1/2/2024 0 Comments Malsr lightsNota adicional3 They assist the pilot in transitioning from instrument flight conditions to visual conditions at the end of an instrument approach. The other two lights are located, one on each side of the runway threshold, at a lateral distance of 40 feet from the runway edge, or 75 feet from the runway edge when installed on a runway equipped with a VASI. Five lights are located on the runway centerline extended with the first light located 300 feet from the threshold and extending at equal intervals up to 1,500 feet from the threshold. The ALSF-2 may operate as an SSALR when weather conditions permit.ģ.SSALF- Simplified Short Approach Light System with Sequenced Flashing Lights.Ĥ.SSALR- Simplified Short Approach Light System with Runway Alignment Indicator Lights.ĥ.MALSF- Medium Intensity Approach Light System with Sequenced Flashing Lights.Ħ.MALSR- Medium Intensity Approach Light System with Runway Alignment Indicator Lights.ħ.RLLS- Runway Lead-in Light System Consists of one or more series of flashing lights installed at or near ground level that provides positive visual guidance along an approach path, either curving or straight, where special problems exist with hazardous terrain, obstructions, or noise abatement procedures.Ĩ.RAIL- Runway Alignment Indicator Lights- Sequenced Flashing Lights which are installed only in combination with other light systems.ĩ.ODALS- Omnidirectional Approach Lighting System consists of seven omnidirectional flashing lights located in the approach area of a nonprecision runway. Types of Approach Light Systems are:ġ.ALSF-1- Approach Light System with Sequenced Flashing Lights in ILS Cat-I configuration.Ģ.ALSF-2- Approach Light System with Sequenced Flashing Lights in ILS Cat-II configuration. Nota adicional2 Condenser-Discharge Sequential Flashing Lights/Sequenced Flashing Lights may be installed in conjunction with the ALS at some airports. (Cambridge aerospace series.) Nota adicional1 Acronym in English: ALS. Definição3 In modern large airfields, any of several systems of light extending along projected centerline of runway in use towards approach aircraft to provide visual indication of runway location, distances, alignment, glide path slope and, probably, transverse horizontal. The lights radiate beams in a directional pattern by which pilot aligns the aircraft with the extended centerline of the runway on the final approach for landing. Definição2 A system of high-intensity lights located along the approach path of an instrument runway. (i) The approach light system, except that the pilot may not descend below 100 feet above the touchdown zone elevation using the approach lights as a reference unless the red terminating bars or the red side row bars are also distinctly visible and identifiable.Approach light system Sinônimos approach lighting system Definição1 An airport lighting facility which provides visual guidance to landing aircraft by radiating light beams in a directional pattern by which the pilot aligns the aircraft with the extended centerline of the runway on his/her final approach for landing. (3) Except for a Category II or Category III approach where any necessary visual reference requirements are specified by the Administrator, at least one of the following visual references for the intended runway is distinctly visible and identifiable to the pilot: (2) The flight visibility is not less than the visibility prescribed in the standard instrument approach being used and (1) The aircraft is continuously in a position from which a descent to a landing on the intended runway can be made at a normal rate of descent using normal maneuvers, and for operations conducted under part 121 or part 135 unless that descent rate will allow touchdown to occur within the touchdown zone of the runway of intended landing Except as provided in paragraph (l) of this section, where a DH or MDA is applicable, no pilot may operate an aircraft, except a military aircraft of the United States, at any airport below the authorized MDA or continue an approach below the authorized DH unless– ] Note that if you can see the red bars you are definitely able to see the approach light system as well, as it has a higher intensity. Yes you can descend below 100 feet above the TDZL with the red terminating bars in sight as long as the flight visibility is the one prescribed for the approach and the aircraft is in a position for a safe landing.
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