SE10589SC
Installation of turbonormalizing system. Held by Engine Technologies INC, which holds 7 approved modifications in all. Last revised November 8, 2006. System: engine.
What it applies to
- Kind of product
- Engine
- Design holder
- Teledyne Continental Motors
- Models
- IO-550-N
- Type certificate
- E3SO
- 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.