Universal Licensing System
557PK
Sion Aviation LLC
License details
| ULS identifier | 4215376 |
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| Call sign | 557PK |
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| Radio service | AC |
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| Status | A |
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| Grant date | 2019-10-30 |
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| Expiration | 2029-10-30 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:39:38 |
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Licensee
| Name | Sion Aviation LLC |
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| Applicant type | L |
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| FRN | 0023524689 |
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| Location | Vail, CO |
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| Address | 141 East Meadow DR., STE. 211, Vail, CO, 81657 |
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License history
| Date | File or call sign | Action |
|---|
| 2019-10-30 | 557PK | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4215376 | 2026-08-02 01:39:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 557PK | ULS 4215376 | 2026-08-02 01:39:38 |
| Status | A | ULS 4215376 | 2026-08-02 01:39:38 |
| Service | AC | ULS 4215376 | 2026-08-02 01:39:38 |
| Grant Date | 2019-10-30 | ULS 4215376 | 2026-08-02 01:39:38 |
| Expiration Date | 2029-10-30 | ULS 4215376 | 2026-08-02 01:39:38 |