The U.S. aircraft register, updated daily
Special conditions

Pratt and Whitney JT9D-3 Engine

Special conditions are rules the FAA writes for one design when the standard certification rules do not cover something new about it. These were for Pratt & Whitney. System: engine.

What it applies to

Applicant
Pratt & Whitney
Makes
Pratt & Whitney
Models
—
Effective
May 7, 1969
The FAA's document
On the FAA's site

Source: FAA special conditions (final) from the Dynamic Regulatory System; the Federal Register carries the same notices.