| Navaid Facility ID: | FMH |
| Official Navaid Facility ID: | FMH |
| Navaid Facility Type: | TACAN |
| Navaid Name: | Otis |
| City: | FALMOUTH |
| State: | MASSACHUSETTS |
| FAA Region: | |
| Latitude: | 41-39-34.577N (41.6596) |
| Longitude: | 070-30-50.208W (-70.5139) |
| Lat/Long Survey Accuracy: | NOS |
| Owner: | U.S. COAST GUARD |
| Operator: | U.S. COAST GUARD |
| Common System Usage: | Yes |
| Public Use: | Yes |
| Navaid Class: | L-TACAN |
| Hours of Operation: | 24 |
| Magnetic Variance: | 14.1 W as of 9/30/2025 |
| ARTCC High Altitude ID (Name): | () |
| ARTCC Low Altitude ID (Name): | ZBW (BOSTON) |
| Navaid ID | Navaid Facility Type | Remarks |
|---|---|---|
| FMH | TACAN | TACAN DME PORTION UNUSBL 315-100 DEGS BYD 25 NM BLO 3,000 FT. |
| FMH | TACAN | TACAN AZMUTH UNUSBL 360-075 DEGS BYD 30 NM BLO 3,000 FT. |