STC ST00098IB

IMPORT ST00098IB

STC TWENTY ONE LIMITED 6 Nottingham Road Nottingham, NG10 1HP United Kingdom Part 25 Title 14 Code of Federal Regulations * * *See attached FAA Approved Model List (AML) No. ST00098IB for a list of approved aircraft models and applicable airworthiness regulations.

1. Introduction of ADS-B Out must be in accordance with STC Twenty One Limited Master Data List as listed on FAA AML No. ST00098IB.

2. Operation must be in accordance with STC Twenty One Limited Flight Manual Supplement as listed on FAA AML No. ST00098IB.

3. Maintenance must be in accordance with STC Twenty One Limited Instructions for Continued Airworthiness as listed on FAA AML No. ST00098IB.

1. The installer must determine whether this design change is compatible with previously approved modifications.

(See Limitations and Conditions Continued on Page 3 of 3) December 13, 2022 February 22, 2023 Anthony E. Gallo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

IMPORT ST00098IB 3

IMPORT ST00098IB Date of Issuance: February 22, 2023

2. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission.

3. This STC is applicable to all serial numbers for this Make/Model aircraft.

----------END---------- 3 3