RNAV (RNP) Z Runway 27 visibility requirements increase when the ALS is inoperative.

6/8170

EST

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NavApproach Procedures

RNAV (RNP) Z Runway 27 visibility requirements increase when the ALS is inoperative.

2026-08-26 12:06 - 2026-12-31 12:06

Duration:LONG5 months EST

Period of Applicability

2026-08-26 12:06 - 2026-12-31 12:06

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Interpretation

Helena Regional RNAV (RNP) Z Runway 27, Amendment 2: change the note to state that when the approach lighting system (ALS) is inoperative, increase RNP 0.13 DA visibility for all categories to 7/8 statute mile and RNP 0.30 DA visibility for all categories to 1 3/8 statute miles.

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Raw NOTAM

A2893/26 NOTAMN Q) KZLC/QPICH/I/NBO/A/000/999/4636N11158W005 A) KHLN B) 2608261206 C) 2612311206 E) IAP HELENA RGNL, HELENA, MT. RNAV (RNP) Z RWY 27, AMDT 2... CHANGE NOTE TO READ: FOR INOPERATIVE ALS, INCREASE RNP 0.13 DA* VISIBILITY ALL CATS TO 7/8 SM, RNP 0.30 DA# VISIBILITY ALL CATS TO 1 3/8 SM.

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