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1970 Piper Turbo Twin ComancheMulti-Engine Piston Aircraft • Camberley GBR

This 1970 Piper Turbo Twin Comanche (registration G-SIGN, serial number 39-8) is a PA39 model, the latest variant of the Twin Comanche, equipped with counter-rotating propellers and factory-fitted Rajay turbos—a configuration of which only 155 were built, with few carrying the factory turbo installation. The airframe shows 4,357 hours total time, with logbooks available since 1979. The seller states no known damage history. The aircraft is described as meticulously maintained and operated for the last 29 years by its current owner, a past president of the International Comanche Society. It is currently awaiting annual inspection, scheduled...

Year
1970
Make
Piper
Series
Twin Comanche
Model
Turbo TWIN Comanche
Tail #
G-SIGN
Serial #
39-8

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Specifications

Category
Multi-Engine Piston
Intended Use
Business, Training, Recreational
Flight Rules
VFR & IFR
Seats
4

Hours, Logs & Inspections

Total Time
4,357 hrs
Engine 1 Time
219 hrs (SMOH)
Engine 2 Time
13 hrs (SMOH)
Prop 1 Time
145 hrs (SPOH)
Prop 2 Time
145 hrs (SPOH)
Logbook Status
All logbooks since 1979
Inspection Status
Awaiting Annual Inspection - scheduled to be completed in November 2026

Avionics

GPS

Garmin GTN 650 - GTN Touch-screen Comm/Nav/GPS

Comms

Garmin GNC 255A - GNC Comm/Nav; VOR/ILS/GPS Indicator

AP

Altimatic IIIB - IIIB Auto Pilot with Roll, Heading, Nav tracking, Fully Coupled ILS and GPS LPV Localiser and Glideslope capture and Altitude pre-select

Audio

Garmin GMA 340 - GMA Audio Panel

Weather

Insight StrikeFinder - Weather Detection

ADSB

Garmin GTX 330ES - Mode S Transponder with ADS-B Out and the optional OAT sensor and display

PFD

Garmin G5 PFD - Dual Electronic Flight Instruments displaying AI, Heading, Altitude, Airspeed, VSI, Turn Rate, Slip, Ground Track, TAS, OAT and Wind aloft PLUS DG, HSI, GPS Nav Interface and GPSS (GPS Steering)

MFD

Garmin G5 MFD - Dual Electronic Flight Instruments displaying AI, Heading, Altitude, Airspeed, VSI, Turn Rate, Slip, Ground Track, TAS, OAT and Wind aloft PLUS DG, HSI, GPS Nav Interface and GPSS (GPS Steering)

EMS

Electronics International US-8A-4-T - Engine Analyser; digital Voltmeter/Ammeter

Additional Equipment

DME

King KN 64 - KN DME remote switchable between NAV1 and NAV2

ADF

Narco ADF 141

Fuel Management System

Shadin Digiflo-L - Fuel Management System Litres coupled to GTN 650

Tip Tanks

Tip tanks (Total 120 USG / 114 USG Useable fuel)

Prop De-icing

Alcohol Prop de-icing

Alternators

Alternators and Aux Voltage Regulator.

Co-pilot Toe Brakes

Co-pilot Toe brakes (rare on type but valuable in a training environment)

Upper Door Latch

Cherokee type upper door latch

Strobes

Wing Tip Strobes

Landing Lights

LED Landing Lights

Fin Cap Beacon

Phill-Air - New Fin Cap Beacon

Nose Bowls

LoPresti Speed Merchants

Hub Caps

Hubba Hubba - fully enclosed hub caps on main wheels

Heater

Janitrol - Heater

Oxygen System

Factory Fitted Oxygen with 6 outlets (Oxygen tank requires service)

Static Discharge Wicks

Static discharge wicks on Wings and Stabilator.

Turbochargers

RaJay - fitted

Interior & Exterior

Interior Rating
5/10
Paint Rating
6.5/10
Paint Year
2008
Interior Notes
Tan leather seats with brown carpets 5/10. 5th and 6th seats that can be installed in baggage bay included.
Exterior Notes
2008 Light Blue hull with White top and Grey stripe detailing 6-7/10

Engine & Propeller

Engine Type
Piston
Engine Count
2
Engine Make
Lycoming
Engine Model
IO-320-C1A / LIO-320-C1A
Propeller Model
Hartzell HC-E2YL-2BSF / HC-E2YL-2BLSF (2-blade Q-tip propeller)

Asking Price

$195,000

Aircraft Location

Camberley GBR

Listing Details

Used
For Sale

Price History

Oct 25, 2026: $195,000 - trade-a-plane

Contact Seller

First Seen: Oct 25, 2026

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Asking Price

$195,000