N81 Hammonton Muni

WIND_INFERRED 90%

Runway 3 — favored by the wind (8 kt at 20° true)

Based on wind only — no traffic or ATIS to confirm. No D-ATIS feed here — a voice ATIS/AWOS may exist; check the frequency. No ADS-B traffic data available.

certainty: 90% evidence: WEAK no tower now

Wind 020° true at 8 kt · VFR · 11 min old · from KPHL (24.9 nm away)

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3 99% 3601 ft · 8 kt head, 0 kt x-right

21 <1% 3601 ft · 8 kt TAIL, 0 kt x-left

Active NOTAMs affecting runways

LIGHTING RWY 3 until 03-10 21:11Z

RWY 03 RWY END ID LGT U/S

Why — evidence behind this answer

Runway 3

WIND 8 kt headwind, 1 kt right crosswind 11 min ago +1.82

Runway 21

WIND 8 kt TAILWIND, 1 kt left crosswind 11 min ago -10.64

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	11 min	Nearest station KPHL (24.9 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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N81 field & runways

Hammonton Muni, Hammonton, New Jersey. Field elevation 65 ft. Non-towered (NON-ATCT). Magnetic variation 13.0°W on record, 11.9°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 0.027°/year east — about 1° every 37 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
21	196.1°	208.0°	matches	3,601 ft	ASPH	left
3	16.1°	28.0°	matches	3,601 ft	ASPH	left

Generated 13:04:50Z · auto-refreshes · JSON

N81 ☆ Hammonton Muni