ST02495LAOther aircraft modifications
Installation of a multipurpose hatch system.
FAA holder: R4 Integration Inc
Aircraft STC directory
USDA Forest Service C-130A STCs
The Jun 30, 2026 FAA DRS snapshot contains 6 selected supplemental type certificates with status Current whose public applicability data names the USDA Forest Service C-130A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
6
listed Current at snapshot
4
holder directories
2
modification categories
Jul 15, 2021
latest recorded revision
Modification demand surface
Other aircraft modifications4
Fuel systems2
Recently revised C-130A STCs
Showing the 6 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA4850NMOther aircraft modifications
Installation of Retardant Tanks for the special purpose of Forest and Wildlife Conservation.
FAA holder: Coulson Aviation (USA) Inc.
ST02348LAFuel systems
Installation of a removable 3,000 gallon chemical tank and release door system operated under the restricted category for the special purposes of forest and wild life conservation, specifically with a primary mission of dispersing oil spills on open seas.
FAA holder: International Air Response
ST02985AT-DFuel systems
Installation of replacement fuel tank sealant system consistent.
FAA holder: FFC Manufacturing
SA02365CHOther aircraft modifications
Installation of NASI Supplemental Air-Conditioning System.
FAA holder: National Aircraft Service Inc
SA4557NMOther aircraft modifications
Installation of Retardant Tanks for the special purpose of Forest and Wildlife Conservation. (Approved for SN 56-0530 only).
FAA holder: Heavy Lift Helicopters Inc