KNMM Meridian NAS (Mc Cain Fld)

UNKNOWN

Unknown — not enough evidence to call a runway

We don't know, and saying so beats guessing. No D-ATIS feed here — a voice ATIS/AWOS may exist; check the frequency. No ADS-B traffic data available. Wind calm — no directional preference.

certainty: — evidence: NONE no tower now Class D

Wind calm · · 70 min old · from KMPE (32.3 nm away)

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19L 17% 8000 ft

19R 17% 8003 ft

1L 17% 8003 ft

1R 17% 8000 ft

10 16% 6402 ft

28 16% 6402 ft

Why — evidence behind this answer

Runway 10

PRIOR runway length 6402 ft -0.03

Runway 28

PRIOR runway length 6402 ft -0.03

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	70 min	Nearest station KMPE (32.3 nm away)
ADSB	UNAVAILABLE		No ADS-B track history here yet
NOTAM	OK
CIFP	NOT_CONFIGURED		Instrument procedures: phase 4

Recent operations

No operations observed in the last hour. (No ADS-B track history here yet)

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KNMM field & runways

Meridian NAS (Mc Cain Fld), Meridian, Mississippi. Field elevation 316 ft. Class D airspace. Non-towered (ATCT-RATCF). Private use. Magnetic variation 2.0°W on record, 2.8°W today.

The FAA's variation of record is the number this field was surveyed against; the second is where north points now, from WMM2025. It is moving 0.072°/year west — about 1° every 14 years — which is why runway numbers eventually stop matching their pavement.

Runway data from the FAA NASR 01 Oct 2026 cycle. Where NASR locates both thresholds, the true heading is the bearing between them rather than NASR's whole-degree alignment. Magnetic is that heading against *today's* declination from WMM2025, not the field's variation of record — so it can differ from the chart by the gap between the two shown above. The number painted on the runway is the one ATC uses.
Runway	True	Magnetic	Number	Length	Surface	Notes
10	99.0°	101.8°	matches rule gives runway 11 in ~44 yr	6,402 ft	CONC
19L	189.0°	191.7°	matches rule gives runway 20 in ~45 yr	8,000 ft	CONC	ILS
19R	189.0°	191.7°	matches rule gives runway 20 in ~46 yr	8,003 ft	CONC
1L	9.0°	11.7°	matches rule gives runway 2 in ~46 yr	8,003 ft	CONC
1R	9.0°	11.7°	matches rule gives runway 2 in ~45 yr	8,000 ft	CONC
28	279.1°	281.8°	matches rule gives runway 29 in ~44 yr	6,402 ft	CONC

Generated 09:44:35Z · auto-refreshes · JSON

KNMM ☆ Meridian NAS (Mc Cain Fld)