1965 Learjet 23
Light Jet
Aircraft Details
Seller reportedDescription
The ONLY AIRWORTHY, Standard Classification, Normal Category Lear Jet 23 IN THE WORLD! Original engines, sequential in serial number! Original N-Number with which it left the factory: N477K No brokers, please. N477K is as useful and gorgeous as the day she left the factory: July 16, 1965. Meets all FAA maintenance and operational equipment standards 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 Equipped with the ONLY SET of FAA-approved Stage 3-compliant hush kits EVER made for a Lear Jet 23 Equipped with Avcon RVSM STC, Garmin ADS-B, GPS and TAWS Room for six passengers and two pilots Flew Brigitte Bardot and Gunter Sachs to their wedding in Las Vegas on July 14, 1966 All Airworthiness Directives are current Major landing gear Inspection due in 897 landings FAR 91.411 Certification completed in June 2025 FAR 91.413 Certification completed in March 2025 ELT battery replaced in June 2025 New tires installed in June 2025 EROS oxygen masks installed in June 2025 Main batteries replaced in June 2025 New emergency power supply in June 2025 New Teflon/stainless fuel, air and hydraulic hoses in June 2025 New flapper valves in June 2025 Oxygen bottle hydrostatic test due in January 2030 Emergency air bottle hydrostatic test due in July 2030, emergency air bottle scrap in July 2039 Painted in 2000 New interior in 1999 Seems to have the original passenger seat frames (mid-century, high-backed) Hangared continuously since 1999 Aircraft total time: 5,527 hours Aircraft landings: 5,103 Left engine time since new: 4,818 Left engine time since overhaul: 3,062 (1,938 hours remaining) Left engine time since hot section inspection: 352 (648 hours remaining) Left engine 5-year corrosion inspection completed in June 2025 Left engine 600-hour inspection: 248 hours remaining Left engine 300-hour inspection: 288 hours remaining Right engine time since new: 4,681 Right engine time since overhaul: 2,925 (2,075 hours remaining) Right engine time since hot section inspection: 896 (104 hours remaining) Right engine 5-year corrosion inspection completed in June 2025 Right engine 600-hour inspection: 471 hours remaining Right engine 300-hour inspection: 288 hours remaining
Interior
in 1999 Seems to have the original passenger seat frames (mid-century, high-backed) Hangared continuously since 1999 Avcon RVSM, Garmin ADS-B and Garmin 530 with TAWS Aircraft total time: 5,527 hours Aircraft landings: 5,103 Left
Description and equipment details provided by the seller. AeroGurus does not verify seller-provided information.
Price Comparison 1 active offer
| Source | Price | Location | Listed | Days on Market | Status | Action |
|---|---|---|---|---|---|---|
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Learjet 23
trade-a-plane.com
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Contact for Price
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— | Mar 20, 2026 | — | Active |
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AeroGurus Data & Analysis
Independent data from FAA, NTSB, and market analysis
About This Learjet 23
This 1965 Learjet 23 (N477K) is a 6-seat light jet with 5,527 hours on the airframe.
NTSB records show 0 incidents for this airframe — a clean safety record. There are 7 airworthiness directives applicable to this aircraft type — review AD compliance carefully before purchase.
Pre-Purchase Checklist
Ownership & Registration
FAA registration data pending for N477K.
Location & Ownership
Aircraft Location
Location not available
Title Status
No FAA title records
Available for US-registered aircraft only
Source: FAA Aircraft Registry, FAA Civil Aviation Registry (DocIndex). Title data may be delayed. Always verify with an aviation attorney before purchase.
Safety Record
NTSB safety data coming soon.
We'll check N477K against the NTSB accident database.
Airworthiness Directives — Learjet 23
ADs are mandatory safety instructions issued by the FAA. 7 recent ADs found for this aircraft type.
Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes
View full AD →Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, and 25F Airplanes
View full AD →Learjet Model 23, 24, 24A, 24B, 24B-A, 24D, 24D-A, 24E, 24F, 25, 25A, 25B, 25C, 25D, and 25F Airplanes Modified by Supplemental Type Certificate SA1731SW, SA1669SW, or SA1670SW
View full AD →Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B, 25C, 25D, 25F, 28, 29, 31, 31A, 35, 35A (C-21A), and 36 Airplanes
View full AD →Learjet Model 23, 24, 25, 28, 29, 31, 35, 36, and 55 Series Airplanes
View full AD →Learjet Model 23, 24, 25, 28, 29, 31, 55, and 60 Series Airplanes
View full AD →Source: FAA Airworthiness Directives database. Showing most recent ADs for this aircraft type.
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