Installation of Allison 250-C18A, -C18C, -C20, -C20B engine and related changes.

Please contact modification supplier for further details.

STC Status: Reissued
STC Date: 15/05/09
Responsible Office: Los Angeles Aircraft Certification Office (ANM-100L), Tel: (562) 627-5200

Bell Helicopter Textron

• 47G-2A
• 47G-2A-1
• 47G-3B
• 47G-3B-1
• 47G-3B-2
• 47G-3B-2A
• 47G-4
• 47G-4A
• 47G-5
• 47G-5A