SA446AL
Fabrication and installation of Stoddard Aero Service Model 15 fuel tanks per Stoddard Aero Service Drawing List No. 447, dated February 7, 1975, or later Federal Aviation Administration approved revision. Stoddard Aero Service Airplane Flight Manual Supplement dated August 6, 1971, is required with this installation. Held by Cub Crafters INC, which holds 62 approved modifications in all. Last revised January 26, 2012. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Piper Aircraft Inc.
- Models
- PA-17
- Type certificate
- A-805
- On this site
- Piper PA-17 Vagabond 97 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.