Beechcraft T-34 Mentor Model Guide
Beechcraft T-34 Mentor · Model Guide
Overview
The Beechcraft T-34 Mentor is a two-seat military basic trainer with a Bonanza-style fuselage and a 225-hp Continental O-470-13. The USAF flew it from 1953 to 1961. Buyers should focus on wing spar carry-through fatigue, military-surplus engine parts, and a thorough type checkout.
- Two-seat trainer with a 225-hp Continental O-470-13. A 1975 owner report gives 145 kt at 65% power, burning 10.5 gph of 80-octane fuel.
- Wing spar carry-through fatigue is the central issue. AD 2004-25-51 applies, and an NTSB report found a wing separation from fatigue cracking.
- Surplus examples are hard to find. A 1975 owner report says prices vary greatly with little link to condition.
- Controls are much more sensitive than a Bonanza's. Get a thorough checkout and expect an unfamiliar military cockpit.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at sprinkle.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Model Guide
- Year ·
- 2026
- File size ·
- 50 KB
- Copy found at ·
- sprinkle.com
Specifications & performance
Extracted from this document.
Specifications
- Engine power (hp) ·
- 225
Performance
- Fuel burn (gph) ·
- 10.5
- Cruise speed (kt) ·
- 145
- Acrobatic cruise fuel burn (gph) ·
- 14
Weight & balance
- Alec added weight (lb) ·
- 3.2
What does the Beechcraft T-34 Mentor burn?
A 1975 owner report says the Beechcraft T-34 Mentor cruises at 145 kt at 65% power, burning 10.5 gph of 80-octane fuel. Expect about 14 gph at the higher acrobatic cruise settings.
Is the Beechcraft T-34 Mentor easy to buy?
No. The 1975 report says the military does not sell directly to civilians, so examples came through the CAP or occasionally the Forest Service. Expect a long search and widely varying prices.
How many Beechcraft T-34 Mentor trainers did Beech build?
The production list shows 350 T-34A and 423 T-34B built at Wichita for the Beechcraft T-34 Mentor. Canada built 125 T-34As and Japan built 161.
What should I ask about the wing on a Beechcraft T-34 Mentor?
Ask whether the AD 2004-25-51 work is complete on the Beechcraft T-34 Mentor, such as the ALEC cable kit. Also ask for the eddy current inspection records and the spar bolt replacement times.
What is the Beechcraft T-34 Mentor Model Guide?
The Beechcraft T-34 Mentor Model Guide is a model guide for the Beechcraft T-34 Mentor, dated 2026.
What year was the Beechcraft T-34 Mentor Model Guide published?
The Beechcraft T-34 Mentor Model Guide — the Beechcraft T-34 Mentor model guide on file — is dated 2026.
Common. More common than 77% of the aircraft models we track.
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More Beechcraft T-34 Mentormanuals & documents
- The Eagle’s Scream Spring 2025Other Documents
- STEM Mentoring Supplement to the Elements of Effective Practice for MentoringTraining Manual
- Elements of Effective Practice for MentoringTraining Manual
- INSTALLATION INSTRUCTIONS FOR T-34, T-34A, and T-34B MAIN WING SPAR LOWER WING BOLT REPLACEMENT AND TENSION CABLE PER T-34 SPAR CORP. AMOC TO AD 2004-25-51Flight Manual
- Beechcraft® T-34B MentorChecklist
- National Transportation Safety Board Aviation Accident Final ReportService Bulletins
- The Door man's lighterPilot's Operating Handbook
- Normal Procedures for the Beechcraft T-34 MentorNormal Procedures
- BEECHCRAFT T-34 MENTORMaintenance Manual
- Beechcraft T-34 Mentor Parts Manual and Flight HandbookParts Catalog
- Wiring Diagram for the Beechcraft T-34 MentorWiring Diagrams
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- AOPA PILOT 58. JANUARY 1996Beechcraft T-34C Turbo Mentor · Other Documents
- BEECHCRAFT T-34 MENTORBeechcraft T-34 Mentor · Maintenance Manual
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In this document
Wing spar and AD 2004-25-51
The T-34 Spar Corp ALEC kit (STC SA 10362SC) swaps the lower front spar bolts for Inconel 718 bolts. It adds a pre-tensioned cable giving about 7,500 pounds of compressive preload. Once the required inspections, cold working and parts are done, the AD 2004-25-51 flight restrictions may be removed. Check the logbooks for this work. It adds 3.2 lbs.
