X0101 EFFECT 33 LIVE 2007-08-06 12:30:00

S-4

0000033619 ESTERLINE TECHNOLOGIES CORP 333-144161 0001407046 Esterline Technologies LTD 333-144161-36 0001407045 Leach International Mexico, S. de R. L. de C. V. 333-144161-35 0001264296 MC TECH CO 333-144161-34 0000824070 ADVANCED INPUT DEVICES INC 333-144161-33 0001264275 AMTECH AUTOMATED MANUFACTURING TECHNOLOGY INC 333-144161-32 0001264277 ARMTEC COUNTERMEASURES CO 333-144161-31 0001264278 ARMTEC DEFENSE PRODUCTS CO 333-144161-30 0001273055 AVISTA INC 333-144161-29 0001264281 BVR TECHNOLOGIES CO 333-144161-28 0001264282 EQUIPMENT SALES CO 333-144161-27 0001264279 ESTERLINE SENSORS SERVICES AMERICAS, INC. 333-144161-26 0001264283 EA TECHNOLOGIES CORP 333-144161-25 0001264286 HA SALES CO 333-144161-24 0001404710 Armtec Countermeasures TNO Co. 333-144161-23 0001264289 HYTEK FINISHES CO 333-144161-22 0001404714 CMC Datacomm, Inc. 333-144161-21 0001264290 JANCO CORP 333-144161-20 0001264291 KIRKHILL-TA CO 333-144161-19 0001264292 KORRY ELECTRONICS CO 333-144161-18 0001264293 MASON ELECTRIC CO 333-144161-17 0001404701 Leach Holding CORP 333-144161-16 0001404702 Leach International Corp 333-144161-15 0001404704 Leach Technology Group, Inc. 333-144161-14 0001404705 Palomar Products, Inc. 333-144161-13 0001404707 UMM Electronics Inc. 333-144161-12 0001264276 ANGUS ELECTRONICS CO 333-144161-11 0001264297 MEMTRON TECHNOLOGIES CO 333-144161-10 0000739013 NORWICH AERO PRODUCTS INC 333-144161-09 0001264309 PRESSURE SYSTEMS INC 333-144161-08 0001264298 PRESSURE SYSTEMS INTERNATIONAL INC 333-144161-07 0001264301 SURFTECH FINISHES CO 333-144161-06 0001404711 CMC Electronics Acton Inc. 333-144161-05 0001404713 CMC Electronics Aurora Inc. 333-144161-04 0001404698 Esterline Canadian Holding CORP 333-144161-03 0001404699 Esterline Technologies Holdings LTD 333-144161-02 0001404700 Hauser, Inc. 333-144161-01