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MODERATED AVIATION LEARNING LIBRARY

Aircraft knowledge, built to be used.

Read original system guides, preview lawful PDFs, follow official public references and move directly into related aircraft, ATA, creator and Q&A content.

Aircraft systems Engines Rotorcraft Career & licensing Video library
LIBRARY STATUSLIVE
227Published resources
227Online reads
0PDF guides
0Official links

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Original TechOpsBase resource
FEATURED LEARNING RESOURCE
ONLINE ARTICLE Beginner

Understanding ATA Chapters

A practical introduction to the ATA chapter system and how technicians use it to organize aircraft systems, documents, questions and learning resources.

English 12 min 0 useful 0 saves
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CURATED PATHS

Start with a learning collection

Collections combine articles, PDFs, official references, videos and discussions around one useful goal.

01

New Technician Starter Pack

Core reading for students, apprentices and technicians building disciplined maintenance habits.

5 resources → 02

Aircraft Systems Fundamentals

Plain-language introductions to powerplants, hydraulics, electrical power, pneumatics, landing gear, avionics and rotor systems.

7 resources → 03

Career and Licensing

Practical guidance for interviews, licence understanding, company authorization and professional development.

2 resources → 04

Continued Airworthiness References

Learn how to interpret effectivity, Airworthiness Directives and Service Bulletin references without redistributing controlled documents.

1 resources →
BROWSE BY PURPOSE

Find the subject before the chapter

SYS

Aircraft systems

Electrical, hydraulic, pneumatic, landing gear and avionics.

→ ENG

Engines

Powerplant architecture, controls and engine learning.

→ ROT

Rotorcraft

Rotor systems, controls and helicopter fundamentals.

→ SAFE

Safety & human factors

Tool control, handover, fatigue and error prevention.

→ CAREER

Career & licensing

Interviews, licences, authorization and development.

→ REF

Official references

ADs, SB references and continued-airworthiness learning.

→
FULL LIBRARY

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Every published item is reviewed for usefulness, rights and safe technical framing.

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80 resources found
Public reading · Moderated publication
DIA
Original diagram Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

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.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
1 useful 0 saved 83 views
TechOpsBase Editorial
Open learning resource →
READ
Online article Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 29 — Hydraulic Indications and Technician Reasoning

Use pressure, LOW PRESSURE and system behavior as separate evidence streams instead of treating one cockpit indication as a complete hydraulic diagnosis.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 1 saved 67 views
TechOpsBase Editorial
Open learning resource →
SYS
System guide Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

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.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 70 views
TechOpsBase Editorial
Open learning resource →
SYS
System guide Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

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.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 64 views
TechOpsBase Editorial
Open learning resource →
SYS
System guide Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

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.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 62 views
TechOpsBase Editorial
Open learning resource →
SYS
System guide Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

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.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 74 views
TechOpsBase Editorial
Open learning resource →
READ
Online article Write an online resource
ATA 29 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

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.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 95 views
TechOpsBase Editorial
Open learning resource →
READ
Online article Write an online resource
ATA 21 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 21 — Air Conditioning Architecture: From Pneumatic Source to Conditioned Cabin

Build the complete ATA 21 mental model: pneumatic supply, packs, mixing/distribution, recirculation, zone control and pressurization as related but distinct functions.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 50 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 21 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 21 — Air Conditioning Visual Map

A single original TechOpsBase diagram showing how ATA 36 supply air becomes ATA 21 conditioned air, cabin distribution, temperature control and pressurization.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 36 views
@techops_editorialS
Open learning resource →
READ
Online article Write an online resource
ATA 24 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 24 — AC Generation: IDGs, Generator Control and the Main Power Sources

Understand how engine-driven generation becomes controlled aircraft AC power and why source quality matters before a bus is energized.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 48 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 24 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 24 — Electrical Power Visual Map

An original source-to-bus diagram linking IDGs, APU/external power, AC buses, TRUs, DC buses, battery and standby conversion.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 44 views
@techops_editorialS
Open learning resource →
READ
Online article Write an online resource
ATA 28 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 28 — Fuel Storage and Feed Architecture

Trace fuel from main/center tanks through boost-pump and manifold paths toward engines and APU without copying the manufacturer schematic.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 54 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 28 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 28 — Fuel Feed and Inerting Visual Map

An original diagram linking storage, boost sources, feed/crossfeed paths, APU/engine consumers and the separate ATA 47 inert-gas protection layer.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 44 views
@techops_editorialS
Open learning resource →
READ
Online article Write an online resource
ATA 47 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 47 — Nitrogen Generation System: Purpose and Complete Flow Path

Understand why the NGS exists and trace source air through conditioning, separation and NEA distribution to the center tank.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 61 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 47 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 47 — Inert Gas System Visual Map

An original diagram of the NGS feed-conditioning chain, ASM separation and NEADS route to the center tank.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 50 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 36 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 36 — Pneumatic Power Visual Map

