frangible object

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• frangible object — An object of low mass designed to break, distort, or yield on impact so as to present the minimum hazard to aircraft (ICAO). Objects located in the vicinity of operating surfaces should be frangible so that if an aircraft hits them inadvertently …   Aviation dictionary

• Frangible — A material is said to be frangible if through deformation it tends to break up into fragments, rather than deforming plastically and retaining its cohesion as a single object. A common cookie or cracker are examples of frangible materials, while… …   Wikipedia

• Glossary of military abbreviations — List of terms, acronyms, information, related to modern armour, artillery, infantry, weapons, and related military subject matter.* AA anti aircraft * AAA anti aircraft artillery Triple A * AAAV Advanced Amphibious Assault Vehicle * AAD Armoured… …   Wikipedia

• Breaching round — A breaching round or slug shot is a shotgun shell specially made for the purposes of door breaching. It is typically fired at a range of 6 inches (15 cm) or less, aimed at the hinges or the area between the doorknob and lock and door jamb, and is …   Wikipedia

• Label — For other uses, see Label (disambiguation). Shirt with labels …   Wikipedia

• Ricochet — A ricochet (pronEng|ˈrɪkəʃeɪ RICK uh shay ) is a rebound, bounce or skip off a surface, particularly in the case of a projectile. The possibility of ricochet is one of the reasons for the common firearms safety rule Be sure of your target and of… …   Wikipedia

• Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… …   Wikipedia

• Bullet — This article is about firearms projectiles. For other uses, see Bullet (disambiguation). Lead soft point, boat tailed, copper jacketed bullets A bullet is a projectile propelled by a firearm, sling, or air gun. Bullets do not normally contain… …   Wikipedia

• frail — frail1 frailly, adv. frailness, n. /frayl/, adj., frailer, est. 1. having delicate health; not robust; weak: My grandfather is rather frail now. 2. easily broken or destroyed; fragile. 3. morally weak …   Universalium

• 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

• marker — An object displayed above ground level in order to indicate an obstacle or delineate a boundary (ICAO). Markers should be frangible, and those located near a runway or taxiway should be sufficiently low to ensure clearance for propellers and the… …   Aviation dictionary