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1965 Learjet 23Jet Aircraft • USA

This 1965 Lear Jet 23, registration N477K, is presented as the only airworthy, Standard Classification, Normal Category Lear Jet 23 in the world. The aircraft has a total time of 5,526 hours and has had its A, B, C, D, and 12-year airframe inspections completed in June 2025. It is equipped with FAA-approved Stage 3-compliant hush kits, Avcon RVSM, Garmin ADS-B, a Garmin 530 with GPS and TAWS, and holds current FAR 91.411 and 91.413 certifications. The useful load is 5,310 lb, and the cabin is configured for two pilots and six passengers.

The aircraft's maintenance status is highly current, with both engines having their 5-year corrosion...

Year
1965
Make
Learjet
Series
23
Model
23
Tail #
N477K
Serial #
23-036

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Specifications

Category
Jet
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
5,310 lbs
Seats
8

Hours, Logs & Inspections

Total Time
5,526 hrs
Engine 1 Time
3,061 hrs (SMOH)
Engine 2 Time
2,925 hrs (SMOH)
Prop 1 Time
351 hrs
Prop 2 Time
895 hrs
Inspection Status
A, B, C, D and 12-year airframe inspections completed at Trine Aerospace in June 2025. 5-year engine corrosion inspections completed by Excel Turbines in June 2025. Airworthiness Directives are current. FAR 91.411 Certification completed in June 2025. FAR 91.413 Certification completed in March 2025.

Avionics

GPS

Garmin GNS 530 - GNS with TAWS

ADS-B Out

Garmin ADS-B

Weather

TAWS

Additional Equipment

Hush Kits

FAA-approved Stage 3-compliant hush kits

RVSM

Avcon RVSM

TAWS

Oxygen System

EROS - New EROS oxygen masks in June 2025, Oxygen bottle hydro due in January 2030

Emergency Power

New emergency power supply in June 2025

ELT

ELT battery replaced in June 2025

Interior & Exterior

Interior Rating
8/10
Interior Year
1999
Paint Rating
8/10
Paint Year
2000
Interior Notes
New interior in 1999
Exterior Notes
Painted in 2000

Engine & Propeller

Engine Type
Jet
Engine Count
2

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Aircraft Location

USA

Listing Details

Used
For Sale

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First Seen: Oct 1, 2025

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