Universal Licensing System
399WS
Optimal Aviation Services, LLC
License details
| ULS identifier | 2974315 |
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| Call sign | 399WS |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2008-01-08 |
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| Expiration | 2018-01-08 |
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| Cancellation | 2018-03-10 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:42:54 |
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Licensee
| Name | Optimal Aviation Services, LLC |
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| Applicant type | L |
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| Location | 'visalia, CA |
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| Address | 714 N. Highland St., 'visalia, CA, 93291 |
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License history
| Date | File or call sign | Action |
|---|
| 2018-03-10 | 399WS | LIEXP |
| 2017-10-16 | 399WS | LETRES |
| 2014-01-07 | 399WS | ESUFND |
| 2008-01-08 | 399WS | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2974315 | 2026-08-02 01:42:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 399WS | ULS 2974315 | 2026-08-02 01:42:54 |
| Status | E | ULS 2974315 | 2026-08-02 01:42:54 |
| Service | AC | ULS 2974315 | 2026-08-02 01:42:54 |
| Grant Date | 2008-01-08 | ULS 2974315 | 2026-08-02 01:42:54 |
| Expiration Date | 2018-01-08 | ULS 2974315 | 2026-08-02 01:42:54 |
| Cancellation Date | 2018-03-10 | ULS 2974315 | 2026-08-02 01:42:54 |