Runway 31L at San Antonio Intl is the northbound end at KSAT, San Antonio Intl in San Antonio, Texas. The opposite end is 13R. Runway 31L has a magnetic heading of 312°. Length is 8,502 ft. Surface is concrete. Pattern direction is left traffic. This end has ILS. The localizer is 110.9 with a course of 307.61° magnetic. Field elevation at KSAT is 809.1 ft MSL. Threshold elevation for 31L is 778.5 ft MSL. Use the current FAA Chart Supplement for current NOTAM and runway condition before departure.
Wind component for Runway 31L
Based on the current METAR wind at KSAT.
- Headwind
- -0.1 kt
- Crosswind
- 3.0 kt LEFT
- Rel. angle
- 92°
- Favorability
- challenging
Pattern entry · RWY 13R
LEFT TRAFFICTraffic pattern · Runway 31L
LEFT-hand pattern on the north/west side. Tower-controlled. Follow ATC instructions for pattern entry.
- Upwind: climb runway heading 308°M
- Crosswind: turn left to 218°M
- Downwind: parallel runway, opposite direction (128°M)
- Base: perpendicular to runway
- Final: align with 308°M for Runway 31L
Instrument approaches · Runway 31L
LD CAT I RWY 31L
IZR
110.9
Course 307.61°
Frequently asked questions
What is the heading of runway 31L at KSAT?
Runway 31L at KSAT has a magnetic heading of 312°.
Is runway 31L at KSAT left or right traffic?
Runway 31L uses left traffic.
What ILS frequency does runway 31L use at KSAT?
Runway 31L has ILS localizer 110.9. The published course is 307.61° magnetic.
What is the length of runway 31L at KSAT?
Runway 31L is 8,502 ft long.
What is the surface of runway 31L at KSAT?
Runway 31L surface is concrete.
Does runway 31L have an ILS approach at KSAT?
Yes. Runway 31L has ILS. The localizer is 110.9 with a course of 307.61° magnetic.