Universal Licensing System
51SE
Liberty Mutual Insurance Co.
License details
| ULS identifier | 2690816 |
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| Call sign | 51SE |
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| Radio service | AC |
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| Status | T |
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| Grant date | 2014-11-25 |
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| Expiration | 2025-02-01 |
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| Cancellation | 2015-10-20 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:25 |
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Licensee
| Name | Liberty Mutual Insurance Co. |
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| Applicant type | C |
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| FRN | 0003629789 |
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| Location | Bedford, MA |
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| Address | 230 Hanscom Drive, Bedford, MA, 01730 |
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License history
| Date | File or call sign | Action |
|---|
| 2015-10-20 | 51SE | LETNNS |
| 2015-10-20 | 51SE | LITERM |
| 2014-11-25 | 51SE | LIREN |
| 2014-11-10 | 51SE | LETRES |
| 2005-02-01 | 51SE | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2690816 | 2026-08-02 01:40:25 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 51SE | ULS 2690816 | 2026-08-02 01:40:25 |
| Status | T | ULS 2690816 | 2026-08-02 01:40:25 |
| Service | AC | ULS 2690816 | 2026-08-02 01:40:25 |
| Grant Date | 2014-11-25 | ULS 2690816 | 2026-08-02 01:40:25 |
| Expiration Date | 2025-02-01 | ULS 2690816 | 2026-08-02 01:40:25 |
| Cancellation Date | 2015-10-20 | ULS 2690816 | 2026-08-02 01:40:25 |