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

SA00869AT-D

Installation of replacement fuel cell assemblies (FFC replacement part number 573 is eligible for installation on Piper Seneca II, models Pa-34-200T, serial numbers 34-757001 and subsequent and Piper Seneca III models PA-34-200T serial numbers 34-8133001 and subsequent.). Held by Ffc Manufacturing, which holds 86 approved modifications in all. Last revised April 16, 2009. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
Piper Aircraft Inc.
Models
PA-34-200T
Type certificate
A7SO
On this site
Piper PA-34 Seneca 996 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 22, 2026.