Instruments
ATA · 10016 parts
Instruments brings together the parts, hardware, and consumables your maintenance program calls out for this system. Each listing shows its condition and the certification paperwork available for that part, from new PMA/OEM stock to overhauled and serviceable units, so you can confirm airworthiness before buying and request an FAA 8130-3 or manufacturer Certificate of Conformance where one applies.
Annunciation Control Unit/24 Pole Remote Relay, Horizontal, 5V. For use with FreeFlight (Trimble) 2000APR and 2101 models. MD41-1628
P/N MD41-1628
NE
Quote only
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Annunciation Control Head/28 V, Horizontal. For use with FreeFlight (Trimble) 2000 Apr and 2101 models. MD41-1628
P/N MD41-1628
NE
Quote only
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Annunciation Control Unit for TB17 Aviation Battery. MD41-1817
P/N MD41-1817
NE
Ati
$969.03
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/28V, Horizontal, with Remote Relay. For use with Honeywell KLN-900 models. MD41-1928
P/N MD41-1928
NE
Ati
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Annunciation Control Unit/5V, Horizontal, with Remote Relay. For use with Honeywell KLN-900 models. MD41-1928
P/N MD41-1928
NE
Ati
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Annunciation Control Unit/Control head only. 28V, Horizontal. For use with Honeywell KLN-900 models. MD41-1928
P/N MD41-1928
NE
Ati
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Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Honeywell KLN-90B models. MD41-328
P/N MD41-328
NE
Ati
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Annunciation Control Unit/28V, Vertical, with Internal Relay. For use with Honeywell KLN-90B models. md41-338
P/N md41-338
NE
Ati
Quote only
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Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Garmin GPS 155 and 165 models. MD41-428 Experimental Only
P/N MD41-428
NE
$1,665.49
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/14V Horizontal, with Internal Relay. For use with Garmin GPS155XL and GNC300XL models. MD41-444 Experimental Only
P/N MD41-444
NE
$1,713.99
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Garmin GPS155XL and GNC300XL models. MD41-448 Experimental Only
P/N MD41-448
NE
$1,713.99
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/14V, Horizontal, with Internal Relay. For use with Honeywell KLN-89B/94 models. MD41-524
P/N MD41-524
NE
Ati
Quote only
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Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Honeywell KLN-89B/94 models. MD41-528
P/N MD41-528
NE
Ati
$1,564.61
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/5V, Horizontal, with Internal Relay. For use with Honeywell KLN-89B/94 models. MD41-528
P/N MD41-528
NE
Ati
$1,564.61
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/28V, Horizontal, with internal relay. For use with FreeFlight (Trimble) 2000 Apr and 2101 models. MD41-628
P/N MD41-628
NE
$1,853.99
In stock
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Honeywell KLN-900 models. MD41-928
P/N MD41-928
NE
Ati
Quote only
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Annunciation Control Unit/5V, Horizontal, with Internal Relay. For use with Honeywell KLN-900 models. MD41-928
P/N MD41-928
NE
Ati
Quote only
Backorder
Annunciation Control Unit/28V, Vertical, with Internal Relay. For use with Honeywell KLN-900 models. MD41-938
P/N MD41-938
NE
Ati
Quote only
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Annunciation Control Unit/5V, Vertical, with Internal Relay. For use with Honeywell KLN-900 models. MD41-938
P/N MD41-938
NE
Ati
Quote only
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GPS400/GNC420 S/L Acu/Hor/5V MD41-1408A(5V)
P/N MD41-1408A(5V)
NE
Mid-Continent
Quote only
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Annunciation Control Unit/24 Pole Remote Relay, Horizontal, 5V. For use with FreeFlight (Trimble) 2000APR and 2101 models. MD41-1628
NE
P/N MD41-1628
Quote only
Backorder
Annunciation Control Head/28 V, Horizontal. For use with FreeFlight (Trimble) 2000 Apr and 2101 models. MD41-1628
NE
P/N MD41-1628
Quote only
Backorder
Annunciation Control Unit for TB17 Aviation Battery. MD41-1817
NE
P/N MD41-1817
Ati
$969.03
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/28V, Horizontal, with Remote Relay. For use with Honeywell KLN-900 models. MD41-1928
NE
P/N MD41-1928
Ati
Quote only
Backorder
Annunciation Control Unit/5V, Horizontal, with Remote Relay. For use with Honeywell KLN-900 models. MD41-1928
NE
P/N MD41-1928
Ati
Quote only
Backorder
Annunciation Control Unit/Control head only. 28V, Horizontal. For use with Honeywell KLN-900 models. MD41-1928
NE
P/N MD41-1928
Ati
Quote only
Backorder
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Honeywell KLN-90B models. MD41-328
NE
P/N MD41-328
Ati
Quote only
Backorder
Annunciation Control Unit/28V, Vertical, with Internal Relay. For use with Honeywell KLN-90B models. md41-338
NE
P/N md41-338
Ati
Quote only
Backorder
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Garmin GPS 155 and 165 models. MD41-428 Experimental Only
NE
P/N MD41-428
$1,665.49
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/14V Horizontal, with Internal Relay. For use with Garmin GPS155XL and GNC300XL models. MD41-444 Experimental Only
NE
P/N MD41-444
$1,713.99
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Garmin GPS155XL and GNC300XL models. MD41-448 Experimental Only
NE
P/N MD41-448
$1,713.99
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/14V, Horizontal, with Internal Relay. For use with Honeywell KLN-89B/94 models. MD41-524
NE
P/N MD41-524
Ati
Quote only
Backorder
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Honeywell KLN-89B/94 models. MD41-528
NE
P/N MD41-528
Ati
$1,564.61
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/5V, Horizontal, with Internal Relay. For use with Honeywell KLN-89B/94 models. MD41-528
NE
P/N MD41-528
Ati
$1,564.61
Price and availability checked Nov 14, 2026 MST
Backorder
Annunciation Control Unit/28V, Horizontal, with internal relay. For use with FreeFlight (Trimble) 2000 Apr and 2101 models. MD41-628
NE
P/N MD41-628
$1,853.99
In stock
Price check pending
Annunciation Control Unit/28V, Horizontal, with Internal Relay. For use with Honeywell KLN-900 models. MD41-928
NE
P/N MD41-928
Ati
Quote only
Backorder
Annunciation Control Unit/5V, Horizontal, with Internal Relay. For use with Honeywell KLN-900 models. MD41-928
NE
P/N MD41-928
Ati
Quote only
Backorder
Annunciation Control Unit/28V, Vertical, with Internal Relay. For use with Honeywell KLN-900 models. MD41-938
NE
P/N MD41-938
Ati
Quote only
Backorder
Annunciation Control Unit/5V, Vertical, with Internal Relay. For use with Honeywell KLN-900 models. MD41-938
NE
P/N MD41-938
Ati
Quote only
Backorder
GPS400/GNC420 S/L Acu/Hor/5V MD41-1408A(5V)
NE
P/N MD41-1408A(5V)
Mid-Continent
Quote only
Backorder