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1978 Piper Navajo CRMulti-Engine Piston Aircraft • Perth, Western Australia, Australia

This 1978 Piper Navajo CR, registered as VH-OBQ, presents a highly modified and well-equipped twin-engine aircraft with a total airframe time of 7,760 hours. It has undergone the significant Colemill Panther conversion, which installs 350 horsepower Lycoming TIO-540-J2B turbocharged engines and four-blade Hartzell Q-tip propellers with de-ice. This modification substantially enhances performance, with claimed increases to a 275 mph max speed at altitude and improved climb rates. The left engine has 1,300 hours SMOH from 2017 with 500 hours remaining to TBO, while the right engine has 1,048 hours SMOH from 2021 with 952 hours remaining; both...

Year
1978
Make
Piper
Series
PA-31
Model
Navajo CR
Tail #
VH-OBQ
Serial #
31-7812002

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Passenger
Flight Rules
IFR
Useful Load
1,774.72 lbs
Seats
8

Hours, Logs & Inspections

Total Time
7,760 hrs
Engine 1 Time
1,300 hrs (SMOH)
Engine 2 Time
1,048 hrs (SMOH)
Prop 1 Time
1,048 hrs (SMOH)
Prop 2 Time
1,048 hrs (SMOH)
Logbook Status
Full logbooks USA and AUS. Part 135 maintenance to the highest standards. Complete Logs Yes.

Avionics

GPS

Garmin GTN 650 - WAAS

Comms

King KX 155A - Nav/Com

Autopilot

STEC 55X - STEC Autopilot with Flight Director System, STEC Alt Preselect, Yaw Damper

Audio

Garmin GMA 340 - Audio Panel

Traffic

Garmin GTX 345 - Transponder with ADS-B and Out, Transponder

ADS-B Out

Garmin GTX 345 - ADS-B Equipped, Transponder with ADS-B and Out

ADS-B In

Garmin GTX 345 - Transponder with ADS-B and Out

MFD

Avidyne Flight Max 750 - MFD

EMS/EIS

JPI Engine Monitor - JPI Digital

Additional Equipment

Oxygen System

Oxygen for all seats. 7 masks and 2 canola included. 2025 new oxygen bottle.

Flight Into Known Icing

Full Piper De Ice Kit, Hot Props, Hot Windshield, Boots

Air Conditioning

Piper Factory AC System Heater

Landing Light

Landing Light Taxi Light Strobe Lights Position Lights

Vortex Generators

Vortex Generator Kit

Intercom

6-Place Intercom

USB Charging

USB charging for pax and cockpit

Vanity

Aft Vanity with mirror for glasses and bottle storage

Cargo Door

Tinted Windows

Interior & Exterior

Paint Year
2021
Interior Notes
Beautiful Light Tan & Tan Leather 4 Individual Chairs in Club Configuration, 7th Seat and Belted Potty Belted Lav Leather carpet protector. Sheepskin Pilot/Copilot Seats Leather Passenger Seats. Dual Leather Rams Horn Controls.
Exterior Notes
White on top repainted in 2021. Winglets Yes.

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Lycoming
Engine Model
TIO-540-J2B
Engine Power
350 HP
Propeller Model
Hartzell 4-blade Q-tip

Asking Price

$545,438

Aircraft Location

Perth, Western Australia, Australia

Listing Details

Used
For Sale

Price History

Dec 4, 2025: $545,438(+$12,725) - controller

Nov 26, 2025: $532,713(-$292,287) - controller

Aug 13, 2025: $825,000 - trade-a-plane

Contact Seller

First Seen: Aug 13, 2025

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Asking Price

$545,438