Cal. Code Regs. tit. 21, Div. 2.5 Table 1
Runway Protection Zone (Rpz) Dimensions for Civilian Runways
State of California
| Dimensions | ||
| Approach Visibility Minimums1 | Facilities Expected To Serve2 | Length L Feet | Inner Width W1 Feet | Outer Width W2 Feet |
| Small Airplane3 | 1,000 | 250 | 450 | |
| Exclusively | ||||
| Visual | ||||
| and | Aircraft Approach | 1,000 | 500 | 700 |
| Not Lower | Categories A & B | |||
| Than 1 Mile | ||||
| Aircraft Approach | ||||
| Categories C & D | 1,700 | 500 | 1,010 | |
| Not Lower | All Aircraft | 1,700 | 1,000 | 1,510 |
| Than ¾ Mile | ||||
| Lower Than ¾ 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. |