Installation of a Protective Device in the ground side of the Battery and External Power relays

Please contact modification supplier for further details.

STC Status: Reissued
STC Date: 24/07/14
Responsible Office: Seattle Aircraft Certification Office (ANM-100S), Tel: (425) 917-6400

Twin Commander Aircraft LLC

• 500
• 500-A
• 500-B
• 520
• 560
• 560-A
• 560-E
• 560-F
• 680
• 680-E
• 680-F
• 680-FL
• 720