SR02204LA
Installation of an AKV, INC. N1/N2 Cycle Counter, PN UH1T53CC. Held by Akv INC., which holds 8 approved modifications in all. Last revised March 12, 2010. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Bell Helicopter Textron; Bell Helicopter Textron; Bell Helicopter Textron; Bell Helicopter Textron; Bell Helicopter Textron; Overseas Aircraft Support Inc; Overseas Aircraft Support Inc; Overseas Aircraft Support Inc; Overseas Aircraft Support Inc
- Models
- 204B, 205A, 205A-1, 205B, 210, UH-1B, UH-1E, UH-1H, UH-1L
- Type certificates
- H1SW, H1SW, H1SW, H1SW, H1SW, H7SO, H7SO, H7SO, H7SO
- On this site
- Bell 204 7 registered
Bell 205 58 registered
Bell UH-1 Huey (Iroquois) 404 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.