| Navaid Facility ID: | MC |
| Official Navaid Facility ID: | MC |
| Navaid Facility Type: | NDB |
| Navaid Name: | Surff |
| City: | MASON CITY |
| State: | IOWA |
| FAA Region: | |
| Latitude: | 43-03-09.030N (43.0525) |
| Longitude: | 093-19-39.924W (-93.3278) |
| Lat/Long Survey Accuracy: | |
| Owner: | FEDERAL AVIATION ADMINISTRATION |
| Operator: | FEDERAL AVIATION ADMINISTRATION |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | LOMW |
| Hours of Operation: | 24 |
| Magnetic Variance: | 0.1 E as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | () |
| Navaid ID | Navaid Facility Type | Magnetic Variance | Airspace Fixes |
|---|---|---|---|
| MC | NDB | 0.2 E | SURFF IA - K3 |