Interpretation

The RNAV (GPS) approach for Runway 4R at Chicago O'Hare International Airport has been amended. The LNAV/VNAV decision altitude is 1129 feet with a height above touchdown of 468 feet for all categories. Visibility requirements for all categories have been increased due to inoperative ALS, with a minimum RVR of 5500 feet.

Message

IAP CHICAGO O'HARE INTL, CHICAGO, IL. RNAV (GPS) RWY 4R, AMDT 1D... LNAV/VNAV DA 1129/HAT 468 ALL CATS. VISIBILITY RVR 5500 ALL CATS. FOR INOPERATIVE ALS, INCREASE LNAV/VNAV ALL CATS VISIBILITY ...

Raw NOTAM

Q) KZAU/QPIXX/I/NBO/A/000/999/4158N08754W005
A) KORD
B) 2505151025
C) 2512251025EST
E) ORD CHICAGO O'HARE INTL, CHICAGO, IL.
RNAV (GPS)  RWY 4R, AMDT 1D...
LNAV/VNAV DA 1129/HAT 468 ALL CATS. VISIBILITY RVR 5500 ALL CATS.
FOR INOPERATIVE ALS, INCREASE LNAV/VNAV ALL CATS VISIBILITY TO 1 3/8 SM.
TEMPORARY CRANE 788 MSL 5934FT SW OF RWY 4R (2024-AGL-13315-OE).