FAA requests data from Bell 206L users The FAA is reaching out to the rotorcraft industry to request information on your experience with in-flight abnormal vertical vibration in Bell 206L helicopters. Your feedback is requested by Mon., Aug. 4, 2025. Please review this Airworthiness Concern Sheet (ACS), which provides more detail about: • The concern identified by the FAA • The specific information requested • The email address where you can send any information you wish to share. Note: Your participation is voluntary. This ACS does not convey regulatory or mandatory information. Please see below for more information about the FAA’s ACS Program. FAA ACS Program This ACS is a new FAA program designed to: • Alert the industry to a potential airworthiness issue • Request voluntary feedback from the industry that will inform FAA analysis and further action on the issue. Your participation is voluntary. An ACS does not convey regulatory or mandatory information, and industry input is requested on a voluntary basis. ACS benefits. The ACS Program is designed to: • Provide the industry with more efficient, rapid notice of safety concerns • Create a path for the industry to share relevant data with the FAA • Produce more-informed FAA airworthiness decisions, including airworthiness directives (ADs) and special airworthiness information bulletins (SAIBs). ACS outcome. The FAA will use the information provided by the industry to inform its analysis of the issue. After reaching a determination, the FAA may choose to issue an AD or SAIB, or it may determine that no corrective action is needed at this time. Editor’s note: VAI encourages readers with relevant information to respond to this FAA request.