1973 Beech Sundowner C-23
Starts from the median asking price of 105 comparable Beechcraft Single-Engine Piston listings ($249,000), then adjusts for:
- Year -3 vs comparable listings -4.5%
- No Modern GPS navigator (63% of comps have one) -2.9%
- No Autopilot (77% of comps have one) -1.4%
- No ADS-B (70% of comps have one) -1.8%
- Market supply: 3 for sale of 456 FAA-registered +4.4%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | Beechcraft C23 SUNDOWNER |
|---|---|
| Type | Single-Engine Piston |
| Airframe time | — |
Description
1973 Beech Sundowner C-23 aircraft listing.
Modifications
Back Loading aircraft photos 0 Photos $89,950 1973 Beech Sundowner C-23 S/N: M-1499 R/N: N2125W 3,253 Total Hours California, United States Compare Email to Friend Date Listed: Sep 17, 2026 An Important Note About Buying An Aircraft Aircraft Shopper Online takes internet fraud very seriously. Before completing any transaction, please review our fraud prevention guidelines to protect yourself. Read our Fraud Alert → Report This Ad Listed By Seller information unavailable Location Not listed Website Not listed Public seller details are not available for this listing yet. Seller listings unavailable Finance Calculator $667 Est. monthly payment Down payment 20% · $17,990 Loan term 15 years Interest rate 7.50% Loan amount $71,960 Total interest $48,114 View Detailed Calculator Get Pre-Approved For illustrative purposes only. Actual rates and terms may vary.
Recommended avionics upgrades
No IFR GPS navigator is listed — a GTN 650Xi is the standard entry point for WAAS/LPV capability.
See prices & suppliers ›No autopilot is listed — a GFC 500 (or S-TEC 3100 / Trio Pro Pilot where the GFC isn't STC'd) adds a modern digital autopilot with envelope protection, subject to model approval.
See prices & suppliers ›No ADS-B is listed — a GTX 345 delivers required ADS-B Out plus In (traffic & weather) in one transponder.
See prices & suppliers ›Suggestions are based on the panel described in this listing; verify STC approval for this make/model before any installation.
Service Difficulty Reports (SDRs)
Checking FAA service difficulty reports…
Airworthiness Directives (ADs)
Checking airworthiness directives…
Operating costs & specifications — Beechcraft C23 Sundowner
Typical model-level figures for the Beechcraft C23 Sundowner (not this specific airframe).
Performance & dimensions
| Range | 565 nm |
|---|---|
| Cruise speed | 116 kts · 133 mph |
| Takeoff / landing | 1130.0 / 703.0 |
About this plane
Single engine piston aircraft with fixed landing gear. The C23 Sundowner seats up to 3 passengers plus 1 pilot.
Range from base
Still-air range ring — type an aircraft to change it. Compare aircraft on the Range tool ›
Last flight
Actual flight path from FlightAware for N2125W. More flight tracking ›
