Skip to content

Aircraft STC directory

Helicopter Transport Services CH-54B STCs

The Jun 30, 2026 FAA DRS snapshot contains 27 selected supplemental type certificates with status Current whose public applicability data names the Helicopter Transport Services CH-54B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

27
listed Current at snapshot
3
holder directories
9
modification categories
Apr 8, 2025
latest recorded revision

Modification demand surface

Other aircraft modifications14
Rotorcraft modifications3
Cargo and special mission2
Fuel systems2
Propellers2
Electrical systems1
Engine and powerplant1
Cabin and interiors1
Flight controls1

Recorded holders

Helicopter Transport Services LLC23Erickson Air Crane Inc. dba Erickson Air-Crane2Simplex Manufacturing Company1

Recently revised CH-54B STCs

Showing the 27 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.