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1973 CESSNA 421B
Starts from the median asking price of 18 comparable Cessna 421B listings ($329,000), then adjusts for:
- Airframe time +1,226 hr vs comps -2.5%
- Engine time -287 hr vs comps +4.0%
- Modern GPS navigator (78% of comps) +3.1%
- No Autopilot (83% of comps have one) -2.5%
- No ADS-B (67% of comps have one) -1.7%
- Market supply: 18 for sale of 224 FAA-registered -1.7%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | Cessna 421B |
|---|---|
| Type | Multi-Engine Piston |
| Airframe time | 7,893 hrs |
| Engine time | 564 SMOH |
| Prop blades | 3 |
| Avionics / GPS | Garmin GNS 430 |
| Avionics / Audio panel | Garmin GMA345 |
| Annual | August 2025 |
| Inspection | Annual |
| Airworthy | Yes |
Description
1973 Cessna 421B – Low-Time, Turnkey 421B — Garmin Upgrades, Fresh Annual Experience the perfect blend of performance, comfort, and capability with this beautifully maintained 1973 Cessna 421B Golden Eagle. Featuring modern paint, an updated interior, and low total and engine times, this aircraft stands out as a turnkey option for owners seeking pressurized twin performance and Garmin-equipped reliability. Make an offer! Highlights: Low Total Time — Only 7,893 Hours Since New Fresh Annual Inspection Completed August 2025 Low-Time Continental GTSIO-520 Engines (564 / 369 SMOH) Garmin Avionics Suite with Dual 430W’s, GTX 345, and GMA 345 EDM 960 Engine Monitor and Shadin Digital Fuel Flow System Modern 2016 Paint in Matterhorn White with Gold, Maroon, and Black Accents Refreshed 2016 Interior with Premium Ultraleather, Honeycomb Carpet, and SoundEx Insulation Equipped with Vortex Generators for Enhanced Performance and Handling Complete Logs and Excellent Maintenance History Pressurized Twin Comfort with Proven Cessna Reliability
Avionics
Shadin digital fuel flow EDM 960 engine monitor Dual Garmin 430w's Garmin GMA 345 Audio Panel Garmin GTX 345
Recommended avionics upgrades
A GNS 430 upgrades naturally to the GTN 650Xi — same footprint, touchscreen GPS/nav/comm with LPV approaches.
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…
How this aircraft compares
Where this Cessna 421B lands versus other Cessna 421B listings on fyiAero.
Price
44th pct$299k · 44th percentile of 18 listings
Airframe time
79th pct7,893 hours total (TTAF) · 79th percentile of 19 listings
Engine time (Engine 1)
53rd pct564 hours since major overhaul · 53rd percentile of 19 listings
Engine time (Engine 2)
16th pct369 hours since major overhaul · 16th percentile of 19 listings
Percentile = share of comparable listings at or below this value. Lower airframe/engine hours are generally fresher; price reflects the asking price only.
General
| Year | 1973 |
|---|---|
| Manufacturer | CESSNA |
| Model | 421B |
| Serial Number | 421B0478 |
| Registration # | N77EP |
| Condition | Used |
| Based at | TCL |
Airframe
| Total Time | 7,893 |
|---|---|
| Complete Logs | Yes |
Engine 1
| Engine 1 Make/Model | CONTINENTAL GTSIO520 |
|---|---|
| Engine 1 Serial Number | 600517 |
| Engine 1 Time | 564 SMOH |
| Engine 1 TBO | 1600 |
| Engine 1 Turbocharged | Yes |
Engine 2
| Engine 2 Make/Model | CONTINENTAL GTSIO520 |
|---|---|
| Engine 2 Time | 369 SMOH |
| Engine 2 TBO | 1600 |
Props
| Prop 1 Manufacturer | MCCAULEY |
|---|---|
| Prop 1 Time | 3 SMOH |
| Prop 2 Manufacturer | MCCAULEY |
| Prop 2 Time | 893 SMOH |
| Number of Blades | 3 |
Avionics
| Avionics/Radios | Shadin digital fuel flow EDM 960 engine monitor Dual Garmin 430w's Garmin GMA 345 Audio Panel Garmin GTX 345 |
|---|
Modifications/Conversions
| Vortex Generators | Yes |
|---|
Interior
| Year Interior | 2022 |
|---|
Exterior
| Year Painted | 2016 |
|---|
Inspection Status
| Inspection Status | Annual completed August 2025 |
|---|---|
| Airworthy | Yes |
Operating costs & specifications — Cessna 421
Typical model-level figures for the Cessna 421 (not this specific airframe).
Performance & dimensions
| Range | 826 nm |
|---|---|
| Cruise speed | 222 kts · 255 mph |
| Takeoff / landing | 2012.0 / 1045.0 |
About this plane
Twin engine piston aircraft with retractable landing gear. The 421 seats up to 6 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 N77EP. More flight tracking ›
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