Port St Joe, Florida
A51 Costin
Costin (A51) is a non-towered, public-use airport in Port St Joe, Florida, at 13 ft MSL. Its runway is 18/36 (4,230 by 65 ft, turf). CTAF 122.9.
FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.
Airport
At a glance
- Identifiers
- FAA A51
- Location
- Port St Joe, Florida (Gulf County). 2 NM S of the city center
- Elevation
- 13 ft MSL
- Position
- 29.7585° N, 85.2891° W
- Control tower
- No, non-towered
- Sectional chart
- New Orleans
- Magnetic variation
- 0° W (1985)
- Ownership
- Privately owned, open to the public
- Attendance
- Unattended
1 runway
Runways
| Runway | Length × width | Surface | Edge lights |
|---|---|---|---|
| 18/36 | 4,230 × 65 ft | Turf, fair condition | Not listed |
Runway ends and traffic pattern
| End | Pattern | Glide slope lights | Instrument | Displaced threshold | Landing distance |
|---|---|---|---|---|---|
| 18 | Not stated | None listed | None listed | 660 ft | Not listed |
| 36 | Not stated | None listed | None listed | 1,000 ft | Not listed |
VHF
Frequencies
- CTAF
- 122.9
Before you go
Brief A51 in Ascent EFB.
Current weather, NOTAMs and the airport diagram for Costin, in the app on iPhone and iPad.
Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.
Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.