Interpretation

The minimum descent altitude (MDA) and visibility requirements for COPTER ILS or LOC RWY 13 have changed. MDA is now 640 feet MSL with a height above touchdown of 628 feet, requiring visibility of RVR 1800. The visual descent point is located at 2.14 DME from I-GDI, with a distance of 1.74 NM to the runway threshold due to a permanent building obstacle, situated 388 feet MSL at 2.85 NM northwest of runway 1.

Message

IAP LAGUARDIA, NEW YORK, NY. COPTER ILS OR LOC RWY 13, AMDT 1... COROR FIX MINIMUMS: H-LOC 13 MDA 640/HAT 628. VISIBILITY RVR 1800. VDP AT I-GDI 2.14DME; DISTANCE VDP TO THLD 1.74NM. PERM OBS (BLDG) 3...

Raw NOTAM

Q) KZNY/QPIXX/I/NBO/A/000/999/4046N07352W005
A) KLGA
B) 2502061841
C) 2509181840EST
E) LGA LAGUARDIA, NEW YORK, NY.
COPTER ILS OR LOC RWY 13, AMDT 1...
COROR FIX MINIMUMS: H-LOC 13 MDA 640/HAT 628. VISIBILITY RVR 1800. VDP AT I-GDI 2.14DME; DISTANCE VDP TO THLD 1.74NM. PERM OBS (BLDG) 388FT MSL 2.85NM NORTHWEST OF RWY 1 (36-000895).