SH7926SW
Installation of left hand sliding door close out with baggage door and windows. Held by Dart Aerospace USA, INC., which holds 25 approved modifications in all. Last revised January 17, 2002. System: airframe structure.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Bell Helicopter Textron
- Models
- 412
- Type certificate
- H4SW
- On this site
- Bell 412 87 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 20, 2026.