時間：2011-04-18 00:52來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次
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HELIPORT. An area of land, water, or structure used or intended to be used for the landing and takeoff of helicopters and includes its buildings and facilities if any. HELIPORT REFERENCE POINT (HRP). The geographic center of a heliport. HERTZ. The standard radio equivalent of frequency in cycles per second of an electromagnetic wave. Kilohertz (kHz) is a frequency of one thousand cycles per second. Megahertz (MHz) is a frequency of one million cycles per second. HF. (See HIGH FREQUENCY.)HF COMMUNICATIONS. (See HIGH FREQUENCY COMMUNICATIONS.)HIGH ALTITUDE REDESIGN (HAR). A level of non.restrictive routing (NRR) service for aircraft that have all waypoints associated with the HAR program in their flight management systems or RNAV equipage. PCG H.1 HIGH FREQUENCY. The frequency band between 3 and 30 MHz. (See HIGH FREQUENCY COMMUNICATIONS.)HIGH FREQUENCY COMMUNICATIONS. High radio frequencies (HF) between 3 and 30 MHz used for air-to-ground voice communication in overseas operations. HIGH SPEED EXIT. (See HIGH SPEED TAXIWAY.)HIGH SPEED TAXIWAY. A long radius taxiway designed and provided with lighting or marking to define the path of aircraft, traveling at high speed (up to 60 knots), from the runway center to a point on the center of a taxiway. Also referred to as long radius exit or turn-off taxiway. The high speed taxiway is designed to expedite aircraft turning off the runway after landing, thus reducing runway occupancy time. HIGH SPEED TURNOFF. (See HIGH SPEED TAXIWAY.)HIWAS. (See HAZARDOUS INFLIGHT WEATHER ADVISORY SERVICE.)HIWAS AREA. (See HAZARDOUS INFLIGHT WEATHER ADVISORY SERVICE.)HIWAS BROADCAST AREA. A geographical area of responsibility including one or more HIWAS outlet areas assigned to an AFSS/FSS for hazardous weather advisory broadcasting. HIWAS OUTLET AREA. An area defined as a 150 NM radius of a HIWAS outlet, expanded as necessary to provide coverage. HOLD FOR RELEASE. Used by ATC to delay an aircraft for traffic management reasons; i.e., weather, traffic volume, etc. Hold for release instructions (including departure delay information) are used to inform a pilot or a controller (either directly or through an authorized relay) that an IFR departure clearance is not valid until a release time or additional instructions have been received. (See ICAO term HOLDING POINT.)HOLD IN LIEU OF PROCEDURE TURN. A hold in lieu of procedure turn shall be established over a final or intermediate fix when an approach can be made from a properly aligned holding pattern. The hold in lieu of procedure turn permits the pilot to align with the final or intermediate segment of the approach and/or descend in the holding pattern to an altitude that will permit a normal descent to the final approach fix altitude. The hold in lieu of procedure turn is a required maneuver (the same as a procedure turn) unless the aircraft is being radar vectored to the final approach course, when “NoPT” is shown on the approach chart, or when the pilot requests or the controller advises the pilot to make a “straight.in” approach. HOLD PROCEDURE. A predetermined maneuver which keeps aircraft within a specified airspace while awaiting further clearance from air traffic control. Also used during ground operations to keep aircraft within a specified area or at a specified point while awaiting further clearance from air traffic control. (See HOLDING FIX.)(Refer to AIM.)HOLDING FIX. A specified fix identifiable to a pilot by NAVAIDs or visual reference to the ground used as a reference point in establishing and maintaining the position of an aircraft while holding. (See FIX.)(See VISUAL HOLDING.)(Refer to AIM.)HOLDING POINT [ICAO]. A specified location, identified by visual or other means, in the vicinity of which the position of an aircraft in flight is maintained in accordance with air traffic control clearances. HOLDING PROCEDURE. (See HOLD PROCEDURE.)HOLD-SHORT POINT. A point on the runway beyond which a landing aircraft with a LAHSO clearance is not authorized to proceed. This point may be located prior to an intersecting runway, taxiway, predetermined point, or approach/departure flight path. HOLD-SHORT POSITION LIGHTS. Flashing in-pavement white lights located at specified hold-short points. HOLD-SHORT POSITION MARKING. The painted runway marking located at the hold-short point on all LAHSO runways. HOLD-SHORT POSITION SIGNS. Red and white holding position signs located alongside the hold-short point. PCG H.2 HOMING. Flight toward a NAVAID, without correcting for wind, by adjusting the aircraft heading to maintain a relative bearing of zero degrees. (See BEARING.)(See ICAO term HOMING.)HOMING [ICAO]. The procedure of using the direction-finding equipment of one radio station with the emission of another radio station, where at least one of the stations is mobile, and whereby the mobile station proceeds continuously towards the other station. HOVER CHECK. Used to describe when a helicopter/VTOL aircraft requires a stabilized hover to conduct a performance/power check prior to hover taxi, air taxi, or takeoff. Altitude of the hover will vary based on the purpose of the check. Pilot/Controller Glossary HOVER TAXI. Used to describe a helicopter/VTOL aircraft movement conducted above the surface and in ground effect at airspeeds less than approximately 20 knots. The actual height may vary, and some helicopters may require hover taxi above 25 feet AGL to reduce ground effect turbulence or provide clearance for cargo slingloads. (See AIR TAXI.)(See HOVER CHECK.)(Refer to AIM.)HOW DO YOU HEAR ME?. A question relating to the quality of the transmission or to determine how well the transmission is being received. HZ. (See HERTZ.)PCG H.3 I I SAY AGAIN. The message will be repeated. IAF. (See INITIAL APPROACH FIX.)IAP. (See INSTRUMENT APPROACH PROCEDURE.) |
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