Cessna/Mid-Continent HSI Control Switch MD189-1 SN: M20416 *Tested Good For Sale

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Cessna/Mid-Continent HSI Control Switch MD189-1 SN: M20416 *Tested Good:
$99.00

Mid-Continent HSI Control Switch PN MD189-1 SN M20416 N1850R

– Tested Serviceable w Yellow Tag

HSI Heading / Course Control Knob • Certified Tested • Mid-Continent Avionics

• Brand: Mid-Continent Instruments & Avionics
• Manufacturer Part Number: MD189-1
• Serial Number: M20416
• Compatible Aircraft Make: Various (Cessna, Piper, Beech, etc.)
• Condition: Used – Certified Working / Tested
• Certification: Tested / Serviceable
• Type: HSI Control Switch / Heading Bug Knob

Genuine Mid-Continent Instruments HSI (Horizontal Situation Indicator) control switch / heading bug knob assembly. This is the primary pilot interface for setting course and heading on many legacy HSI systems.

Key Details

• Exact P/N: MD189-1
• Serial Number: M20416
• Function: Heading/course selector knob & switch assembly
• Compatible with numerous Mid-Continent / RCA / BendixKing HSIs
• Clean contacts, smooth rotation, positive detents

Condition & Certification

• Minor cosmetic wear
• Certified serviceable by avionics shop – ready to install

Fits These Systems / Aircraft (common applications)

Why This One?

• Verified MD189-1 with serial number traceability
• Certified tested working – not just “as removed”
• Complete unit – no missing parts or damage
• Perfect for panel restoration, annual, or spare

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Cessna/Mid-Continent HSI Control Switch MD189-1 SN: M20416 *Tested Good

$99.00