Universal Licensing System
284MM
Marble Mountain Helicopters, LLC
License details
| ULS identifier | 3892523 |
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| Call sign | 284MM |
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| Radio service | AC |
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| Status | A |
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| Grant date | 2017-02-22 |
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| Expiration | 2027-02-22 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:39:23 |
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Licensee
| Name | Marble Mountain Helicopters, LLC |
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| Applicant type | L |
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| FRN | 0017355132 |
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| Location | Roseburg, OR |
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| Address | 7905 Old Hwy 99N, Roseburg, OR, 97470 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-05-24 | 284MM | LIAUA |
| 2018-06-05 | 284MM | LIAUA |
| 2017-02-22 | 284MM | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3892523 | 2026-08-02 01:39:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 284MM | ULS 3892523 | 2026-08-02 01:39:23 |
| Status | A | ULS 3892523 | 2026-08-02 01:39:23 |
| Service | AC | ULS 3892523 | 2026-08-02 01:39:23 |
| Grant Date | 2017-02-22 | ULS 3892523 | 2026-08-02 01:39:23 |
| Expiration Date | 2027-02-22 | ULS 3892523 | 2026-08-02 01:39:23 |