Image 1 - Click to open in full screen viewerListing image

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

This 1978 Beechcraft C23 Sundowner 180, registration N5101M, presents as a well-maintained and recently upgraded aircraft with a total time of 5,541 hours. Its 180 HP Lycoming O-360-A4K engine has 652 hours since major overhaul, and the propeller has 652 hours since new. A significant recent investment is highlighted by the Powerflow Exhaust System, along with a comprehensive list of new components including magnetos, harnesses, spark plugs, all engine hoses and scat ducting, baffle seals, an overhauled brake system, a new tachometer, throttle cable, carb heat valve, and new EI oil pressure/temperature and EGT gauges.

The avionics suite...

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

Find similar aircraft

Specifications

Category
Single-Engine Piston
Intended Use
Recreational
Flight Rules
IFR
Useful Load
921 lbs
Seats
4

Hours, Logs & Inspections

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

Avionics

Audio

King KMA 20 - KMA Audio Panel

Comms

King KX170B - Dual Nav/Comms

ADSB

Uavionix Tail Beacon - ADSB Out

Additional Equipment

Exhaust System

Powerflow Exhaust System

Intercom

4 Place Intercom

Engine Monitoring System

EI Oil Pressure/Temp Gauge - New EI New EI EGT

Landing Lights

Dual Landing Lights

Beacon

Rotating Beacon

Tow Bar

Air Filter

Bracket Air Filter

Hub Caps

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

$89,500

Aircraft Location

Byron, CA, USA

Listing Details

Used
For Sale

Price History

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

Dec 10, 2025: $84,500(-$3,500) - trade-a-plane

Nov 19, 2025: $88,000 - trade-a-plane

Contact Seller

First Seen: Nov 19, 2025

Similar Beechcraft Sundowner Aircraft For Sale

1978 BEECHCRAFT C23 SUNDOWNER 180
6

1978 Beechcraft C23 Sundowner 180

$115,000
Copper Canyon, TX, USA
Total Time
4,014 hrs
Engine Time
604 hrs
Prop Time
Unspecified
Tail #
N5102M
Flight Rules
IFR
Useful Load
884.5 lbs
GPSGarmin GNS 430 WAASADSBStratus ESG
1979 BEECHCRAFT C23 SUNDOWNER 180
20

1979 Beechcraft C23 Sundowner 180

$136,900
Salinas, CA, USA
Total Time
5,374 hrs
Engine Time
67 hrs
Prop Time
Unspecified
Tail #
N132P
Flight Rules
VFR & IFR
Useful Load
946 lbs
APSTEC 40GPSGarmin GNS 430W +1ADSBGarmin GTX 345PFDGarmin GI-106B +1EMSCGR-30P
1976 BEECHCRAFT C23 SUNDOWNER 180
12

1976 Beechcraft C23 Sundowner 180

$99,500
Osceola, WI, USA
Total Time
3,105 hrs
Engine Time
374 hrs
Prop Time
374 hrs
Tail #
N5300P
Flight Rules
VFR
Useful Load
865 lbs
GPSKing KLN 89BEMSJPI EDM 700
1976 BEECHCRAFT C23 SUNDOWNER 180
16

1976 Beechcraft C23 Sundowner 180

$99,950
Sparta, TN, USA
Total Time
2,417 hrs
Engine Time
1,117 hrs
Prop Time
Unspecified
Tail #
N1940L
Flight Rules
IFR
Useful Load
Unspecified
GPSGarmin GNS 430W +3ADSBGarmin GTX 337 +1
1976 BEECHCRAFT C23 SUNDOWNER 180
14

1976 Beechcraft C23 Sundowner 180

$108,000
San Marcos, TX, USA
Total Time
3,100 hrs
Engine Time
1,137 hrs
Prop Time
Unspecified
Tail #
N2050L
Flight Rules
VFR
Useful Load
Unspecified
ADSBGarmin GTX-327EMSElectronics Int'l CGR-30P +3
1975 BEECHCRAFT C23 SUNDOWNER 180
10

1975 Beechcraft C23 Sundowner 180

$114,950
FL, USA
Total Time
3,620 hrs
Engine Time
1,720 hrs
Prop Time
755 hrs
Tail #
N9283S
Flight Rules
VFR & IFR
Useful Load
887 lbs
APGarmin GFC 500GPSGarmin GNS 530WADSBGarmin GTX 345PFDGarmin G5 PFDMFDGarmin G5 MFDEMSEI EDM 930

Looking for more Beechcraft Sundowners?

Find the perfect Beechcraft Sundowner for you. Browse over 5,000 aircraft for sale and filter by specifications, avionics, useful load, and more...

Asking Price

$89,500