SR09437RC
Installation of Honeywell Mark 22 Enhanced Ground Proximity Warning System in accordance with Drawing No. DL355018, Revision B, dated February 5, 2005, or later FAA approved revision. Instructions for Continued Airworthiness Report Number MMS/355018-001, dated April 20, 2005 or later FAA accepted revision are required. Held by Marmont Tony. Last revised May 13, 2005. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Eurocopter France
- Models
- AS355N
- Type certificate
- H11EU
- On this site
- Airbus Helicopters AS355 TwinStar 6 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 22, 2026.