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LEARN AIRCRAFT · BUILD YOUR CAREER

Aircraft maintenance knowledge, connected.

Learn aircraft systems, solve technical problems, access practical resources and discover aviation career opportunities in one platform.

Watch technical aviation videos. Build an aviation CV. Find reviewed jobs. Go deeper into aircraft systems when you need it.
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Popular: A350 ATA 29 737NG ATR 72
START WITH VALUE

What do you want from TechOpsBase today?

Start with the reason you would actually come back. The deeper technical library stays connected underneath.

01Watch & Learn Start with technical videos matched to aircraft and ATA systems, then move into deeper resources. Start watching → 02Build my aviation CV Structure aircraft experience, licences, maintenance scope, training and achievements for employers. Build career profile → 03Find aviation jobs Browse reviewed vacancies or sign in to rank roles against your real aviation experience. See vacancies → 04Go deeper Technical resources, Quick Reference, learning paths, aircraft knowledge and community support. Explore TechOpsBase →
LATEST PLATFORM ACTIVITY
▤ SYSTEM_GUIDE · ATA 29 B737 MAX ATA 29 — Hydraulic System Architecture and Energy Flow Aug 9 ▶ STIG AVIATION · A320 Airbus A321 #1 wheel assembly change. THIS IS REFERENCE ONLY. Jul 15 ? 2 ANSWERS · 737 MAX How can pneumatic-system study remain useful without publishing controlled schematics? Jul 10 ▤ SYSTEM_GUIDE · ATA 29 B737 MAX ATA 29 — Pumps, Reservoirs and Pressure Sources Aug 9 ▶ STIG AVIATION · 777 GE90-115B inside and out. Jul 15 ▤ SYSTEM_GUIDE · ATA 29 B737 MAX ATA 29 — Standby Hydraulic System Explained Aug 9 ? 1 ANSWERS How should answers be handled when they apply only to one operator configuration? Jul 11
WORTH OPENING NOW

Useful content, not just recent content

Ranked by freshness, technical context, completeness and review signals—not clicks alone.

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LEARNING VIDEO

A320 E-rudder and much more! That is Liebherr.

Liebherr is Key player in aviation, and in this video we will take look on their products and I bet that you don't know all of them. HP valve replacement https://you

Featured by editorsReviewed content
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LEARNING VIDEO

ATA 25 How do replace slide under door on Airbus A321

The emergency slide on an airplane is a safety feature designed to help passengers evacuate quickly in case of an emergency. It's typically located near the aircraft door

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TECHNICAL RESOURCE

B737 MAX ATA 29 — Hydraulic Power Visual Map

A four-diagram original TechOpsBase visual explainer for Systems A/B, pump pairing, standby hydraulics and the PTU relationship.

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TECHNICAL RESOURCE

B737 MAX ATA 29 — Hydraulic Maintenance Reasoning: Leakage, Contamination and Safe Boundaries

Connect internal leakage, contamination control, residual pressure, fluid temperature and movement hazards into one maintenance-oriented reasoning model.

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LEARNING PATH

Boeing 737 NG Introduction

Develop a safe, systems-based orientation to the 737 NG family before type-specific maintenance study.

Reviewed contentAircraft or ATA context
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TECHNICAL CASE

Maintenance documentation mismatch: stop and resolve the applicable source

A training example on handling conflicting revision, effectivity or task references without improvising a maintenance instruction.

Reviewed contentAircraft or ATA context
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8 reviewed selections How TechOpsBase prioritizes content →
AIRCRAFT OF THE WEEK

Airbus A350

The Airbus A350 is a long-range twin-engine widebody family built around composite structure, advanced aerodynamics, integrated avionics and Rolls-Royce Trent XWB powerplants.

3 family variants 169 related resources 55 related videos 3 related questions
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GUIDED LEARNING

Build knowledge step by step

Structured paths instead of disconnected browsing.

