Universal Licensing System
312CE
Sierra Alpha Helicopters LLC
License details
| ULS identifier | 3695480 |
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| Call sign | 312CE |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2015-04-28 |
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| Expiration | 2025-04-28 |
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| Cancellation | 2025-06-28 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:30 |
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Licensee
| Name | Sierra Alpha Helicopters LLC |
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| Applicant type | L |
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| FRN | 0022633218 |
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| Location | Dover, MA |
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| Address | 8 Claybrook Road, Dover, MA, 02030 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-06-28 | 312CE | LIEXP |
| 2025-02-03 | 312CE | LETRES |
| 2015-04-28 | 312CE | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3695480 | 2026-08-02 01:40:30 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 312CE | ULS 3695480 | 2026-08-02 01:40:30 |
| Status | E | ULS 3695480 | 2026-08-02 01:40:30 |
| Service | AC | ULS 3695480 | 2026-08-02 01:40:30 |
| Grant Date | 2015-04-28 | ULS 3695480 | 2026-08-02 01:40:30 |
| Expiration Date | 2025-04-28 | ULS 3695480 | 2026-08-02 01:40:30 |
| Cancellation Date | 2025-06-28 | ULS 3695480 | 2026-08-02 01:40:30 |