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No. of STCs: 9

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1982NM	Status: Historical	App Date: 11/23/1982	Rev Date: 07/15/1983
Description: Installation of a de-icing system on the Rolls Royce RK45524A engine inlet cowl.
TC Nos.: A1PC
Models: Mitsubishi Heavy Industries Ltd.YS-11, YS-11A-200, YS-11A-300, YS-11A-500, YS-11A-600
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1992NM	Status: Historical	App Date: 11/23/1982	Rev Date: 07/15/1983
Description: Installation of a de-icing system on Rolls Royce RK45524A engine inlet cowl.
TC Nos.: 6A6
Models: Kelowna Flightcraft R & D Ltd.340, 440
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1993NM	Status: Historical	App Date: 11/23/1982	Rev Date: 07/15/1983
Description: Installation of a de-icing system on the Rolls Royce RK45524A engine inlet cowl.
TC Nos.: A-793
Models: Kelowna Flightcraft R & D Ltd.240 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 4014 West Chandler Avenue, Santa Ana, CA 92704, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA302WE	Status: Historical	App Date: 10/10/1962	Rev Date: 05/03/2002
Description: Incorporate a de-icing system (as manufactured by applicant) externally on Rotol propeller spinner as an alternate to Dowty Rotol internal elements. If applied to original spinner, Montgomery Systems Tech., Inc. P/N 72196-2 will apply. If applied to a new aluminum nose spinner P/N 72196-1 will apply. Dowty Rotol Service Bulletin Section 61-170 pages 1 and 2 outlines a revised spinner de-icing system. This is a Napier external system. Approval of the A.R.B. is indicated. (Continued on page 3)
TC Nos.: 1A17, 7A1, A-814, A-817, A24EU
Models: BAE Systems (Operations) LimitedHS 748 Series 2A, HS 748 Series 2B Fokker ServicesF27 Mark 050, F27 Mark 100, F27 Mark 200, F27 Mark 300, F27 Mark 400, F27 Mark 500, F27 Mark 600, F27 Mark 700 Gulfstream Aerospace CorporationG-159 Maryland Air Industries Inc.F-27, F-27A, F-27B, F-27F Vickers-Armstrongs (Aircraft Limited)Viscount 745D, Viscount 810
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3104NM	Status: Historical	App Date: 05/24/1985	Rev Date: 11/04/1985
Description: Installation of a de-icing system externally on the Dowty Rotol propeller spinner.
TC Nos.: A1PC
Models: Mitsubishi Heavy Industries Ltd.YS-11, YS-11A-200, YS-11A-300, YS-11A-500, YS-11A-600
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3106NM	Status: Historical	App Date: 05/24/1985	Rev Date: 11/04/1985
Description: Installation of a de-icing system externally on the Dowty Rotol (C) 4CM/71 propeller spinner.
TC Nos.: A-793
Models: Kelowna Flightcraft R & D Ltd.240 Series
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3132NM	Status: Historical	App Date: 10/01/1983	Rev Date: 02/24/1986
Description: Installation of a de-icing system on the Hamilton Standard P/N 554654 propeller spinner.
TC Nos.: A1SO
Models: Lockheed Martin Corporation382, 382B, 382E, 382F, 382G
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA3407NM	Status: Historical	App Date: 06/19/1986	Rev Date: 07/10/1986
Description: Installation of a de-icing system on the Hamilton Standard P/N 560501 propeller spinner afterbody.
TC Nos.: A1SO
Models: Lockheed Martin Corporation382, 382B, 382E, 382F, 382G
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200

STC Holder: Montgomery Systems Tech Inc 14341 Chambers Road, Tustin, CA 92680, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4574NM	Status: Historical	App Date: 07/25/1989	Rev Date: 10/11/1989
Description: Installation of a de-icing system on the Rolls Royce P/N RK29954A or P/N RK48279A (MO) 1800 engine inlet cowl.
TC Nos.: A-817, A24EU
Models: BAE Systems (Operations) LimitedHS 748 Series 2A, HS 748 Series 2B Fokker ServicesF27 Mark 200, F27 Mark 400, F27 Mark 500, F27 Mark 600
ACO: Los Angeles ACO Branch, Tel: +1 (562) 627-5200