FCC.reportPublic regulatory filings
FCC Registration Number

FRN 0003271921

GRINDSTONE AVIATION LLC

CORES registration

Entity name
GRINDSTONE AVIATION LLC
Entity type
Private Sector , Limited Liability Corporation
Registration date
2000-06-25
FCC source updated
2025-12-04
Contact position
Director of Maintenance
Contact name
David Hatfield
Contact address
13 1/2 PENNS WAY, NEW CASTLE, DE 19720, United States
Contact email
[email protected]
CORES status
available
Last checked
2026-08-04 17:48:39

Connected companies

CompanyRelationshipSourceConfidence
GRINDSTONE AVIATION LLCregistrantCORES100.0%
GRINDSTONE AVIATION LLClicenseeULS100.0%

Public regulatory phone numbers

NumberContactSourceConfidence
(302) 242-3472David Hatfield Director of MaintenanceCORES100.0%

ULS licenses

Grant dateCall signServiceStatusLicensee
2020-04-0776FDACAGRINDSTONE AVIATION LLC

Source provenance

SystemRecordRecorded nameRaw FRNObserved
CORES0003271921GRINDSTONE AVIATION LLC00032719212026-08-04 17:48:39
ULS025ee6424ff35b71f5178bd156db805356fc2fab51ac74d70b4dd0dfda648cccGRINDSTONE AVIATION LLC00032719212026-08-04 17:48:28

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