Installation of oil filter assemblies.

Please contact modification supplier for further details.

STC Status: Reissued
STC Date: 29/08/74
Responsible Office: Chicago Aircraft Certification Office (ACE-115C), Tel: (847) 294-7358

Bell Helicopter Textron

• 47G-2 (USAF H-13H)
• 47G-2A
• 47G-2A-1
• 47G-3 (OH-13H)
• 47G-3B
• 47G-3B-1 (TH-13T)
• 47G-4
• 47G-4A
• 47G-5
• 47J
• 47J-2
• 47J-2A
• 47K

• 50 (L-23A)
• 65 (L-23F)
• 65-80
• 65-A80-8800
• 65-B80
• B50 (L-23B)
• B50 (L-23D)
• B50 (RL-23D)
• C50
• D50 (L-23E)
• D50A
• D50B
• D50C
• D50E
• D50E-5990
• E50
• F50
• G50
• H50
• J50

• UH-12E
• UH-12E-L

• 560-A
• 560-E
• 560F
• 680-E
• 680-F