TJSJ Luis Munoz Marin Intl

CONFIRMED 99%

Runway 10 — assigned by ATIS (information U)

No ADS-B traffic data available.

certainty: 99% evidence: STRONG no tower now Class C

Wind 150° true at 3 kt · VFR · 44 min old

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10 98% 8016 ft · 2 kt head, 3 kt x-right · right traffic

8 1% 10400 ft · 0 kt head, 3 kt x-right · right traffic

26 <1% 10400 ft · 0 kt TAIL, 3 kt x-left

28 <1% 8016 ft · 2 kt TAIL, 3 kt x-left

Active NOTAMs affecting runways

APCH OTS RWY 8 until 03-07 21:11Z

NAV ILS RWY 08 OM U/S

Why — evidence behind this answer

Runway 10

ATIS ATIS (info U) names 10 for arrivals 38 min ago +3.80
WIND 2 kt headwind, 3 kt right crosswind 44 min ago +0.04
PRIOR runway length 8016 ft -0.03

Runway 8

ATIS 8 not named for arrivals on current ATIS 38 min ago -1.90
ATIS ATIS names 8 for departures only 38 min ago +1.43
PRIOR runway length 10400 ft +0.03
WIND 0 kt headwind, 3 kt right crosswind 44 min ago -0.00

Runway 26

ATIS 26 not named for arrivals on current ATIS 38 min ago -1.90
WIND 0 kt headwind, 3 kt left crosswind 44 min ago -0.03
PRIOR runway length 10400 ft +0.03

Runway 28

ATIS 28 not named for arrivals on current ATIS 38 min ago -1.90
WIND 2 kt TAILWIND, 3 kt left crosswind 44 min ago -0.12
PRIOR runway length 8016 ft -0.03

Sources consulted

source	status	age	note
D_ATIS	OK	38 min
METAR	OK	44 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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TJSJ field & runways

Luis Munoz Marin Intl, San Juan, Puerto Rico. Field elevation 10 ft. Class C airspace. Non-towered (ATCT-A/C). Magnetic variation 11.0°W on record, 13.8°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 0.072°/year west — about 1° every 14 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
10	90.1°	103.9°	matches rule gives runway 11 in ~15 yr	8,016 ft	CONC	right	ILS
26	246.9°	260.6°	matches	10,400 ft	ASPH	left
28	270.1°	283.9°	matches rule gives runway 29 in ~15 yr	8,016 ft	CONC	left
8	66.9°	80.6°	matches	10,400 ft	ASPH	right	ILS

Generated 08:39:35Z · auto-refreshes · JSON

TJSJ ☆ Luis Munoz Marin Intl