SB00096NY
Installation of Aerostat Envelopes Model W-175-4 replacement envelope. Held by Digiovanni Ronald T., which holds 5 approved modifications in all. Last revised January 13, 2003. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Aerostar International; Aerostar International; Aerostar International
- Models
- S-77A, S-71A, S-66A
- Type certificates
- A15CE, A15CE, A15CE
- On this site
- Aerostar International Inc S-66 10 registered
Aerostar International Inc S-71 8 registered
Aerostar International Inc S-77 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.