NOTICES TO AIRMEN PUBLICATION/NTAP - A Federal Aviation Administration publication issued every 28 days, designed primarily for the pilot, which contains current Notice to Airman information considered essential to the safety of flight as well as supplemental data to other aeronautical publications. The contraction NTAP is used in NOTAM text. (See Notice to Airmen -NOTAM)
NOTICE TO AIRMEN/NOTAM (P/CG) - A notice containing information (not known sufficiently in advance to publicize by other means) concerning the establishment, condition or change in any component (facility, service, or procedure of, or hazard in the National Airspace System) the timely knowledge of which is essential to personnel concerned with flight Operations.
(1)
NOTAM(D) - A NOTAM given (in addition to local dissemination) distant dissemination beyond the area of responsibility of the Flight Service Station. These NOTAMs will be stored and available until cancelled.
(2)
NOTAM(L) - A NOTAM given local dissemination by voice and other means, such as, teleautograph, and telephone, to satisfy local user requirements.
(3)
FDC NOTAM - A NOTAM regulatory in nature, transmitted by USNOF and given system wide dissemination.
NOTICE TO AIRMEN/NOTAM (JCS, NATO, ICAO) - A notice containing information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which is essential to personnel concerned with flight Operations.
Class I Distribution. Distribution by means of telecommunication.
Class II Distribution. Distribution by means other than telecommunications.
NO TRANSGRESSION ZONE (NTZ) - The NTZ is a 2,000 foot wide zone, located equidistant between parallel runway final approach courses in which flight is not allowed.
NUMEROUS TARGETS VICINITY (LOCATION) - A traffic advisory issued by Air Traffic Control to advise pilots that targets on the radar scope are too numerous to issue individually. (See Traffic Advisories)
OBSTACLE - An existing object, object of natural growth, or terrain at a fixed geographical location, or which may be expected at a fixed location within a prescribed area, with reference to which vertical clearance is or must be provided during flight Operations.
OBSTACLE FREE ZONE (P/CG) - The OFZ is a three dimensional volume of airspace which protects for the transition of aircraft and from the runway. The OFZ clearing standard precludes taxiing and parked airplanes and object penetrations, except for frangible NAVAID locations that are fixed by function. Additionally, vehicles, equipment, and personnel may be authorized by air traffic control to enter the area using the provisions of FAA Order 7110.65, paragraph 3-1-5, VEHICLES/EQUIPMENT/PERSONNEL ON RUNWAYS. The runway OFZ and when applicable, the inner-approach OFZ , and the inner-transitional OFZ, comprise the OFZ.
a. Runway OFZ. The runway OFZ is a defined volume of airspace centered above the runway. The runway OFZ is the airspace above a surface whose elevation at any point is the same as the elevation of the nearest point on the runway centerline. The runway OFZ extends 200 feet beyond each end of runway. The width is as follows:
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