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1980 Cessna Conquest ITurboprop Aircraft • Liberal, KS, USA

This 1980 Cessna Conquest I, registration N425SB, serial number 425-0017, is offered at $750,000 and has logged 9,163 total hours on both the airframe and engines. The aircraft has been maintained to a high standard, with Yingling Aviation recently completing a $330,000 maintenance event that included installation of a spar strap (SK425-48), fuel cell sealing, and the Phase 2, 3, and D SID inspections, all of which are up-to-date and documented in a dedicated maintenance binder. Both engines have 5,678 hours since overhaul with 9,582 cycles (left) and 9,832 cycles (right) since overhaul, and TBO is set at 3,600 hours. The left propeller has...

Year
1980
Make
Cessna
Series
425 Conquest I
Model
Conquest I
Tail #
N425SB
Serial #
425-0017

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Specifications

Category
Turboprop
Intended Use
Business

Hours, Logs & Inspections

Total Time
9,163 hrs
Engine 1 Time
5,678 hrs (SNEW)
Engine 2 Time
5,678 hrs (SNEW)
Prop 1 Time
1,935 hrs (SNEW)
Prop 2 Time
1,350 hrs (SNEW)
Inspection Status
Phase 2, 3, & D 02-26. All Logs Trans/Altimeter Checks Done 03-25. Both Starter Generators 150 Hours Since Overhaul.

Avionics

GPS

Garmin GNS 530W - (1) GNS WAAS/Terrain (2) GNS WAAS

Weather

Garmin GDL 69A - GDL Weather

Traffic

Avidync TAS 620 - TAS Traffic System

ADSB

Garmin GTX330 - Transponder/Encoder/ADB-S Out

PFD

Garmin 600XTi - PFD

Audio

Garmin GMA 340 - GMA Audio Panel/Intercom

AP

Genesys 3100 - AP/FD (upgraded from a 2100 system)

Additional Equipment

Standby Indicator

Garmin 275 - Standby Indicator

Fuel Flow Indicator

Power Ports

Known Icing

Windshield

Glass Windshield

Battery

Lead Acid Battery

Propellers

Four Blade Propellers

Strake

AFT Body Strakes

Interior & Exterior

Interior Notes
Recently upholstered King Ranch distressed leather seats in very good condition. The carpet shows some signs of wear, while the side panels and headliner remain in good shape. Window covers also display some wear.
Exterior Notes
Paint is showing some wear, but is still serviceable.

Engine & Propeller

Engine Type
Turboprop
Engine Count
2
Engine Model
AIRESEARCH TPE331

Asking Price

$750,000

Aircraft Location

Liberal, KS, USA

Listing Details

Used
For Sale

Price History

May 13, 2026: $750,000(+$75,000) - controller

Mar 7, 2026: $675,000 - controller

Contact Seller

First Seen: Mar 7, 2026

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Asking Price

$750,000