MALSRMedium-Intensity Approach Lighting System with Runway Alignment Indicator
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The same goes for MALSRs, REILs, and other lighting arrays that are located on or beyond the runway threshold.
DISTANCES ON THREE-DEGREE GLIDESLOPE DISTANCE TO: ALTITUDE MALSR, SSALR, AGL ALSF MALS, SSALS THRESHOLD TOUCHDOWN 100 -1490 -490 910 1910 200 420 1420 2820 3820 250 1376 2376 3776 4776 300 2332 3332 4732 5732 350 3287 4287 5687 6687 400 4242 5242 6642 7642 450 5197 6197 7597 8597 500 6153 1753 8553 9553 550 7108 8108 9508 10,508
If your approach is an ILS or LPV with minimum visibility less than 3/4-mile, then it must have an ALSF-2 or -1, a SSALR or MALSR.
Jeppesen lumps the MALSR into the category "ALS out" in the minimums section.
The changes in the required visibility for an inoperative MALSR that are shown on this approach chart supersede the inoperative components table found in the NACO terminal procedures book.
In the minimums section (or the briefing bar on NACO plates) you'll find that LOC Z requires the CH1TT FIX minimums to be increased for an inoperative MALSR.
Runway Alignment Indicator Lights are an integral part of the advertised MALSR.
Although that's part of the rule, you must see other things to continue as a MALSR has neither.
The light setup is identical to SSALR but, because of the reduced intensities, this is called MALSR or "medium intensity approach light system with RAIL.
For example, to continue on a MALSR, you'd better see the threshold or one of the other items in the FAR 91.