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- Brownout_(aeronautics) abstract "In aviation, a brownout (or brown-out) is an in-flight visibility restriction due to dust or sand in the air.In a brownout, the pilot cannot see nearby objects which provide the outside visual references necessary to control the aircraft near the ground. This can cause spatial disorientation and loss of situational awareness leading to an accident. Pilots have compared landing during brownouts to parallel parking an automobile with one's eyes closed.The brownout phenomenon causes accidents during helicopter landing and take-off operations in arid desert terrain. Intense, blinding dust clouds stirred up by the helicopter rotor downwash during near-ground flight causes significant flight safety risks from aircraft and ground obstacle collisions, and dynamic rollover due to sloped and uneven terrain. Brownouts have claimed more helicopters in recent military operations than all other threats combined.There are several factors which affect the probability and severity of brownout:rotor disk loadingrotor configurationsoil compositionwindapproach speed and angleCountermeasures to prevent brownout-related accidents include:Site preparationPilot techniqueSynthetic vision systems also known as \"see and remember\"Upgraded horizontal situation indicator with improved symbologyAerodynamics such as the \"winged rotor\" on the AgustaWestland EH101Non-visual displays of position and orientation data derived from suitable sensors, such as Tactile Situational Awareness Systems (TSAS) providing information to the pilot through the sense of touch using tactors.↑ ↑ ↑ ↑ ↑ ↑ 6.0 6.1 ↑ ↑ ↑".
- Brownout_(aeronautics) thumbnail USAF_HC-130_Hercules_aircraft_gets_a_brownout_from_the_rotor_wash_of_an_HH-60_Pave_Hawk_helicopter.jpg?width=300.
- Brownout_(aeronautics) wikiPageExternalLink the-kopp-etchells-effect.htm.
- Brownout_(aeronautics) wikiPageExternalLink Battling-Brownouts.
- Brownout_(aeronautics) wikiPageID "11917956".
- Brownout_(aeronautics) wikiPageLength "23557".
- Brownout_(aeronautics) wikiPageOutDegree "75".
- Brownout_(aeronautics) wikiPageRevisionID "706794106".
- Brownout_(aeronautics) wikiPageWikiLink Aerodynamics.
- Brownout_(aeronautics) wikiPageWikiLink AgustaWestland_AW101.
- Brownout_(aeronautics) wikiPageWikiLink Aircraft_maintenance_technician.
- Brownout_(aeronautics) wikiPageWikiLink Ali_Al_Salem_Air_Base.
- Brownout_(aeronautics) wikiPageWikiLink Bell_407.
- Brownout_(aeronautics) wikiPageWikiLink Bell_Boeing_V-22_Osprey.
- Brownout_(aeronautics) wikiPageWikiLink Bell_UH-1_Iroquois.
- Brownout_(aeronautics) wikiPageWikiLink Boeing_AH-64_Apache.
- Brownout_(aeronautics) wikiPageWikiLink Boeing_CH-47_Chinook.
- Brownout_(aeronautics) wikiPageWikiLink Boeing_Vertol_CH-46_Sea_Knight.
- Brownout_(aeronautics) wikiPageWikiLink California.
- Brownout_(aeronautics) wikiPageWikiLink Camp_Thunder_Road.
- Brownout_(aeronautics) wikiPageWikiLink Car.
- Brownout_(aeronautics) wikiPageWikiLink Category:Accidents_and_incidents_involving_helicopters.
- Brownout_(aeronautics) wikiPageWikiLink Category:Aviation_risks.
- Brownout_(aeronautics) wikiPageWikiLink Category:Helicopter_aerodynamics.
- Brownout_(aeronautics) wikiPageWikiLink Chico,_California.
- Brownout_(aeronautics) wikiPageWikiLink Cibecue,_Arizona.
- Brownout_(aeronautics) wikiPageWikiLink Dalbandin.
- Brownout_(aeronautics) wikiPageWikiLink Disk_loading.
- Brownout_(aeronautics) wikiPageWikiLink Donnelly,_Idaho.
- Brownout_(aeronautics) wikiPageWikiLink Downwash.
- Brownout_(aeronautics) wikiPageWikiLink Dynamic_rollover.
- Brownout_(aeronautics) wikiPageWikiLink Enloe_Medical_Center.
- Brownout_(aeronautics) wikiPageWikiLink Eurocopter_AS350_Écureuil.
- Brownout_(aeronautics) wikiPageWikiLink Eurocopter_AS355.
- Brownout_(aeronautics) wikiPageWikiLink Flight_instruments.
- Brownout_(aeronautics) wikiPageWikiLink Flight_nurse.
- Brownout_(aeronautics) wikiPageWikiLink Fort_Irwin_National_Training_Center.
- Brownout_(aeronautics) wikiPageWikiLink Forward_operating_base.
- Brownout_(aeronautics) wikiPageWikiLink Gulf_War.
- Brownout_(aeronautics) wikiPageWikiLink Helicopter.
- Brownout_(aeronautics) wikiPageWikiLink Helicopter_rotor.
