-City airports. A marker dedicating the field to Rev. Melvil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federal Aviation Administration
The Federal Aviation Administration (FAA) is a Federal government of the United States, U.S. federal government agency within the United States Department of Transportation, U.S. Department of Transportation that regulates civil aviation in the United States and surrounding international waters. Its powers include air traffic control, certification of personnel and aircraft, setting standards for airports, and protection of U.S. assets during the launch or re-entry of commercial space vehicles. Powers over neighboring international waters were delegated to the FAA by authority of the International Civil Aviation Organization. The FAA was created in as the Federal Aviation Agency, replacing the Civil Aeronautics Administration (United States), Civil Aeronautics Administration (CAA). In 1967, the FAA became part of the newly formed U.S. Department of Transportation and was renamed the Federal Aviation Administration. Major functions The FAA's roles include: *Regulating U.S. co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Instrument Approach
In aviation, an instrument approach or instrument approach procedure (IAP) is a series of predetermined maneuvers for the orderly transfer of an aircraft operating under instrument flight rules from the beginning of the initial approach to a landing, or to a point from which a landing may be made Visual approach, visually. These approaches are approved in the European Union by EASA and the respective country authorities, and in the United States by the Federal Aviation Administration, FAA or the United States Department of Defense for the military. The ICAO defines an instrument approach as "a series of predetermined maneuvers by reference to flight instruments with specific protection from obstacles from the initial approach fix, or where applicable, from the beginning of a defined arrival route to a point from which a landing can be completed and thereafter, if landing is not completed, to a position at which holding (aviation), holding or ''en route'' obstacle clearance criteri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Localizer Type Directional Aid
A localizer type directional aid (LDA) or Instrument Guidance System (IGS) is a type of localizer-based instrument approach to an airport. It is used in places where, due to terrain and other factors, the localizer antenna array is not aligned with the runway it serves. In these cases, the localizer antenna array may be offset (i.e. pointed or aimed) in such a way that the approach course it projects no longer lies along the extended runway centerline (which is the norm for non-offset and non-LDA localizer systems). If the angle of offset is three degrees or less, the facility is classified as an offset localizer. If the offset angle is greater than three degrees, the facility is classified as a localizer-type directional aid (LDA). Straight-in approaches may be published if the offset angle does not exceed 30 degrees. Only circling minima are published for offset angles greater than 30 degrees. As a "directional aid", and only a Category I (CAT I) approach, rather than a full-fle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
