Interpretation

A temporary crane is located 788 feet MSL and 5934 feet southwest of RWY 4R, affecting the RNAV (GPS) Instrument Approach Procedure. Aircraft using LNAV/VNAV must adhere to increased visibility criteria due to inoperative ALS.

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) 2503021639
C) 2505221635EST
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).