Mid-Continent Instruments & Avionics Cessna
| Make | Mid-Continent Instruments & Avionics |
|---|---|
| Model | Cessna |
| Condition | Used |
| Location | Goleta, CA , US |
| Date Listed | Aug 4, 2026 |
| Expires | Sep 3, 2026 |
Description
Mid-Continent Instruments & Avionics Cessna — $105.
Specs
- Make / Model: Mid-Continent Instruments & Avionics Cessna
- Condition: Used
- Location: Goleta, CA
Summary
Serial Number : M20416. Serial Number:M20416. This is the primary pilot interface for setting course and heading on many legacy HSI systems. Beech Bonanza / Baron / Duke (with Mid-Continent HSI upgrades).
Description
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)
Mid-Continent
Cessna
Piper
Beech Bonanza / Baron / Duke (with Mid-Continent HSI upgrades)
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
Notes mid-continent md189-1, hsi control switch, md189-1 hsi knob, mid continent heading bug, hsi course selector, cessna hsi switch, piper autopilot hsi control, beech baron hsi knob, mid-continent avionics switch, 28v hsi control assembly, certified hsi switch
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