Interpretation

A temporary crane at 864 feet MSL, located 1.70 NM west of RWY 9L, impacts the Instrument Approach Procedure. For pilots using LNAV Category C/D, the visibility requirement increases to 1 3/8 SM. The crane's status must be confirmed with ATCT before executing approaches.

Message

IAP CHICAGO O'HARE INTL, CHICAGO, IL. RNAV (GPS) RWY 9L, AMDT 4... LNAV MDA 1180/HAT 512 ALL CATS. VIS CAT C/D RVR 5000. VDP 1.33 NM TO RW09L. FOR INOP ALS, INCREASE LNAV CAT C/D VISIBILITY TO 1...

Raw NOTAM

Q) KZAU/QPIXX/I/NBO/A/000/999/4158N08754W005
A) KORD
B) 2502242115
C) 2510062115EST
E) ORD CHICAGO O'HARE INTL, CHICAGO, IL.
RNAV (GPS) RWY 9L, AMDT 4...
LNAV MDA 1180/HAT 512 ALL CATS. VIS CAT C/D RVR 5000.
VDP 1.33 NM TO RW09L. 
FOR INOP ALS, INCREASE LNAV CAT C/D VISIBILITY TO 1 3/8 SM.
EXCEPT WHEN ADVISED BY ATCT THAT THIS CRANE IS DOWN.
TEMPORARY CRANE, 864 MSL, 1.70 NM WEST OF RWY 9L (2024-AGL-11297-OE).