Safety Areas 139.309 Flashcards

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1
Q

Runway Safety Area

A

defined surface surrounding the runway prepared or suitable for reducing the risk of damage to airplanes in the event of an undershoot, overshoot, or excursion form the runway. Can also support snow removal and ARF under normal conditions. Centered on the runway centerline and varies 120-500 ft wide and 240-1000 long

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2
Q

Taxiway Safety Area

A

defined surface alongside the taxiway prepared or suitable for reducing the risk of damage to an airplane unintentionally departing the taxiway

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3
Q

What should EMAS ability be

A

to stop the aircraft at the end of the runway at 70kts and up to 1500,00lbs in less than 300ft without major damage to the aircraft

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4
Q

Obstacle Free Zone (OFZ)

A

the airspace below 150ft above the established airport elevation and along the runway and extended runway centerline that is required to be clear of all objects, except for frangible visual NAVAIDS that need to be in the OFZ because of their function

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5
Q

Runway OFZ (ROFZ)

A

the airspace above a surface centered on the runway centerline, it extends 200ft beyond each end of the runway

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6
Q

Inner-Transitional OFZ

A

the airspace above a surface centered on the extended runway centerline. It applies to runways with an approach lighting system. it begins 200 ft of the runaway threshold at the same elevation as the runway threshold and extends 200ft beyond the last light in the ALS. its width is the same as the ROFZ

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7
Q

Precision OFZ

A

the volume of airspace above an area beginning at the runway threshold, at the threshold elevation, and centered on the extended runway centerline, 200ft long by 800 ft wide. It applies when there is a vertical guide approach, reported ceiling is below 250ft vis is less than 3/4SM (RVR less than 4,000), and an aircraft is on final within two miles of the threshold. When it is in effect, a wing of an aircraft holding may penetrate the POFZ, but not the fuselage or the tail

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8
Q

Runway Object Free Area (ROFA)

A

centered on the runway provided to enhance the safety of aircraft operations by having the area free of objects, except for needed

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9
Q

Runway Protection Zone (RPZ)

A

trapezoidal in shape and centered about the extended runway centerline, designated to enhance the protection of people and property on the ground. When the RPZ begins at a location other than 200ft beyond the end of a runway, two RPZs are required, a departure and approach

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10
Q

Clearway

A

A defined rectangular area beyond the end of a runway cleared or suitable for use in lieu of runway to satisfy takeoff distance requirements. Established for runways having instrument departures and considered the climb-out requirements of turbine-powered aircraft. it increases the allowable aircraft operating takeoff weight without increasing runway length

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11
Q

Stop way

A

A defined rectangular area beyond the end of a runway, centered on the extended runway centerline and at least as wide as the runway, prepared or suitable for use in lieu of the runway to support an airplane, with out causing structural damage to the airplane, during an aborted takeoff. is designated by the airport operator for use in decelerating an aircraft during an aborted takeoff

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12
Q

Taxiway Object Free Area

A

centered on centerline, clearing standards prohibit service vehicle roads, parked airplanes, and above ground obstacles for air navigation or ground maneuvering purposes

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13
Q

Takeoff run available (TORA)

A

runway length declared available and suitable for the ground run of an airplane taking off

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14
Q

Takeoff Distance Available (TODA)

A

the TORA plush the length of any remaining runway or clearway beyond the far end of the TORA. Performance dependent for obstacle clearance

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15
Q

Accelerate Stop Distance Available (ASDA)

A

runway plus stop way length declared available and suitable for the acceleration and deceleration of an airplane aborting a takeoff

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