An original diagram connecting engine/APU/ground sources, regulation and isolation, left/right manifolds and major user systems.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 38 views
@techops_editorialS
Open learning resource →
READ
Online article Write an online resource
ATA 22 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 22 — Digital Flight Control System Architecture: FCC A/B, MCP and the Control Loop

Learn how pilot-selected modes, sensor data, flight-control computers and aircraft response fit together.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 54 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 22 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 22 — Autoflight Control-Loop Visual Map

An original diagram showing MCP/FMC and sensor inputs feeding FCC A/B, then guidance/autopilot/autothrottle outputs and feedback/status.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 47 views
@techops_editorialS
Open learning resource →
READ
Online article Write an online resource
ATA 31 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 31 — MAX Display System Architecture: DPCs, Display Units and Control Interfaces

Understand how display-processing computers create graphics for four display units and how control panels select what the crew and maintenance staff see.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 57 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 31 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 31 — MAX Display System and Maintenance-Data Visual Map

An original diagram from aircraft-system data through DPC processing to display units and the maintenance REAL/MANUAL/AUTO evidence layer.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 32 views
@techops_editorialS
Open learning resource →
DIA
Original diagram Write an online resource
ATA 34 Intermediate English Aircraft familiarization ✓ Verified source
Technical review in progressReview schedule pending

B737 MAX ATA 34 — Navigation Data and Consumer Visual Map

An original diagram from air-data/inertial/GPS/radio sensors to ADIRU/FMC processing and consumers such as MDS, DFCS, ATC/ADS-B and TCAS.

Student or apprenticeJunior technicianExperienced professional
Boeing 737 MAX
0 useful 0 saved 42 views
@techops_editorialS
Open learning resource →
READ
Online article Write an online resource
Beginner English General education
Technical review in progressReview due

Understanding ATA Chapters

A practical introduction to the ATA chapter system and how technicians use it to organize aircraft systems, documents, questions and learning resources.

All learners
General aviation learning
0 useful 0 saved 46 views
@techops_editorialS
Open learning resource →
NOTE
Study note Write an online resource
Beginner English General education
Technical review in progressReview due

How to Study an Aircraft System Safely

A repeatable learning method for understanding aircraft systems without confusing general theory with aircraft-specific maintenance instructions.

All learners
General aviation learning
0 useful 0 saved 41 views
@training_deskB
Open learning resource →
SYS
System guide Write an online resource
Intermediate English General education
Technical review in progressReview due

Aircraft Effectivity Explained

Why the same aircraft model can require different data, parts or procedures, and how effectivity protects technicians from applying the wrong information.

All learners
General aviation learning
0 useful 0 saved 48 views
@techops_editorialS
Open learning resource →
SYS
System guide Write an online resource
ATA 28 Intermediate English Training reference
Editorially publishedReview schedule pending

A350 Fuel-Tank Water Scavenge and Drainage

An original guide to water accumulation, jet-pump scavenge, collector-box flow and maintenance drain points.

Student or apprenticeJunior technicianExperienced professional
Airbus A350
1 useful 0 saved 51 views
@techops_editorialS
Open learning resource →
SYS
System guide Write an online resource
ATA 27 Intermediate English Training reference
Editorially publishedReview schedule pending

A350 ATA 27 Flight Controls - Complete Study Overview

A connected system-level guide to A350 primary and high-lift flight controls, control laws, computers, actuation, monitoring and maintenance reasoning.

Student or apprenticeJunior technicianExperienced professional
Airbus A350
1 useful 0 saved 70 views
@techops_editorialS
Open learning resource →
SYS
System guide Write an online resource
Advanced English Training reference
Technically reviewedReview schedule pending

A350 ATA 42 CPIOM H41 and H42

Specific H41/H42 architecture, power, interfaces, hosted-function consequences and failure-matrix reasoning.

Aviation enthusiastStudent or apprenticeJunior technician
Airbus A350
0 useful 0 saved 35 views
@techops_editorialS
Open learning resource →
SYS
System guide Write an online resource
Advanced English Training reference
Technically reviewedReview schedule pending

A350 ATA 42 CPIOM H43 and H44

Specific H43/H44 architecture, power, interfaces, hosted applications and consequence-of-failure reasoning.

Aviation enthusiastStudent or apprenticeJunior technician
Airbus A350
0 useful 0 saved 35 views
@techops_editorialS
Open learning resource →
SYS
System guide Write an online resource
Advanced English Training reference
Technically reviewedReview schedule pending

A350 ATA 42 AFDX Network Fundamentals

Full-duplex switched Ethernet, dual networks, end systems, virtual links, traffic control and deterministic performance.

Aviation enthusiastStudent or apprenticeJunior technician
Airbus A350
0 useful 0 saved 38 views
@techops_editorialS
Open learning resource →
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TechOpsBase Editorial

@techops_editorial · Aviation Content Creator

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