RUNWAY OBSTRUCTIONS

1
RUNWAY OBSTRUCTIONS
2
Runway Obstructions

• Need to provide a clear path for aircraft
• Landing
• Take off
• According to FAR Part 77

3
Runway Areas (1/3)
1 Primary Surface
2 Horizontal Surface
3 Conical Surface
4 Approach Path
4
(No Transcript)
5
(No Transcript)
6
(No Transcript)
7
Runway Areas (2/3)

• Primary
• 200 ft longer than R/W at each end
• Width 250, 500, 1000
• Horizontal
• 150 feet above runway
• Width 5000, 10000 ft
• Conical
• 4000 feet wide beyond horizontal
• 201 slope
• All from runway centerline
• See table 7-6

8
Runway Areas (3/3)

• Approach
• Length 5000, 10000, 50000 ft
• Slope 201, 341, 501
• See table 7-6

Outer end
9
Example (1/4)

• Precision instrument runway
• 600 ft AMSL
• Runway length 10000 ft
• Center of runway (0,0,600)
• Coordinates of various points

10
Example (2/4)
X 5200 Y 500 Z 600
X 5200 Y 0 Z 600
Primary surface 200 ft from runway edge, 1000 ft
wide
11
Example (3/4)
X 5200 Y 10000 Z 750
X 5200 Y 14000 Z 950
X 55200 Y 8000 Z 1800
Horizontal surface 10000 ft wide, 150 ft above
runway
Conical surface 4000 ft wide, 201 slope
Approach surface 50000 ft long outer edge
16,000 ft
12
Example (4/4)
X 50000 Y 8000
X 0 Y 500
(Y2-Y1)/(X2-X1) (Y-Y1)/(X-X1)
(8000-500)/(50000-0) (Y-500)/(X-0)
(3/20) X -500 Y
X 15003.9 Y 1970.6 Z 796.1
X 9803.9 Y 1970.6
X2 Y 2 100002
13
(No Transcript)
14
(No Transcript)