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FAA-listed STC holder

Alaska Coastal Airlines STCs

The Jun 30, 2026 FAA DRS snapshot lists 3 selected supplemental type certificates with status Current under Alaska Coastal Airlines. The records span 3 public aircraft directories and 3 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

3
listed Current at snapshot
3
aircraft directories
3
modification categories
Mar 27, 2009
latest recorded revision

Recently revised records

Showing the 3 most recently revised records. Category directories provide the complete paginated discovery path.

3 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Alaska Coastal Airlines supplemental type certificates, aircraft applicability, source status and dates
STC and modificationAircraft / model / TCSource status and datesHolder and authority
SA122AL

Separate metal and fabric covered sections of wing trailing edge and center section.

Aircraft structuresView record
  • General Dynamics 28-5ACFTC 785

Current at cited snapshot

Application: Not listed

FAA holder: Alaska Coastal Airlines

FAA authority record
SA4-1045

Enlarged opening in airstair interior side panel.

Cabin and interiorsView record
  • General Dynamics 28-5ACFTC 785

Current at cited snapshot

Application: Not listed

FAA holder: Alaska Coastal Airlines

FAA authority record
SA4-591

Increased maximum weight capacity of bow compartment.

Aircraft performanceView record
  • Grumman American Aviation G-21ATC 654
  • Grumman American Aviation G-21TC 654

Current at cited snapshot

Application:

FAA holder: Alaska Coastal Airlines

FAA authority record