| 10 - Primary Surface |
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| 20 - Transitional Surface |
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| 30 - Horizontal Surface |
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| 40 - Concial Surface |
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| 50 - Runway Protection Zone |
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| 60 - Visual Approach Surface |
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| 70 - Extended Visual Approach Surface |
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| 80 - Nonprecision Instrument Approach Surface |
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| 90 - Extended Noninstrument Approach Surface |
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| 100 - Precision Instrument Approach Surface |
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| 110 - Outer Approach Surface |
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| 120 - Outer Approach Transitional Surface |