SA175EA
Installation of wing struts modified to include Wings With Springs Model200 hydraulic-pneumatic shock absorbers and associated airframe modifications. Held by Wings With Springs, INC, which holds 2 approved modifications in all. Last revised August 17, 1977. System: heating, ice protection and utility systems.
What it applies to
- Kind of product
- Aircraft
- Design holder
- The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company
- Models
- 172G, 172H (USAF T-41A), 172E, 172F (USAF T-41A), 172D, 172B, 172A, 172, 172C, 182B, 182C, 182A, 182D, 182, 175B, 175A, 175, 175C, 180F, 180A, 180B, 180C, 180D, 180E, 180H, 180G, 180, 170B
- Type certificates
- 3A12, 3A12, 3A12, 3A12, 3A12, 3A12, 3A12, 3A12, 3A12, 3A13, 3A13, 3A13, 3A13, 3A13, 3A17, 3A17, 3A17, 3A17, 5A6, 5A6, 5A6, 5A6, 5A6, 5A6, 5A6, 5A6, 5A6, A-799
- On this site
- Cessna 170 2,085 registered
Cessna 172 Skyhawk 20,675 registered
Cessna 175 Skylark 925 registered
Cessna 180 Skywagon 2,605 registered
Cessna 182 Skylane 11,832 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 21, 2026.