KMTN Martin State

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. ADS-B tracking just started here — traffic history is still building. Wind calm — no directional preference.

certainty: — evidence: NONE Class D

Wind calm · VFR · 7 min old

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15 50% 6999 ft

33 50% 6999 ft

Active NOTAMs affecting runways

LIGHTING RWY 33 until 10-30 23:59Z

RWY 33 PULSATING VASI U/S

Why — evidence behind this answer

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	7 min
ADSB	WARMING_UP	1033 min	Only 0 min of track history so far
NOTAM	OK
CIFP	NOT_CONFIGURED		Instrument procedures: phase 4

Recent operations

No operations observed in the last hour. (Only 0 min of track history so far)

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KMTN field & runways

Martin State, Baltimore, Maryland. Field elevation 22 ft. Class D airspace. Towered. Magnetic variation 11.0°W on record, 11.1°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 0.014°/year east — about 1° every 71 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	Pattern	Notes
15	135.3°	146.4°	matches	6,999 ft	ASPH	left	ILS
33	315.3°	326.4°	matches	6,999 ft	ASPH	left	ILS

Generated 08:42:10Z · auto-refreshes · JSON

KMTN ☆ Martin State