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

ST00707LA

Installation of Honeywell Analog Flight Control System. Limited to installation on HU-16RD, serial number 137932 ONLY. Held by Reid Dennis. Last revised January 15, 1999. System: flight controls.

What it applies to

Kind of product
Aircraft
Design holder
Dennis Reid
Models
HU-16RD
Type certificate
T00003LA
On this site
Grumman HU-16 33 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.