FAA facility Airport
CASTLE
ATWATER, CALIFORNIA FAA MER ICAO KMER Open to the public
Runways
1 record · drawn to relative scale
13/31
13
31
Runway-end details
| End | True hdg | ILS | Glide slope aid | Approach lights | Displaced thr | Declared distances |
|---|---|---|---|---|---|---|
| 13 | 141° | — | PAPI · 4-light · left side | ALSF1 High-intensity ALS with sequenced flashers (CAT I) | — | — |
| 31 RP | 321° | LOC/GS | PAPI · 4-light · left side | ALSF1 High-intensity ALS with sequenced flashers (CAT I) | — | — |
Communications
8 published frequencies| Use | Frequency | Hours |
|---|---|---|
| CTAF | 118.175 | — |
| LCL/P | 118.175 | 0700-2100 |
| APCH/P DEP/P | 120.95 | — |
| UNICOM | 122.95 | — |
| ATIS | 124.475 | 0700-2100 |
| GND/P | 133.575 | 0700-2100 |
| LCL/P | 235.775 | 0700-2100 |
| APCH/P DEP/P | 269.45 | — |
Instrument landing systems
NASR ILS_BASE records| Runway end | System | Category | Frequency | Status |
|---|---|---|---|---|
| 31 | LOC/GS | I | 109.5 | Operational restricted |
FAA listing history
Identities observed in NASR snapshots
CASTLE
Observed 2024-06-13 through 2026-07-09
KMER
Dates describe available FAA snapshots, not exact opening, closure or construction dates.
Material changes
First observed in NASR cyclesNo public material changes are recorded yet.
FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.