Inspection intervals to verify
With ALEC fitted, surface and bolt-hole eddy current inspections are due every 2900 hours of flight time. The lower front spar bolts and nuts must be replaced by 10,000 hours, and this repeats. The carry-through structure also gets a visual check every 100 hours. Confirm the logs show each item. One 2024 spar inspection and propeller overhaul kept a T-34 down for 5 months.
Engine, cooling and parts
The O-470-13 is a military version of the engine, so some parts must come from military surplus. Most other parts are standard Beechcraft. The 1975 report calls the augmenter tube cooling system the greatest mechanical flaw, because it needs high airspeed on hot days. Check that the nosewheel gear doors are fitted, since removing them hurts climb.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Safety notes
- On December 7, 2004, an A45 lost its left wing in an upset recovery training flight. The NTSB found widespread fatigue cracking in the carry-through structure.
- The NTSB said some cracks were in hidden areas and could not be found without extensive disassembly. It strongly suspected the same condition in other T-34 airframes.
- Without the nosewheel gear doors, climb on hot days is poor at the airspeeds needed to keep temperatures within limits.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Full document text
Beechcraft T-34 Mentor Model Guide The Beechcraft T-34 Mentor is a two-seat military basic trainer with a Bonanza-style fuselage and a 225-hp Continental O-470-13. The USAF flew it from 1953 to 1961. Buyers should focus on wing spar carry-through fatigue, military-surplus engine parts, and a thorough type checkout. • Two-seat trainer with a 225-hp Continental O-470-13. A 1975 owner report gives 145 kt at 65% power, burning 10.5 gph of 80-octane fuel. • Wing spar carry-through fatigue is the central issue. AD 2004-25-51 applies, and an NTSB report found a wing separation from fatigue cracking. • Surplus examples are hard to find. A 1975 owner report says prices vary greatly with little link to condition. • Controls are much more sensitive than a Bonanza's. Get a thorough checkout and expect an unfamiliar military cockpit. Wing spar and AD 2004-25-51 The T-34 Spar Corp ALEC kit (STC SA 10362SC) swaps the lower front spar bolts for Inconel 718 bolts. It adds a pre-tensioned cable giving about 7,500 pounds of compressive preload. Once the required inspections, cold working and parts are done, the AD 2004-25-51 flight restrictions may be removed. Check the logbooks for this work. It adds 3.2 lbs. Inspection intervals to verify With ALEC fitted, surface and bolt-hole eddy current inspections are due every 2900 hours of flight time. The lower front spar bolts and nuts must be replaced by 10,000 hours, and this repeats. The carry-through structure also gets a visual check every 100 hours. Confirm the logs show each item. One 2024 spar inspection and propeller overhaul kept a T-34 down for 5 months. Engine, cooling and parts The O-470-13 is a military version of the engine, so some parts must come from military surplus. Most other parts are standard Beechcraft. The 1975 report calls the augmenter tube cooling system the greatest mechanical flaw, because it needs high airspeed on hot days. Check that the nosewheel gear doors are fitted, since removing them hurts climb. Safety notes: • On December 7, 2004, an A45 lost its left wing in an upset recovery training flight. The NTSB found widespread fatigue cracking in the carry-through structure. • The NTSB said some cracks were in hidden areas and could not be found without extensive disassembly. It strongly suspected the same condition in other T-34 airframes. • Without the nosewheel gear doors, climb on hot days is poor at the airspeeds needed to keep temperatures within limits.