![]() ![]() For example, a system could effect an emergency brake application if the driver does not react to a signal at danger. JSTOR ( May 2009) ( Learn how and when to remove this template message)Īutomatic train control ( ATC) is a general class of train protection systems for railways that involves a speed control mechanism in response to external inputs.Unsourced material may be challenged and removed.įind sources: "Automatic train control" – news Please help improve this article by adding citations to reliable sources. Applicability of, and substitution for, the inner marker for a Category II or III approach is determined by the appropriate 14 CFR part 97 approach procedure, letter of authorization, or operations specifications issued to an operator.This article needs additional citations for verification. The following means may be used to substitute for the outer marker: Compass locator precision approach radar (PAR) or airport surveillance radar (ASR) DME, VOR, or nondirectional beacon fixes authorized in the standard instrument approach procedure or a suitable RNAV system in conjunction with a fix identified in the standard instrument approach procedure. ![]() The basic components of an ILS are the localizer, glide slope, and outer marker, and, when installed for use with Category II or Category III instrument approach procedures, an inner marker. Upon reaching the final approach course or fix, the pilot may either complete the instrument approach in accordance with a procedure approved for the facility or continue a surveillance or precision radar approach to a landing. After the aircraft is so established, published altitudes apply to descent within each succeeding route or approach segment unless a different altitude is assigned by ATC. When operating on an unpublished route or while being radar vectored, the pilot, when an approach clearance is received, shall, in addition to complying with § 91.177, maintain the last altitude assigned to that pilot until the aircraft is established on a segment of a published route or instrument approach procedure unless a different altitude is assigned by ATC. Radar vectors may be authorized to provide course guidance through the segments of an approach to the final course or fix. When radar is approved at certain locations for ATC purposes, it may be used not only for surveillance and precision radar approaches, as applicable, but also may be used in conjunction with instrument approach procedures predicated on other types of radio navigational aids. (i ) Operations on unpublished routes and use of radar in instrument approach procedures. More than 1,200 feet above the surface and at or above 10,000 feet MSL More than 1,200 feet above the surface but less than 10,000 feet MSL Operation under IFR in controlled airspace: Malfunction reports.Ĭategory II and III operations: General operating rules.Ĭertificate of authorization for certain Category II operations.ġ,200 feet or less above the surface (regardless of MSL altitude) IFR operations: Two-way radio communications failure. Operations within airspace designated as Reduced Vertical Separation Minimum airspace. Straight-in landing operations below DA/DH or MDA using an enhanced flight vision system (EFVS) under IFR. Special awareness training required for pilots flying under visual flight rules within a 60-nautical mile radius of the Washington, DC VOR/DME.įuel requirements for flight in IFR conditions. Passenger carrying flights for compensation or hire.įuel requirements for flight in VFR conditions. Passenger-carrying flights for the benefit of a charitable, nonprofit, or community event. Management of aircraft operations in the vicinity of aerial demonstrations and major sporting events. Temporary restriction on flight operations during abnormally high barometric pressure conditions. Temporary flight restrictions in national disaster areas in the State of Hawaii.įlight restrictions in the proximity of the Presidential and other parties.įlight limitation in the proximity of space flight operations. Temporary flight restrictions in the vicinity of disaster/hazard areas. Operating on or in the vicinity of an airport in Class E airspace. Operating on or in the vicinity of an airport in Class G airspace. Right-of-way rules: Except water operations.Ĭompliance with ATC clearances and instructions. Use of safety belts, shoulder harnesses, and child restraint systems.įlight instruction Simulated instrument flight and certain flight tests.
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