Operational Alert: 155
Date: December 6, 2001
Subject: Canopy Pins Moving Out of Position 
Compliance: Mandatory
Models Effected: All S-16

It has been brought to our attention the possibility of canopy hinge pins moving out of position. To prevent inadvertent canopy release, please safety wire the pins in place or replace with the appropriate length and diameter bolt. 

Thank you for your attention to this matter. Hopefully we have not inconvenienced you to any great degree. Fly safe!