KBRO Brownsville/South Padre Island Intl

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 · 50 min old

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13 26% 7399 ft

31 26% 7399 ft

18 24% 6000 ft

36 24% 6000 ft

Active NOTAMs affecting runways

APCH OTS RWY 13 until 10-31 20:30Z

NAV ILS RWY 13 GP U/S

LIGHTING RWY 18/36 until 10-30 21:00Z

TWY D HLDG PSN SIGN EAST SIDE FOR RWY 18/36 LGT U/S

LIGHTING RWY 18/36 until 10-30 21:00Z

TWY D HLDG PSN SIGN WEST SIDE FOR RWY 18/36 LGT U/S

APCH OTS RWY 31 until 10-21 17:19Z

IAP BROWNSVILLE/SOUTH PADRE ISLAND INTL, BROWNSVILLE, TX. LOC BC RWY 31, ORIG... VOR OR TACAN-A, AMDT 1D... ALTERNATE MINIMUMS NA EXCEPT FOR ACFT EQUIPPED WITH SUITABLE RNAV SYSTEM WITH GPS, BRO VORTAC UNMONITORED.

Why — evidence behind this answer

Runway 13

PRIOR runway length 7399 ft +0.02

Runway 31

PRIOR runway length 7399 ft +0.02

Runway 18

PRIOR runway length 6000 ft -0.02

Runway 36

PRIOR runway length 6000 ft -0.02

Sources consulted

source	status	age	note
D_ATIS	UNAVAILABLE		No D-ATIS at this field
METAR	OK	50 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?

KBRO field & runways

Brownsville/South Padre Island Intl, Brownsville, Texas. Field elevation 22 ft. Class D airspace. Towered. Magnetic variation 3.0°E on record, 2.9°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 0.08°/year west — about 1° every 12 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
13	135.6°	132.6°	matches rule gives runway 14 in ~29 yr	7,399 ft	ASPH	left	ILS
18	182.1°	179.2°	matches	6,000 ft	ASPH	left
31	315.6°	312.6°	matches rule gives runway 32 in ~29 yr	7,399 ft	ASPH	left
36	2.1°	359.2°	matches	6,000 ft	ASPH	left

Generated 08:42:34Z · auto-refreshes · JSON

KBRO ☆ Brownsville/South Padre Island Intl