- Brownout_(aeronautics) wikiPageWikiLink Horizontal_situation_indicator.
- Brownout_(aeronautics) wikiPageWikiLink Hughes_OH-6_Cayuse.
- Brownout_(aeronautics) wikiPageWikiLink Kuwait.
- Brownout_(aeronautics) wikiPageWikiLink Medical_evacuation.
- Brownout_(aeronautics) wikiPageWikiLink Operation_Enduring_Freedom.
- Brownout_(aeronautics) wikiPageWikiLink Parallel_parking.
- Brownout_(aeronautics) wikiPageWikiLink Project_On_Government_Oversight.
- Brownout_(aeronautics) wikiPageWikiLink Proprotor.
- Brownout_(aeronautics) wikiPageWikiLink Pyote,_Texas.
- Brownout_(aeronautics) wikiPageWikiLink Safety_of_emergency_medical_services_flights.
- Brownout_(aeronautics) wikiPageWikiLink Search_and_rescue.
- Brownout_(aeronautics) wikiPageWikiLink Sensory_illusions_in_aviation.
- Brownout_(aeronautics) wikiPageWikiLink Sikorsky_HH-60_Pave_Hawk.
- Brownout_(aeronautics) wikiPageWikiLink Sikorsky_MH-53.
- Brownout_(aeronautics) wikiPageWikiLink Sikorsky_SH-60_Seahawk.
- Brownout_(aeronautics) wikiPageWikiLink Sikorsky_UH-60_Black_Hawk.
- Brownout_(aeronautics) wikiPageWikiLink Situation_awareness.
- Brownout_(aeronautics) wikiPageWikiLink Spatial_disorientation.
- Brownout_(aeronautics) wikiPageWikiLink Spin_Boldak.
- Brownout_(aeronautics) wikiPageWikiLink Synthetic_vision_system.
- Brownout_(aeronautics) wikiPageWikiLink Tiltrotor.
- Brownout_(aeronautics) wikiPageWikiLink Vinton,_California.
- Brownout_(aeronautics) wikiPageWikiLink Walk-around.
- Brownout_(aeronautics) wikiPageWikiLink File:Helicopter_brownout.JPG.
- Brownout_(aeronautics) wikiPageWikiLink File:Is_there_an_Osprey_in_there.JPG.
- Brownout_(aeronautics) wikiPageWikiLink File:N502MT_Wreckage.jpg.
- Brownout_(aeronautics) wikiPageWikiLink File:Royal_Navy_Sea_King_Helicopter_Landing_in_the_Desert_MOD_45156001.jpg.
- Brownout_(aeronautics) wikiPageWikiLink File:USAF_HC-130_Hercules_aircraft_gets_a_brownout_from_the_rotor_wash_of_an_HH-60_Pave_Hawk_helicopter.jpg.
- Brownout_(aeronautics) wikiPageWikiLink File:US_Army_AH64_dust_14797_41493935.jpg.
- Brownout_(aeronautics) wikiPageWikiLinkText "Brownout (aeronautics)".
- Brownout_(aeronautics) wikiPageWikiLinkText "brownout conditions".
- Brownout_(aeronautics) wikiPageUsesTemplate Template:As_of.
- Brownout_(aeronautics) wikiPageUsesTemplate Template:Further.
- Brownout_(aeronautics) wikiPageUsesTemplate Template:Other_uses2.
- Brownout_(aeronautics) wikiPageUsesTemplate Template:Reflist.
- Brownout_(aeronautics) subject Category:Accidents_and_incidents_involving_helicopters.
- Brownout_(aeronautics) subject Category:Aviation_risks.
- Brownout_(aeronautics) subject Category:Helicopter_aerodynamics.
- Brownout_(aeronautics) hypernym Restriction.
- Brownout_(aeronautics) type Disease.
- Brownout_(aeronautics) type Accident.
- Brownout_(aeronautics) type Risk.
- Brownout_(aeronautics) comment "In aviation, a brownout (or brown-out) is an in-flight visibility restriction due to dust or sand in the air.In a brownout, the pilot cannot see nearby objects which provide the outside visual references necessary to control the aircraft near the ground. This can cause spatial disorientation and loss of situational awareness leading to an accident.".
- Brownout_(aeronautics) label "Brownout (aeronautics)".
- Brownout_(aeronautics) sameAs Q991206.
- Brownout_(aeronautics) sameAs Brownout_(Luftfahrt).
- Brownout_(aeronautics) sameAs m.02rx_27.
- Brownout_(aeronautics) sameAs Brownout.
- Brownout_(aeronautics) sameAs Q991206.
- Brownout_(aeronautics) wasDerivedFrom Brownout_(aeronautics)?oldid=706794106.
- Brownout_(aeronautics) depiction USAF_HC-130_Hercules_aircraft_gets_a_brownout_from_the_rotor_wash_of_an_HH-60_Pave_Hawk_helicopter.jpg.
- Brownout_(aeronautics) isPrimaryTopicOf Brownout_(aeronautics).