UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Notice of Effectiveness

Effectiveness Date: June 20, 2023 4:30 P.M.
Form: S-3
CIK: 0000008063
Company Name: ASTRONICS CORP
File Number: 333-272423
CIK: 0001527000
Company Name: Astronics Advanced Electronic Systems
File Number: 333-272423-13
CIK: 0001978498
Company Name: Astronics Test Systems Inc.
File Number: 333-272423-12
CIK: 0001979186
Company Name: Astronics AeroSat Corp
File Number: 333-272423-11
CIK: 0001978519
Company Name: Astronics Connectivity Systems & Certification Corp.
File Number: 333-272423-10
CIK: 0001526965
Company Name: Luminescent Systems, Inc.
File Number: 333-272423-09
CIK: 0001978666
Company Name: Freedom Communication Technologies Inc.
File Number: 333-272423-08
CIK: 0001979471
Company Name: PECO, Inc.
File Number: 333-272423-07
CIK: 0001978612
Company Name: Diagnosys Holdings Inc.
File Number: 333-272423-06
CIK: 0001978592
Company Name: Astronics Custom Control Concepts Inc.
File Number: 333-272423-05
CIK: 0001978584
Company Name: Astronics DME LLC
File Number: 333-272423-04
CIK: 0001978577
Company Name: Diagnosys Inc.
File Number: 333-272423-03
CIK: 0001978576
Company Name: Astronics Air LLC
File Number: 333-272423-02
CIK: 0001978541
Company Name: Astronics Air II LLC
File Number: 333-272423-01