featureless terrain

См. также в других словарях:

• featureless terrain illusion — An optical illusion caused by the absence of ground features, such as when landing over water, darkened areas, and terrain made featureless by snow. The pilot believes that the aircraft is at a higher altitude than it actually is and, in the… …   Aviation dictionary

• Sensory illusions in aviation — Because human senses are adapted for use on the ground, navigating by sensory input alone during flight can be dangerous: sensory input does not always accurately reflect the movement of the aircraft, causing sensory illusions. These illusions… …   Wikipedia

• Planum Boreum — Viking mosaic of Planum Boreum and surrounds Coordinates …   Wikipedia

• mountain — mountainless, adj. /mown tn/, n. 1. a natural elevation of the earth s surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m). 2. a large mass of something… …   Universalium

• Sri Lanka — Sri Lankan, adj., n. /sree lahng keuh, lang keuh, shree / an island republic in the Indian Ocean, S of India: a member of the Commonwealth of Nations. 18,762,075; 25,332 sq. mi. (65,610 sq. km). Cap.: Colombo. Formerly, Ceylon. Arabic, Serendip.… …   Universalium

• Battle of Pozières — Infobox Military Conflict conflict=Battle of Pozières partof=the First World War colour scheme=background:#cccccc caption= date=23 July ndash;7 August, 1916 place=Pozières, Somme, France result=Allied Victory combatant1= combatant2= commander1=… …   Wikipedia

• Air navigation — The principles of air navigation are the same for all aircraft, big or small. Air navigation involves successfully piloting an aircraft from place to place without getting lost, breaking the laws applying to aircraft, or endangering the safety of …   Wikipedia

• Spatial disorientation — is a condition in which an aircraft pilot s perception of direction (proprioception) does not agree with reality. While it can be brought on by disturbances or disease within the vestibular system, it is more typically a temporary condition… …   Wikipedia

• Steppe Lemming — Taxobox name = Steppe Lemming fossil range = Late Pliocene to Recent status = LR/lc | status system = IUCN2.3 image size = 240px image caption = Steppe Lemming, Lagurus lagurus regnum = Animalia phylum = Chordata classis = Mammalia ordo =… …   Wikipedia

• Erac's Cousin — Greyhawk Character caption= name=Erac s Cousin home=Unknown gender=Male race=Human class=Fighter/ wizard alignment=alignment age= universe= World of Greyhawk In the World of Greyhawk campaign setting for the Dungeons Dragons role playing game,… …   Wikipedia

• New Mexico State Road 125 — State Road 125 Route information Maintained by NMDOT Length: 25.412 mi …   Wikipedia