The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · amended

SA3518NM

Installation of a skylight, in accordance with Steve s Aircraft Drawing No. SP-3200, Sheet 1 through 6, dated June 23, 1986, or later FAA approved revision. Held by Steve'S Aircraft, which holds 13 approved modifications in all. Last revised April 1, 2008. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.
Models
PA-16, PA-16S, PA-20, PA-20-115, PA-20-135, PA-20S, PA-20S-115, PA-20S-135, PA-22, PA-22-108, PA-22-135, PA-22-150, PA-22-160, PA-22S-135, PA-22S-150, PA-22S-160, PA-15, PA-17
Type certificates
1A1, 1A1, 1A4, 1A4, 1A4, 1A4, 1A4, 1A4, 1A6, 1A6, 1A6, 1A6, 1A6, 1A6, 1A6, 1A6, A-800, A-805
On this site
Piper PA-15 165 registered
Piper PA-16 Clipper 276 registered
Piper PA-17 Vagabond 97 registered
Piper PA-20 Pacer 323 registered
Piper PA-22 Tri-Pacer and Colt 2,942 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.