Universal Licensing System
40EJ
KEYSTONE AVIATION INC
License details
| ULS identifier | 41500 |
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| Call sign | 40EJ |
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| Radio service | AC |
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| Status | E |
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| Grant date | 1995-02-08 |
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| Expiration | 2005-02-08 |
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| Cancellation | 2005-04-16 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-09 10:25:58 |
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Licensee
| Name | KEYSTONE AVIATION INC |
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| Applicant type | C |
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| Location | CLEVELAND, OK |
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| Address | CLEVELAND, OK, 74020 |
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License history
| Date | File or call sign | Action |
|---|
| 2005-04-16 | 40EJ | LIEXP |
| 2004-11-15 | 40EJ | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 41500 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | 40EJ | ULS 41500 | 2026-08-09 10:25:58 |
| Status | E | ULS 41500 | 2026-08-09 10:25:58 |
| Service | AC | ULS 41500 | 2026-08-09 10:25:58 |
| Grant Date | 1995-02-08 | ULS 41500 | 2026-08-09 10:25:58 |
| Expiration Date | 2005-02-08 | ULS 41500 | 2026-08-09 10:25:58 |
| Cancellation Date | 2005-04-16 | ULS 41500 | 2026-08-09 10:25:58 |