KJEF Jefferson City Meml

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 Class D

Wind calm · VFR · 49 min old

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12 26% 6000 ft

30 26% 6000 ft

27 24% 3401 ft

9 24% 3401 ft

Active NOTAMs affecting runways

LIGHTING RWY 27 until 01-31 23:59Z

RWY 27 PAPI U/S

APCH OTS RWY 30 until 08-30 21:11Z

NAV ILS RWY 30 OM U/S

LIGHTING RWY 9 until 01-31 23:59Z

RWY 09 PAPI U/S

Why — evidence behind this answer

Runway 12

PRIOR runway length 6000 ft +0.06

Runway 30

PRIOR runway length 6000 ft +0.06

Runway 27

PRIOR runway length 3401 ft -0.06

Runway 9

PRIOR runway length 3401 ft -0.06

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	49 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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KJEF field & runways

Jefferson City Meml, Jefferson City, Missouri. Field elevation 549 ft. Class D airspace. Towered. Magnetic variation 1.0°W on record, 0.6°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 0.061°/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	122.6°	123.3°	matches rule gives runway 13 in ~29 yr	6,000 ft	CONC	left
27	271.1°	271.7°	matches rule gives runway 28 in ~54 yr	3,401 ft	CONC	left
30	302.6°	303.3°	matches rule gives runway 31 in ~29 yr	6,000 ft	CONC	left	ILS
9	91.1°	91.7°	matches rule gives runway 10 in ~54 yr	3,401 ft	CONC	left

Generated 08:42:22Z · auto-refreshes · JSON

KJEF ☆ Jefferson City Meml