Sec. 29.1391 - Minimum intensities in the horizontal plane of forward and rear position lights.

Each position light intensity must equal or exceed the applicable values in the following table:

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                                        Angle from right or
                                       left of longitudinal    Intensity
   Dihedral angle (light included)      axis, measured from    (candles)
                                            dead ahead
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L and R (forward red and green).....  0 to 10...          40
                                      10 to 20..          30
                                      20 to 110.           5
A (rear white)......................  110 to 180          20
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