ST03651AT
Installation of internal and external modifications as provisions for mission system equipment (MSE) in the High Altitude Long Range ("HALO") special mission air vehicle. Held by Gulfstream Aerospace Corporation, which holds 1,860 approved modifications in all. Last revised July 8, 2026. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Gulfstream Aerospace Corporation
- Models
- GV-SP
- Type certificate
- A12EA
- On this site
- Gulfstream GV-SP G550 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 5, 2026.