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

ST02358NY

Installation of a Northern Airborne Technology STX100 SATPHONE system. Held by Northern Airborne Technology LTD (Canada), which holds 3 approved modifications in all. Last revised March 28, 2007. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
Gulfstream Aerospace LP
Models
1125 Westwind Astra
Type certificate
A16NM
On this site
Israel Aircraft Industries 1125 36 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.