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1972 Cessna 172/180 ConversionSingle-Engine Piston Aircraft • Livermore, CA, USA

This 1972 Cessna 172L Skyhawk, registration N3951Q, has been modified with an Avoan Industries 180hp Lycoming O-360-A1A engine, converting it to a 180 HP 172/180 configuration. The airframe has accumulated 5777 hours total time since new, with the engine and Hartzell propeller both showing 1928 hours since major overhaul, performed in June 2001 and April 2001, respectively. The aircraft has been hangar kept in the dry climate of northeast California since new, with all original logbooks complete and in hand.

The avionics suite is VFR-certified through March 2026, comprising a King KMA24 audio panel, Apollo SL30 NAV/COM, Mid Continent MD-20...

Year
1972
Make
Cessna
Series
172 Skyhawk
Model
172/180 Conversion
Tail #
N3951Q
Serial #
17260051

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Specifications

Category
Single-Engine Piston
Intended Use
Training, Recreational
Flight Rules
VFR
Useful Load
844 lbs

Hours, Logs & Inspections

Total Time
5,777 hrs
Engine 1 Time
1,928 hrs (SMOH)
Prop 1 Time
1,928 hrs (SPOH)
Logbook Status
All the logbooks are complete and original since new. Complete Logbooks Since New
Inspection Status
Annual Inspection July 2025, VFR Cert. March 2026

Avionics

Audio

King KMA 24 - Audio Panel

Comms

Apollo SL30 - NAV/COM

GPS

Mid Continent Instruments MD-20 - VOR/LOC/G.S.

ADSB

Skybeacon - Tail ADS-B Out

ADS-B In

Sentry - ADS-B In

Additional Equipment

Intercom

PS Engineering DM10001 - PS Eng ICS Intercom 4 Place with Dual PTT

Transponder

Narco AT50A - Transponder

Compass

Vertical Card Compass

Avionics Master

Shimmy Damper

Lord Shimmy Damper

Wheel Pants

Window

Pilot and Co-Pilot Windows Open

Pilot Seat

Pilot Seat Vert. Adj.

Interior & Exterior

Interior Notes
Red Fabric & Vinyl
Exterior Notes
All Over White With Red Trim

Engine & Propeller

Engine Type
Piston
Engine Count
1
Engine Make
Lycoming
Engine Model
O-360-A1A
Engine Power
180 HP
Propeller Model
Hartzell HC-C2YK-18BF

Asking Price

$89,950

Aircraft Location

Livermore, CA, USA

Listing Details

Used
For Sale

Price History

Jun 16, 2026: $89,950(-$10,000) - trade-a-plane

May 22, 2026: $99,950 - trade-a-plane

Contact Seller

First Seen: May 22, 2026

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Asking Price

$89,950