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

ST00252BO

Installation of Pratt & Whitney Engine Services, Inc. Digital Aircraft Data Acquisition System ADASd. Held by Pratt & Whitney Engine Services INC., which holds 48 approved modifications in all. Last revised October 22, 2007. System: engine.

What it applies to

Kind of product
Aircraft
Design holder
Cessna Aircraft Company
Models
560XL
Type certificate
A22CE
On this site
Cessna 560 Citation V, Ultra, Encore and Excel 1,341 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 5, 2026.