California Code of Regulations
Title 21 - Public Works
Division 2.5 - Division of Aeronautics (Department of Transportation)
Chapter 2.1 - School Site Evaluation Criteria
Appendix - Appendix
Universal Citation: 21 CA Code of Regs
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
Figure 1 Runway Protection Zone
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Table 1. Runway Protection Zone (RPZ) Dimensions for Civilian Runways |
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Dimensions |
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| Approach Visibility Minimums1 | Facilities Expected To Serve2 | Length L Feet | Inner Width W1 Feet | Outer Width W2 Feet |
| Small Airplane3 Exclusively | 1,000 | 250 | 450 | |
| Visual and Not Lower Than 1 Mile | Aircraft Approach Categories A & B | 1,000 | 500 | 700 |
| Aircraft Approach Categories C & D | 1,700 | 500 | 1,010 | |
| Not Lower Than 3/4 Mile | All Aircraft | 1,700 | 1,000 | 1,510 |
| Lower Than 3/4 Mile | All Aircraft | 2,500 | 1,000 | 1,750 |
| 1 The RPZ dimensions are for the runway end with the specified approach visibility minimums. | ||||
| 2 Aircraft approach category" means a grouping of aircraft based on 1.3 times their stall speed in their landing configuration at their maximum certificated landing weight. The categories are as follows: | ||||
| Category A: speed less than 91 knots | ||||
| Category B: speed 91 knots or more but less than 121 knots | ||||
| Category C: speed 121 knots or more but less than 141 knots | ||||
| Category D: speed 141 knots or more but less than 166 knots | ||||
| Category E: speed 166 knots or more | ||||
| 3 Small airplane" means an airplane of 12,500 pounds or less maximum certificated takeoff weight | ||||
Figure 2
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