Universal Licensing System
18SF
MARKOSS AVIATION INC.
License details
| ULS identifier | 211031 |
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| Call sign | 18SF |
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| Radio service | AC |
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| Status | E |
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| Grant date | 1999-08-11 |
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| Expiration | 2009-08-11 |
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| Cancellation | 2009-10-17 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:10 |
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Licensee
| Name | MARKOSS AVIATION INC. |
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| Applicant type | C |
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| FRN | 0001522317 |
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| Location | WILMINGTON, DE |
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| Address | 1209 ORANGE STREET, WILMINGTON, DE, 19801 |
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License history
| Date | File or call sign | Action |
|---|
| 2009-10-17 | 18SF | LIEXP |
| 2009-05-18 | 18SF | LETRES |
| 1999-08-11 | 18SF | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 211031 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 18SF | ULS 211031 | 2026-08-02 01:40:10 |
| Status | E | ULS 211031 | 2026-08-02 01:40:10 |
| Service | AC | ULS 211031 | 2026-08-02 01:40:10 |
| Grant Date | 1999-08-11 | ULS 211031 | 2026-08-02 01:40:10 |
| Expiration Date | 2009-08-11 | ULS 211031 | 2026-08-02 01:40:10 |
| Cancellation Date | 2009-10-17 | ULS 211031 | 2026-08-02 01:40:10 |