KHON Huron Rgnl

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 2308 minutes old — treat with caution. Wind calm — no directional preference.

certainty: — evidence: NONE no tower now Class E

Wind calm · VFR · 2308 min old

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12 26% 7201 ft

30 26% 7201 ft

18 24% 5000 ft

36 24% 5000 ft

Active NOTAMs affecting runways

APCH OTS RWY 12 until 10-30 20:00Z

NAV ILS RWY 12 OM U/S

Why — evidence behind this answer

Runway 12

PRIOR runway length 7201 ft +0.04

Runway 30

PRIOR runway length 7201 ft +0.04

Runway 18

PRIOR runway length 5000 ft -0.04

Runway 36

PRIOR runway length 5000 ft -0.04

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	2308 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)

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KHON field & runways

Huron Rgnl, Huron, South Dakota. Field elevation 1289 ft. Class E airspace. Non-towered (NON-ATCT). Magnetic variation 7.0°E on record, 3.6°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 0.063°/year west — about 1° every 16 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
12	128.2°	124.6°	matches rule gives runway 13 in ~7 yr	7,201 ft	CONC	left	ILS
18	179.7°	176.1°	matches	5,000 ft	CONC	left
30	308.2°	304.6°	matches rule gives runway 31 in ~7 yr	7,201 ft	CONC	left
36	359.7°	356.1°	matches	5,000 ft	CONC	left

Generated 10:23:24Z · auto-refreshes · JSON

KHON ☆ Huron Rgnl