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1976 CESSNA 421C
Starts from the median asking price of 64 comparable Cessna 421C listings ($440,000), then adjusts for:
- Year -3 vs comparable listings -4.5%
- Airframe time -886 hr vs comps +1.8%
- Engine time -506 hr vs comps +7.1%
- No Modern GPS navigator (75% of comps have one) -10.4%
- No Autopilot (69% of comps have one) -2.1%
- ADS-B (61% of comps) +1.0%
- Market supply: 68 for sale of 497 FAA-registered -5.0%
Shown as a range. An estimate from asking-price comparables and FAA supply data — not an appraisal.
Overview
| Make / Model | Cessna 421C |
|---|---|
| Type | Multi-Engine Piston |
| Airframe time | 5,321 hrs |
| Engine time | 356.1 SNEW |
| Prop blades | 3 |
| Avionics / Primary flight display | Davtron M803 |
| Avionics / GPS / datalink | Garmin GNS-530W |
| ADS-B | Yes |
| Annual | October 2026 |
| Inspection | Annual |
Description
F.A.R. 91.411, 91.413 c/w April 2025 F.A.R. 91.207d (1) - (4) c/w April 2025 Annual Inspection c/w April 2025 Heater decay test c/w April 2025 O2 hydro test c/w June 2024 Nitro blown down bottle hydro test c/w 12/2015 New heater ignition unit 11/2023 Heater O/H'ed 11/2019 Nose gear actuator O/H'ed 3/2016 RH main gear actuator O/H'ed 4/2010 R12 Freon AC-still runs cold New flaps' gear box drive motor April 2010 New LH nacelle fuel bladder and LH wet wing resealed 3/2005 RH engine beam cap replaced in RH nacelle 3/2000 New windshields, new deice boots, paint all in October 1998
Avionics
PMA8000B Audio/ICS GNS-530W KY-196/KNS-80 AreaNav Flightmax 450 MFD w/ Bendix Wx radar E.I. Gemini 1200 G.E.M. w/ F/F Davtron M803 Chronometer Insight Avionics' SF 2000 lightning detector
Recommended avionics upgrades
A GNS 530 is a drop-in upgrade to the GTN 750Xi — bigger touchscreen, WAAS/LPV, and modern nav/comm/MFD.
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 ›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 421C lands versus other Cessna 421C listings on fyiAero.
Price
12th pct$275k · 12th percentile of 64 listings
Airframe time
40th pct5,321 hours total (TTAF) · 40th percentile of 67 listings
Engine time (Engine 1)
18th pct356 hours since new · 18th percentile of 65 listings
Engine time (Engine 2)
17th pct112 hours since major overhaul · 17th percentile of 65 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 | 1976 |
|---|---|
| Manufacturer | CESSNA |
| Model | 421C |
| Serial Number | 421C0047 |
| Registration # | N421TT |
| Condition | Used |
| FlightRules | IFR |
| Based at | KBIL |
Airframe
| Total Time | 5,321.3 |
|---|---|
| Max Takeoff Weight | 7,450 lb |
| Basic Empty Weight | 5,236.25 lb |
| Useful Load | 2,213.75 lb |
| Auxiliary Fuel Tank | Yes |
| Complete Logs | Yes |
Engine 1
| Engine 1 Make/Model | CONTINENTAL GTSIO520L1BN |
|---|---|
| Engine 1 Serial Number | 1044970 |
| Engine 1 Horsepower | 375 HP |
| Engine 1 Time | 356.1 SNEW |
| Engine 1 TBO | 1600 |
| Year Engine 1 Overhauled or Installed as New | 2023 |
| Engine 1 Time Remaining To Overhaul | 1243.9 |
| Engine 1 Turbocharged | Yes |
Engine 2
| Engine 2 Make/Model | CONTINENTAL GTSIO520L |
|---|---|
| Engine 2 Serial Number | 272192-R |
| Engine 2 Horsepower | 374 HP |
| Engine 2 Time | 112.3 SMOH |
| Engine 2 TBO | 1600 |
| Year Engine 2 Overhauled or Installed as New | 2025 |
| Engine 2 Time Remaining To Overhaul | 1487.7 |
| Engine 2 Turbocharged | Yes |
Props
| Prop 1 Manufacturer | MCCAULEY |
|---|---|
| Prop 1 Model | 3FF32C501-A |
| Prop 1 Time | 402.5 SOH |
| Prop 2 Manufacturer | MCCAULEY |
| Prop 2 Model | 3FF32C501-A |
| Prop 2 Time | 402.5 SOH |
| Number of Blades | 3 |
| Blade Composition | Aluminum |
| Props Sync | Yes |
Avionics
| GPS 1 Manufacturer/Model | GARMIN GNS530W |
|---|---|
| Transponder 1 Manufacturer/Model | GARMIN GTX345 |
| Autopilot Manufacturer/Model | ARC |
| ADS-B Equipped | Yes |
| WAAS | Yes |
| LPV | Yes |
| Yaw Damper | Yes |
| Engine Monitor | Yes |
| Avionics/Radios | PMA8000B Audio/ICS GNS-530W KY-196/KNS-80 AreaNav Flightmax 450 MFD w/ Bendix Wx radar E.I. Gemini 1200 G.E.M. w/ F/F Davtron M803 Chronometer Insight Avionics' SF 2000 lightning detector |
Additional Equipment
| Pressurized | Yes |
|---|---|
| Oxygen System | Yes |
| A/C | Yes |
Interior
| Number of Seats | 8 |
|---|---|
| Configuration | Passenger |
Exterior
| Year Painted | 1998 |
|---|
Inspection Status
| Inspection Status | Delivering with Fresh Annual as of October 2026. 91.411, 91.413, 91.207d all c/w April 2025 O2 tank hydro c/w June 2024 Nitro tank hydro c/w 12/2015 |
|---|
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 N421TT. More flight tracking ›
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