SA01553AT
Modify the side windows by replacing the existing 3/16 inch thick glass with 1/4 inch thick glass. Held by Jacob Aviation INC DBA, which holds 3 approved modifications in all. Last revised February 18, 1998. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation; Mooney Aircraft Corporation
- Models
- M20J, M20G, M20K, M20C, M20D, M20E, M20F, M20R, M20M, M20L, M20B
- Type certificates
- 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3
- On this site
- Mooney M-20 6,247 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.