FAA · Supplemental Type Certificate
STC SR01790SE
Installation of Skidtube and Skidtube extension
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (8)
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135P1
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135P2
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135P2+
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135P3
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135T1
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135T2
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135T2+
- H88EU Airbus Helicopters Deutschland GmbH (AHD) · EC135T3
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