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RNAV (GPS) Runway 4R Amendment 1D profile notes and LNAV/VNAV minima are changed.

2026-08-25 13:41 - 2028-08-25 13:41
Duration:VERY LONG25 months EST

Period of Applicability

2026-08-25 13:41 - 2028-08-25 13:41

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Interpretation

Chicago O'Hare International RNAV (GPS) Runway 4R Amendment 1D is changed: the VGSI and RNAV glidepath are not coincident, with a VGSI angle of 3.00 degrees and threshold crossing height of 67 feet; LNAV/VNAV decision altitude is 995 feet with HAT 334 feet for all categories; uncompensated Baro-VNAV is not authorized below -19°C or above 54°C.

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Raw NOTAM

A8141/26 NOTAMN Q) KZAU/QPICH/I/NBO/A/000/999/4158N08754W005 A) KORD B) 2608251341 C) 2808251341 E) IAP CHICAGO O'HARE INTL, CHICAGO, IL. RNAV (GPS) RWY 4R, AMDT 1D... PROFILE NOTE: VGSI AND RNAV GLIDEPATH NOT COINCIDENT (VGSI ANGLE 3.00/TCH 67). LNAV/VNAV DA 995/HAT 334 ALL CATS. CHANGE NOTE TO READ: FOR UNCOMPENSATED BARO-VNAV, LNAV/VNAV NA BELOW -19C OR ABOVE 54C.
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