Index   108 -- Page 109 -- 110

12/10/15                                                                                                                            AIM



                                                                FIG 2-1-14
                                             Taxiway Lead-On Light Configuration




                                                                 TBL 2-1-1
                                                  Runways With Approach Lights

                                           No. of Int.      Status During           Intensity Step Selected Per No. of Mike Clicks
           Lighting System
                                             Steps          Nonuse Period
                                                                                     3 Clicks          5 Clicks          7 Clicks
    Approach Lights (Med. Int.)                 2                  Off                 Low              Low                High
    Approach Lights (Med. Int.)                 3                  Off                 Low              Med                High
             MIRL                               3              Off or Low               u                 u                 u
              HIRL                              5              Off or Low               u                 u                 u
              VASI                              2                  Off                  L                 L                 L
NOTES: u Predetermined intensity step.
       L Low intensity for night use. High intensity for day use as determined by photocell control.

                                                                 TBL 2-1-2
                                                Runways Without Approach Lights

                                           No. of Int.      Status During           Intensity Step Selected Per No. of Mike Clicks
           Lighting System
                                             Steps          Nonuse Period
                                                                                     3 Clicks          5 Clicks          7 Clicks
                MIRL                            3              Off or Low              Low              Med.              High
                HIRL                            5              Off or Low           Step 1 or 2         Step 3            Step 5
                LIRL                            1                  Off                  On               On                On
               VASIL                            2                  Off                  u                u                  u
               REILL                            1                  Off                  Off            On/Off               On
               REILL                            3                  Off                  Low             Med.               High
NOTES: u Low intensity for night use. High intensity for day use as determined by photocell control.
       L The control of VASI and/or REIL may be independent of other lighting systems.




Airport Lighting Aids                                                                                                           2-1-13