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1955 Beechcraft T34A MentorSingle-Engine Piston Aircraft • MT, USA

This 1955 Beechcraft T34A Mentor, registration N12250, presents a solid and well-equipped example with a total time of 7,599 hours on the airframe. It features a significant engine conversion to a Continental IO-520-BB producing 285 horsepower, with only 234.5 hours since major overhaul by Western Skyways, and a matching McCauley 3-blade propeller with 230.7 hours SMOH. A critical airframe modification was completed in June 2009 with the installation of the T-34 Spar Corp. WS 66 Doubler Plate Kit to comply with AD 2001-13-18R1, ensuring structural integrity.

The aircraft is equipped with a capable Garmin avionics suite including a G430...

Year: 1955

Make: Beechcraft

Series: T-34

Model: T34A Mentor

Tail #: N12250

Serial #: G-701

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Specifications

Category: Single-Engine Piston

Intended Use: Aerobatic, Classic / Antique, Military / Warbird, Training

Seats: 2

Hours, Logs & Inspections

Total Time: 7,599 hrs

Engine 1 Time: 230 hrs (SMOH)

Prop 1 Time: 230.7 hrs (SMOH)

Inspection Status: Annual Completed 4/2025

Avionics

GPS

Garmin GNS 430 - GPS/COM Color Map, GPS Receiver

Comms

King KX-155 - Digital NAV/COM

Autopilot

STEC-50 - Autopilot with Altitude Hold

Audio

King KMA-20 - Audio Panel with 3 LMB

ADS-B Out

Garmin GTX 345G - GTX Mode S with ADS-B Out with Internal GPS

ADS-B In

Garmin GTX 345G - GTX Mode S with ADS-B with Internal GPS

PFD

Garmin G5 - EADI Instrument

EMS/EIS

JPI EDM-700 - JPI Engine Monitor

Additional Equipment

Blind Encoder

Transcal SSD120-30N - Blind Encoder

Intercom

Avionics Master Switch

Spar Modification

T-34 Spar Corp WS 66 Doubler Plate Kit - Nogle Black New Raytheon Common Installation per AMOC 5521-R1 AD 2001-13-18R1 Completed June 2009 by Installation of WS

Wing Spar Modification

Nogle & Black new Raytheon common spar installation per AMOC 5521-R1 AD 2001-13-18R1 Completed June 2009 by installation of T-34 Spar Corp. WS 66 Doubler Plate Kit

Engine Conversion

Parks Industries 285 hp conversion, Converted to IO-520 engine and 3 bladed propeller

Landing Lights

LH & RH wing mounted landing lights, Cowl mounted landing light

Lighting System

Wing tip strobes

Power System

External power receptacle

Braking System

Cleveland wheels and brakes

Fuel System

Gami Flow matching injector nozzles