obstacle clearance surface

См. также в других словарях:

• obstacle assessment surface — A defined surface intended for the purpose of determining those obstacles to be considered in the calculation of obstacle clearance altitude/height for a specified ILS (instrument landing system) facility and procedure (ICAO). See also obstacle… …   Aviation dictionary

• obstacle-limitation surfaces — The outer horizontal, conical, inner horizontal, approach, inner approach, transitional, inner transitional, balked landing, and takeoff climb surfaces make up the obstacle limitation surfaces. The outer horizontal surface is a plane located 500… …   Aviation dictionary

• Obstacle Free Zone — The Obstacle Free Zone (OFZ) is a three dimensional volume of airspace below 150 feet (46 m), above the established airport elevation which protects for the transition of aircraft to and from the runway. The Obstacle Free Zone (OFZ) clearing …   Wikipedia

• Abkürzungen/Luftfahrt/L–R — Dies ist der vierte Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B; C; D Teil 3 E–K …   Deutsch Wikipedia

• minimum holding altitude — The lowest altitude prescribed for a holding pattern, which complies with requirements for obstruction clearance and ensures good reception of radio signals and of navigational aids. The minimum holding level provides a clearance of at least 1000 …   Aviation dictionary

• buffer area — As it pertains to a holding area, it is the area extending 5 NM (9.3 km) beyond the boundary of the holding area. The height and the nature of the obstacles are taken into consideration when determining the minimum holding level usable in the… …   Aviation dictionary

• Frogman — This article is about a type of military diver. For other uses, see Frogman (disambiguation). A French frogman with bag on chest rebreather with 2 breathing tubes (model Oxygers , 1957) …   Wikipedia

• Abkürzungen/Luftfahrt/B–D — Dies ist der zweite Teil der Liste Abkürzungen/Luftfahrt. Liste der Abkürzungen Teil 1 A A Teil 2 B–D B (BA, BB, BC, BD, BE, BF, BG, BH, BI, BJ, BK, BL …   Deutsch Wikipedia

• omnidirectional departures — When no track guidance is provided in the design of a departure procedure, the departure criteria are developed by using the omnidirectional method. The procedure commences at the departure end of the runway, which is the end of the area declared …   Aviation dictionary

• PANS-OPS — (Procedures for Air Navigation Services Aircraft Operations) is an ATC term denominating rules for designing instrument approach and departure procedures. Such procedures are used to allow aircraft to land and take off under Instrument… …   Wikipedia

• Emergence — For other uses see Emergence (disambiguation), Emergent, and Emergency. : See also the closely related articles: Spontaneous order and self organization. In philosophy, systems theory and the sciences, emergence is the way complex systems and… …   Wikipedia