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beginner 2h

Aviation Fundamentals

A structured, non-procedural Academy path rebuilt in v3.34.0 with real lessons, an application exercise and a reviewed knowledge check. It supports understanding and does not replace current approved maintenance data.

3 modules · 8 items Start →
beginner 2h

New Aircraft Technician Starter Path

A structured, non-procedural Academy path rebuilt in v3.34.0 with real lessons, an application exercise and a reviewed knowledge check. It supports understanding and does not replace current approved maintenance data.

3 modules · 8 items Start →
beginner 2h

Aircraft Systems Fundamentals

A structured, non-procedural Academy path rebuilt in v3.34.0 with real lessons, an application exercise and a reviewed knowledge check. It supports understanding and does not replace current approved maintenance data.

3 modules · 8 items Start →
beginner 3h

Gas Turbine Engine Fundamentals

A structured, non-procedural Academy path rebuilt in v3.34.0 with real lessons, an application exercise and a reviewed knowledge check. It supports understanding and does not replace current approved maintenance data.

3 modules · 8 items Start →
MAINTENANCE CHALLENGE

Practice the evidence-first mindset.

One featured ATA case changes each day. Browse every active case without waiting for tomorrow.

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TODAY'S FEATURED CASE
AIRCRAFT · ATA 32 CASE 007 What should be verified before replacing landing-gear indication hardware?

One gear-position indication disagrees after extension, while hydraulic indications and the other gear positions appear normal. Which evidence should be checked first?

0 community diagnoses submitted
TECHNICAL LIBRARY

Latest useful resources

Focused content with aircraft and ATA context.

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SYSTEM GUIDE ATA 29

B737 MAX ATA 29 — Hydraulic System Architecture and Energy Flow

Build a durable mental model of Systems A and B, the standby system, pressure sources, reservoirs and the difference between hydraulic power removal and a true zero-energy condition.

737 MAX Read →
SYSTEM GUIDE ATA 29

B737 MAX ATA 29 — Pumps, Reservoirs and Pressure Sources

Understand the EDP/EMDP pairings, reservoir role, pressure-source differences and why pump availability must be separated from actual system capability.

737 MAX Read →
SYSTEM GUIDE ATA 29

B737 MAX ATA 29 — Standby Hydraulic System Explained

Understand the standby reservoir, electric pump, pressure module and backup-function role without confusing the standby circuit with normal Systems A or B.

737 MAX Read →
SYSTEM GUIDE ATA 29

B737 MAX ATA 29 — Power Transfer Unit (PTU): Functional Role and System Relationships

Learn what the PTU transfers, why the A and B fluids do not need to mix, and how leading-edge-device, air/ground and pressure-switch logic enter the functional picture.

737 MAX Read →
TECHNICAL Q&A

Questions the community is working on

Ask clearly, compare evidence and help move a question toward a useful answer.

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0 votes
737 MAX · ATA 36

How can pneumatic-system study remain useful without publishing controlled schematics?

Asked by techops_editorial · 88 views · Jul 10
2 solved
0 votes

How should answers be handled when they apply only to one operator configuration?

Asked by techops_editorial · 58 views · Jul 11
1 solved
0 votes

What information must be removed before posting a maintenance question publicly?

Asked by techops_editorial · 57 views · Jul 9
1 solved
0 votes
737 MAX · ATA 32

Why is shift handover critical during landing-gear troubleshooting?

Asked by techops_editorial · 76 views · Jul 8
1 solved
TECHNICIAN CREATOR SPOTLIGHT

Meet aviation creators worth following

Move between three selected technicians and open their profiles, latest videos and specialist content.

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IMPORTANT MAINTENANCE REMINDER

Learn here. Perform maintenance only with current approved data.

TechOpsBase supports technical understanding and community discussion. It does not replace the applicable AMM, FIM, TSM, IPC, SRM, MEL, approved engineering instruction or company procedure.