FAA UPNs Posted in 1999
Date Posted Subject Number
11/1/1999 Large Transport Category 99-098 (PDF)
11/1/1999 General Electric Models J-85, CJ-610, and CF-700 series engines. 98-280 (PDF)
8/23/1999 Pratt & Whitney JT3D, JT8D, and JT9D Engines 97-205A (PDF)
5/18/1999 Bell Helicopter Textron, Models BHT 205, 206, 212, and 412 Sikorsky Helicopter Model S-76 97-021 (PDF)
5/18/1999 Pratt and Whitney (P&W) Model JT8D C-2 disk, P/N 745902, Serial Number H62755 96-291 (PDF)
4/13/1999 Twin Commander Model 680, 685, and 690 Series; Raytheon (formerly Beech) Model 65 and 90 Series; Cessna Model 310, 320, 340, 401, 402, 411, 414, and 421 Series; Piper Model PA-23 and PA-24 Series.

Note: Additional aircraft manufacturer's models may be affected; however, specific information pertaining to these aircraft is unknown at this time
96-269 (PDF)
5/18/1999 All parts, including appliances, originating from Pratt & Whitney (P&W) P&W PT6A-112 Engine, Serial Number 12362 96-263 (PDF)
4/7/1999 BO-105 Helicopters 96-260 (PDF)
5/18/1999 Federal Aviation Regulations Part 25 Transport Category Airplanes 96-102 (PDF)