Installation of Human External Cargo (HEC) system.
FAA holder: Boost Systems LLC
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 16 selected supplemental type certificates with status Current whose public applicability data names the Overseas Aircraft Support UH-1H. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 16 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Boost Systems LLC
FAA holder: Overseas Aircraft Support Inc.
FAA holder: Isolair Inc.
FAA holder: Isolair Inc.
FAA holder: Midwest Aerospace TC LLC
FAA holder: Onboard Systems International
FAA holder: Northwest Heli-Structures Inc
FAA holder: Dart Aerospace USA Inc.
FAA holder: Vector Aerospace Helicopter Services USA Inc.
FAA holder: Mechanical Specialties Inc
FAA holder: AKV Inc.
FAA holder: Aviation Development Corporation
FAA holder: Dart Aerospace Limited
FAA holder: Dart Aerospace Limited
FAA holder: Aerosonic Corporation