Target Audience:
A&P mechanics, aircraft owners, and DIY maintenance operators of Maule M4 light aircraft
Competitive Advantage:
Maule M4 series known for short takeoff and landing (STOL) capability and rugged utility design
Key Features:
High-wing taildragger configuration, strut-braced wings, and durable tubular steel fuselage
Airframe Structure:
Fuselage, wings, landing gear, and control surfaces
Flight Controls:
Aileron, elevator, rudder, and trim systems inspection and rigging
Landing Gear:
Tailwheel configuration gear maintenance and alignment
Fuel System:
Tanks, lines, selector valves, and strainer servicing
Powerplant:
Engine installation, mounts, and propeller drive
Propeller:
Propeller inspection and maintenance procedures
Electrical System:
Wiring, battery, alternator/generator, and starter circuits
Avionics:
Supported avionics maintenance procedures per manual
Brakes and Hydraulics:
Brake system inspection, bleeding, and servicing
Inspection Procedures:
Scheduled inspections, preflight and annual checklist guidance
Torque Values:
Fastener and hardware torque specifications
Troubleshooting:
Fault isolation for airframe and system malfunctions
Servicing Intervals:
Detailed intervals referenced in specific manual sections
Technical Depth:
Shop-level procedures with part references suitable for certified mechanics
Parts Information:
Part identification and reference listings throughout procedures
Page Count:
N/A - not specified for this manual
Diagrams:
Illustrated procedures and schematics as published in the original document
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Reciprocating engine (likely Lycoming or Continental)
Engine Details:
Specific engine model not provided in product name
Typical Horsepower Range:
150-200 hp (common for Maule M4 variants)
Fuel Grade:
Aviation gasoline (avgas) per engine manual specifications
Fuel System Layout:
Wing tanks with selector valve and gascolator strainer
Oil Capacity:
Refer to specific engine manual and aircraft maintenance procedures
Length:
N/A (aircraft specific)
Wingspan:
N/A - not specified in product description
Empty Weight:
N/A - not specified in product description
Gross Weight:
N/A - not specified in product description
Configuration:
High-wing, strut-braced, conventional (tailwheel) gear
Crash Test Information:
N/A - general aviation aircraft of this era were not crash tested like automobiles
Airworthiness Type:
N/A (manual is for maintenance, not certification type)
Passive Features:
Tubular steel fuselage frame structure typical of Maule design
Restraints:
Seat belt and shoulder harness installations covered in maintenance procedures
Active Features:
N/A - no active electronic safety systems on aircraft of this type
Service Interval Description:
Refer to specific sections within the manual for detailed intervals
Annual Inspection:
FAA-required annual inspection procedures covered in manual
Typical Engine Overhaul Interval:
1200-2000 hours (typical for aircraft engines of this era)
Oil Capacity Description:
Refer to specific engine manual and aircraft maintenance procedures
Common Wear Items:
Landing gear bungees/tires, brake linings, control cable tension, propeller inspection
Fluid Specifications:
Aviation engine oil and hydraulic fluid grades per engine and system manuals
Manufacturer:
Maule Air, founded by B.D. Maule, known for STOL light utility aircraft
Model Evolution:
M4 family evolved through variants including M-4C, M-4S, and M-4T with increasing capability
Production Location:
N/A - not specified; Maule production historically based in Georgia, USA
Design Heritage:
High-wing taildragger lineage with tubular steel fuselage and fabric-covered construction
