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1978 Beechcraft C23 Sundowner 180Single-Engine Piston Aircraft • CA, USA

This 1978 Beechcraft C23 Sundowner 180, registration N5101M and serial number M-2033, is a California-based, hangar-kept aircraft with a total time of 5,541 hours. It is powered by a Lycoming O-360-A4K 180 HP engine with 652 hours since major overhaul (SMOH) and the same time since new on the propeller. The airframe and engine have no damage history, no hail, and no corrosion, with complete logs since new and California/Oregon history. A November annual was recently completed, along with pitot/static checks.

The aircraft features a notable Powerflow Exhaust System, a $6,900 upgrade, and an IFR-certified panel including dual King KX170B...

Year
1978
Make
Beechcraft
Series
Sundowner
Model
C23 Sundowner 180
Tail #
N5101M
Serial #
M-2033

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Specifications

Category
Single-Engine Piston
Intended Use
Training
Flight Rules
IFR
Useful Load
871 lbs
Seats
4

Hours, Logs & Inspections

Total Time
5,541 hrs
Engine 1 Time
652 hrs (SMOH)
Prop 1 Time
652 hrs (SNEW)
Inspection Status
November Annual. Pitot/Static Checks Just Completed.

Avionics

Audio

King KMA 20 - KMA Audio Panel

Comms

King KX 170B - Dual Nav/Comms

ADSB

uAvionix TailBeacon - ADSB

GPS

King ADF

Additional Equipment

Exhaust System

Powerflow Exhaust System

Intercom

4 Place Intercom

Magnetos

New Magnetos, Harnesses and Spark Plugs

Engine Hoses

All New Engine Hoses and Scat Ducting

Baffle Seals

New Baffle Seals

Brake System

Overhauled Brake Master Cylinders and New Hoses at Master Cylinder and Calipers

Tachometer

New Tachometer

Throttle Cable

New Throttle Cable

Carburetor Heat Valve

New Carb Heat Valve

Engine Instruments

New EI Oil Pressure/Temp Gauge, New EI EGT Gauge/System

Fuel System

60 Gallons Fuel Capacity

Trim

Electric Trim

Interior & Exterior

Interior Year
1978
Paint Year
1978
Interior Notes
Original Interior in Very Good Condition. No Tears, Rips, or Worn Spots. Brown Tweed and Vinyl. Carpet is Faded but Serviceable.
Exterior Notes
Original Exterior Paint in Excellent Condition. White with Burgundy Red Stripes.

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Lycoming
Engine Model
O-360-A4K
Engine Power
180 HP

Asking Price

$69,500

Aircraft Location

CA, USA

Listing Details

Used
For Sale

Price History

May 4, 2026: $69,500(-$10,000) - trade-a-plane

Apr 22, 2026: $79,500(-$10,000) - trade-a-plane

Mar 22, 2026: $89,500(+$5,000) - trade-a-plane

+2 more price changes

Contact Seller

First Seen: Nov 19, 2025

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Asking Price

$69,500