ST03036NY
One Time Supplemental Type Certificate approval for the installation of Cabin Interior Modification. Held by Northrop Grumman Systems Corporation, which holds 62 approved modifications in all. Last revised November 21, 2011. System: cabin, seats and restraints.
What it applies to
- Kind of product
- Aircraft
- Design holder
- ATR - GIE Avions de Transport Régional
- Models
- ATR42-320
- Type certificate
- A53EU
- On this site
- Aerospatiale/Aeritalia ATR 42 16 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.