UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	May 14, 2020 3:00 P.M.

Form:	S-4
CIK: 0001260221 Company Name: TransDigm Group INC File Number: 333-238018
CIK: 0000007340 Company Name: ARKWIN INDUSTRIES INC File Number: 333-238018-91
CIK: 0000033619 Company Name: ESTERLINE TECHNOLOGIES CORP File Number: 333-238018-90
CIK: 0000099359 Company Name: BREEZE-EASTERN LLC File Number: 333-238018-89
CIK: 0000714124 Company Name: AvtechTyee, Inc. File Number: 333-238018-88
CIK: 0000739013 Company Name: NORWICH AERO PRODUCTS INC File Number: 333-238018-87
CIK: 0001077670 Company Name: TRANSDIGM INC File Number: 333-238018-86
CIK: 0001077673 Company Name: MarathonNorco Aerospace, Inc. File Number: 333-238018-85
CIK: 0001084402 Company Name: ADAMS RITE AEROSPACE INC File Number: 333-238018-84
CIK: 0001142160 Company Name: CHAMPION AEROSPACE LLC File Number: 333-238018-83
CIK: 0001264276 Company Name: ANGUS ELECTRONICS CO File Number: 333-238018-82
CIK: 0001264277 Company Name: ARMTEC COUNTERMEASURES CO File Number: 333-238018-81
CIK: 0001264278 Company Name: ARMTEC DEFENSE PRODUCTS CO File Number: 333-238018-80
CIK: 0001264279 Company Name: Auxitrol Weston USA, Inc. File Number: 333-238018-79
CIK: 0001264289 Company Name: HYTEK FINISHES CO File Number: 333-238018-78
CIK: 0001264290 Company Name: JANCO CORP File Number: 333-238018-77
CIK: 0001264292 Company Name: KORRY ELECTRONICS CO File Number: 333-238018-76
CIK: 0001264293 Company Name: MASON ELECTRIC CO File Number: 333-238018-75
CIK: 0001273055 Company Name: AVISTA INC File Number: 333-238018-74
CIK: 0001377125 Company Name: Avionic Instruments LLC File Number: 333-238018-73
CIK: 0001377127 Company Name: Skurka Aerospace Inc. File Number: 333-238018-72
CIK: 0001378716 Company Name: CDA INTERCORP LLC File Number: 333-238018-71
CIK: 0001403202 Company Name: Transicoil LLC File Number: 333-238018-70
CIK: 0001403204 Company Name: Aviation Technologies, Inc. File Number: 333-238018-69
CIK: 0001404701 Company Name: Leach Holding CORP File Number: 333-238018-68
CIK: 0001404702 Company Name: Leach International Corp File Number: 333-238018-67
CIK: 0001404704 Company Name: Leach Technology Group, Inc. File Number: 333-238018-66
CIK: 0001404705 Company Name: Palomar Products, Inc. File Number: 333-238018-65
CIK: 0001404710 Company Name: Armtec Countermeasures TNO Co. File Number: 333-238018-64
CIK: 0001404713 Company Name: CMC Electronics Aurora LLC File Number: 333-238018-63
CIK: 0001404922 Company Name: AeroControlex Group, Inc. File Number: 333-238018-62
CIK: 0001418099 Company Name: AmSafe Global Holdings Inc File Number: 333-238018-61
CIK: 0001486752 Company Name: ACME Aerospace, Inc. File Number: 333-238018-60
CIK: 0001486781 Company Name: Dukes Aerospace, Inc. File Number: 333-238018-59
CIK: 0001486783 Company Name: CEF Industries, LLC File Number: 333-238018-58
CIK: 0001486784 Company Name: Bruce Aerospace, Inc. File Number: 333-238018-57
CIK: 0001495702 Company Name: Extant Components Group Holdings, Inc. File Number: 333-238018-56
CIK: 0001503142 Company Name: Racal Acoustics, Inc. File Number: 333-238018-55
CIK: 0001503143 Company Name: Esterline International Co File Number: 333-238018-54
CIK: 0001503144 Company Name: NMC Group, Inc. File Number: 333-238018-53
CIK: 0001518064 Company Name: Hartwell Corp File Number: 333-238018-52
CIK: 0001518065 Company Name: McKechnie Aerospace DE, Inc. File Number: 333-238018-51
CIK: 0001518066 Company Name: McKechnie Aerospace Holdings, Inc. File Number: 333-238018-50
CIK: 0001518068 Company Name: McKechnie Aerospace US LLC File Number: 333-238018-49
CIK: 0001518069 Company Name: Semco Instruments, Inc. File Number: 333-238018-48
CIK: 0001518070 Company Name: Texas Rotronics, Inc. File Number: 333-238018-47
