The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · amended

SR01052DE

Installation of Non-Aviation Band FM Radio Systems. Held by Cert Works LLC, which holds 16 approved modifications in all. Last revised October 19, 2020. System: instruments and avionics.

What it applies to

Kind of product
Aircraft
Design holder
Airbus Helicopters Deutschland GmbH; Airbus Helicopters Deutschland GmbH; Airbus Helicopters Deutschland GmbH; Airbus Helicopters Deutschland GmbH; Airbus Helicopters Deutschland GmbH; Airbus Helicopters Deutschland GmbH; Airbus Helicopters; Airbus Helicopters; Airbus Helicopters; Airbus Helicopters; Bell Textron Canada Limited; Agusta S.p.A.
Models
EC135 P1, EC135 P2, EC135 P2+, EC135 T1, EC135 T2, EC135 T2+, AS-350B2, AS-350B3, EC 130 B4, EC 130 T2, 407, A109E
Type certificates
H88EU, H88EU, H88EU, H88EU, H88EU, H88EU, H9EU, H9EU, H9EU, H9EU, H2SW, H7EU
On this site
Agusta Spa A109 108 registered
Airbus Helicopters AS350 AStar (Écureuil), now H125 891 registered
Airbus Helicopters EC 130 now H130 310 registered
Airbus Helicopters EC-135 now H135 397 registered
Bell 407 984 registered
S N I A S AS-350 7 registered
The FAA's record
On the FAA's site

What an approved modification is

A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.

Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 7, 2026.