Universal Licensing System
421SH
IASCO INC DBA : INTERNATIONAL AIR SERVICES
License details
| ULS identifier | 42526 |
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| Call sign | 421SH |
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| Radio service | AC |
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| Status | E |
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| Grant date | 1994-07-26 |
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| Expiration | 2004-07-26 |
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| Cancellation | 2004-09-26 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:42:26 |
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Licensee
| Name | IASCO INC DBA : INTERNATIONAL AIR SERVICES |
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| Applicant type | C |
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| Location | MC ALLEN, TX |
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| Address | MC ALLEN, TX, 78502 |
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License history
| Date | File or call sign | Action |
|---|
| 2004-09-26 | 421SH | LIEXP |
| 2004-05-03 | 421SH | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 42526 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 421SH | ULS 42526 | 2026-08-02 01:42:26 |
| Status | E | ULS 42526 | 2026-08-02 01:42:26 |
| Service | AC | ULS 42526 | 2026-08-02 01:42:26 |
| Grant Date | 1994-07-26 | ULS 42526 | 2026-08-02 01:42:26 |
| Expiration Date | 2004-07-26 | ULS 42526 | 2026-08-02 01:42:26 |
| Cancellation Date | 2004-09-26 | ULS 42526 | 2026-08-02 01:42:26 |