CIK: 0001518071 Company Name: Electromech Technologies LLC File Number: 333-238018-46
CIK: 0001529278 Company Name: Schneller LLC File Number: 333-238018-45
CIK: 0001567701 Company Name: HARCO LLC File Number: 333-238018-44
CIK: 0001567706 Company Name: Bridport Holdings, Inc. File Number: 333-238018-43
CIK: 0001567707 Company Name: AmSafe, Inc. File Number: 333-238018-42
CIK: 0001567715 Company Name: Shield Restraint Systems, Inc. File Number: 333-238018-41
CIK: 0001567717 Company Name: Bridport Erie Aviation, Inc. File Number: 333-238018-40
CIK: 0001567722 Company Name: Bridport-Air Carrier, Inc. File Number: 333-238018-39
CIK: 0001580072 Company Name: Whippany Actuation Systems, LLC File Number: 333-238018-38
CIK: 0001614930 Company Name: Aerosonic LLC File Number: 333-238018-37
CIK: 0001614963 Company Name: Airborne Systems North America of CA Inc. File Number: 333-238018-36
CIK: 0001614964 Company Name: Airborne Systems North America of NJ Inc. File Number: 333-238018-35
CIK: 0001614965 Company Name: Airborne Acquisition, Inc. File Number: 333-238018-34
CIK: 0001614966 Company Name: Airborne Global Inc. File Number: 333-238018-33
CIK: 0001614967 Company Name: Airborne Systems NA Inc. File Number: 333-238018-32
CIK: 0001614968 Company Name: Airborne Systems North America Inc. File Number: 333-238018-31
CIK: 0001614971 Company Name: Avionics Specialties, Inc. File Number: 333-238018-30
CIK: 0001615730 Company Name: Airborne Holdings, Inc. File Number: 333-238018-29
CIK: 0001638075 Company Name: Telair US LLC File Number: 333-238018-28
CIK: 0001639209 Company Name: Telair International LLC File Number: 333-238018-27
CIK: 0001657901 Company Name: Pexco Aerospace, Inc. File Number: 333-238018-26
CIK: 0001657904 Company Name: PneuDraulics, Inc. File Number: 333-238018-25
CIK: 0001689275 Company Name: Young & Franklin Inc. File Number: 333-238018-24
CIK: 0001689276 Company Name: Data Device Corp File Number: 333-238018-23
CIK: 0001689277 Company Name: Tactair Fluid Controls, Inc. File Number: 333-238018-22
CIK: 0001689284 Company Name: Beta Transformer Technology Corp File Number: 333-238018-21
CIK: 0001689285 Company Name: Beta Transformer Technology LLC File Number: 333-238018-20
CIK: 0001689429 Company Name: ILC Holdings, Inc. File Number: 333-238018-19
CIK: 0001689430 Company Name: Johnson Liverpool LLC File Number: 333-238018-18
CIK: 0001706089 Company Name: North Hills Signal Processing Corp. File Number: 333-238018-17
CIK: 0001706090 Company Name: North Hills Signal Processing Overseas Corp. File Number: 333-238018-16
CIK: 0001758410 Company Name: TransDigm UK Holdings plc File Number: 333-238018-15
CIK: 0001758412 Company Name: Extant Components Group Intermediate, Inc. File Number: 333-238018-14
CIK: 0001758436 Company Name: Symetrics Industries, LLC File Number: 333-238018-13
CIK: 0001758441 Company Name: Kirkhill Inc. File Number: 333-238018-12
CIK: 0001758445 Company Name: Skandia, Inc. File Number: 333-238018-11
CIK: 0001758503 Company Name: Symetrics Technology Group, LLC File Number: 333-238018-10
CIK: 0001758515 Company Name: TEAC Aerospace Holdings, Inc. File Number: 333-238018-09
CIK: 0001758516 Company Name: TEAC Aerospace Technologies, Inc. File Number: 333-238018-08
CIK: 0001771839 Company Name: Esterline Europe Co LLC File Number: 333-238018-07
CIK: 0001771841 Company Name: 17111 Waterview Pkwy LLC File Number: 333-238018-06
CIK: 0001771893 Company Name: ScioTeq LLC File Number: 333-238018-05
CIK: 0001771895 Company Name: TREALITY SVS LLC File Number: 333-238018-04
CIK: 0001771896 Company Name: Esterline Technologies SGIP LLC File Number: 333-238018-03
CIK: 0001771913 Company Name: TA Aerospace Co. File Number: 333-238018-02
CIK: 0001811408 Company Name: TDG ESL Holdings Inc. File Number: 333-238018-01