PASM St Mary'S

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. Weather observation is 3104 minutes old — treat with caution.

certainty: — evidence: NONE no tower now Class E

Wind 010° true at 9 kt · VFR · 3104 min old

▶ Listen live — ATIS/CTAF on LiveATC opens LiveATC’s own player · verify the broadcast yourself

35 28% 6000 ft · 9 kt head, 1 kt x-right

17 28% 6000 ft · 9 kt TAIL, 1 kt x-left

7 22% 1520 ft · 4 kt head, 8 kt x-left

25 22% 1520 ft · 4 kt TAIL, 8 kt x-right

Why — evidence behind this answer

Runway 35

PRIOR runway length 6000 ft +0.14
WIND 9 kt headwind, 1 kt right crosswind 3104 min ago +0.00

Runway 17

PRIOR runway length 6000 ft +0.14
WIND 9 kt TAILWIND, 1 kt left crosswind 3104 min ago -0.00

Runway 7

PRIOR runway length 1520 ft -0.14
WIND 3 kt headwind, 8 kt left crosswind 3104 min ago +0.00

Runway 25

PRIOR runway length 1520 ft -0.14
WIND 3 kt TAILWIND, 8 kt right crosswind 3104 min ago -0.00

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	3104 min
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)

Was this right?

PASM field & runways

St Mary'S, St Mary'S, Alaska. Field elevation 315 ft. Class E airspace. Non-towered (NON-ATCT). Magnetic variation 7.0°E on record, 8.3°E 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 0.296°/year west — about 1° every 3 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
17	182.4°	174.1°	matches rule gives runway 18 in ~3 yr	6,000 ft	GRAVEL	left	ILS
25	257.4°	249.0°	matches	1,520 ft	GRAVEL	left
35	2.4°	354.1°	matches rule gives runway 36 in ~3 yr	6,000 ft	GRAVEL	left
7	77.3°	69.0°	matches	1,520 ft	GRAVEL	left

Generated 08:39:36Z · auto-refreshes · JSON

PASM ☆ St Mary'S