Model variant:
100 Series light personal aircraft (120, 140, 140A)
Production years covered:
1946-1951 (Cessna 120 and 140 production run)
Document type:
Pilot's Operating Handbook / Operation Manual
Target audience:
Pilots, owners, restorers and technicians maintaining classic Cessna 120/140 aircraft
Category:
Two-seat, tailwheel light personal aircraft
Primary users:
General aviation owners and vintage aircraft restoration workshops
Contemporaries:
Piper PA-11/PA-12, Aeronca Champion, Luscombe 8
Key advantage:
All-metal construction in an era of fabric-covered competitors, simple rugged design and low operating cost
Key features:
Side-by-side seating, tricycle-gear option on 140 (180 conversion), simple Continental flat-four power
Coverage areas:
Normal operating procedures, performance data, limitations, systems operation and emergency procedures
Manual type:
Pilot's Operating Handbook (POH) / Operation Manual
Delivery method:
Instant download
Device compatibility:
Computer, tablet or phone
Printing:
Print only the pages needed for the job
Powerplant:
Continental engine operating limits, procedures and data
Propeller:
Fixed-pitch propeller operation and limitations
Fuel system:
Tank capacity, fuel grade, quantity indicators and management
Landing gear:
Conventional tailwheel gear and brake operation
Flight controls:
Control surface operation, trim and locking
Electrical system:
Battery, generator and electrical loads where equipped
Instruments:
Flight and engine instrument descriptions and markings
Preflight:
Preflight inspection walk-around procedures
Normal operations:
Starting, taxiing, takeoff, climb, cruise and landing procedures
Performance:
Takeoff, climb, cruise and landing performance data and charts
Weight and balance:
Loading data, center of gravity limits and sample calculations
Emergencies:
Emergency procedures including engine failure and forced landing guidance
Operating limitations:
Airspeed limits, marking explanations and approved maneuvers
Maintenance reference:
Service and maintenance information useful for owners and restorers
Depth:
Factory-level operating data for pilots plus reference material for technicians and restoration work
Parts information:
Reference support for component identification during service and restoration
troubleshooting:
Troubleshooting and diagnostics guidance for common systems
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
Primary engine:
Continental C-85 / O-200 class flat-four (140 models)
Engine option:
Continental C-85-12F rated 85 hp (Cessna 140)
Cessna 120 engine:
Continental C-85 with reduced equipment fit
Performance:
Cruise approximately 100-115 mph depending on model and propeller
Fuel system:
Wing tank gravity-fed carbureted system; 80/87 avgas per original data
Fuel capacity:
Approximately 25 US gallons (model dependent)
Wingspan:
32 ft 10 in (approximately 10 m)
Length:
Approximately 21 ft
Wheelbase:
Conventional tailwheel landing gear configuration
Gross weight:
1,500 lb (Cessna 140); 1,450 lb (Cessna 120)
Empty weight:
Approximately 770-830 lb depending on model and equipment
Useful load:
Approximately 650-700 lb depending on model
Crash test ratings:
N/A - certified under 1940s Civil Air Regulations (CAR 3), not subject to modern crash test ratings
Certification basis:
CAR Part 3 airworthiness requirements of the era
Passive features:
Rugged welded steel-tube fuselage frame with metal cabin structure
Limitations data:
POH contains airspeed limitations, maneuver limits and emergency procedures
Audio system:
N/A - basic aircraft; radio equipment varied by individual installation
Avionics:
Original aircraft equipped with basic flight instruments; avionics vary per airframe modification history
Driver assistance equivalent:
None - conventional manually controlled light aircraft
Service intervals:
Annual inspection required; 100-hour inspection if flown for hire
Fluid specifications:
Aviation engine oil per Continental C-85 recommendations; grade varies by climate
Known issues:
Aging airframes: corrosion, fabric/metal skin condition, wood spar and wing attachment inspections on older examples
Common wear items:
Tailwheel assembly, brake linings, engine baffling, control cables and pulleys
Manufacturer:
Cessna Aircraft Company, Wichita, Kansas
Model evolution:
Post-war two-seat design preceding the Cessna 150; the 140A variant of 1949-1951 featured revised wing and finish
Production location:
Wichita, Kansas, USA
Production run:
Cessna 120 from 1946-1950; Cessna 140 from 1946-1951
