Model variant:
99 and 99A series
Serials covered:
99 (U-1 thru U-35, U-37 thru U-49, U-51 thru U-79 and additional ranges); 99A (U-36, U-80 thru U-85 and additional ranges)
Production years covered:
1960s-1970s production; manual covers all listed serial numbers
Aircraft type:
Twin-engine turboprop commuter airliner
Target audience:
Certified A&P mechanics, maintenance shops, operators and owners performing scheduled service, troubleshooting and restoration work on the Beechcraft 99 Airliner.
Role of manual:
Complete factory maintenance reference used with the aircraft's illustrated parts catalog and applicable FAA regulations.
Content source:
Factory (OEM) maintenance manual content, not an aftermarket summary
Detail level:
Step-by-step instructions with detailed diagrams and manufacturer specifications
Manual type:
Complete factory maintenance service manual
Coverage areas:
Maintenance, servicing, repair and troubleshooting for the Beechcraft 99 Airliner series
Delivery method:
Instant digital download
Page count:
N/A - full factory manual; exact page count not specified
Device compatibility:
Computer, tablet or phone; pages can be printed as needed
Powerplant:
PT6A turboprop engine installation servicing and maintenance
Propeller:
Propeller removal, installation and maintenance procedures
Fuel system:
Fuel tanks, lines, pumps and controls
Flight controls:
Aileron, elevator, rudder and trim systems
Landing gear:
Retraction, extension, wheels, brakes and struts
Hydraulic systems:
Hydraulic power supply and actuating circuits
Electrical system:
Wiring, power generation, distribution and lighting
Avionics / instruments:
Pitot-static, instruments and related installations
Environmental:
Heating, ventilation and defrost systems
Airframe / structure:
Fuselage, wings, empennage, doors and surfaces
Service and maintenance:
Scheduled servicing procedures per manufacturer instructions
Troubleshooting:
Fault isolation and diagnostics guidance
Removal and installation:
Component removal and installation instructions
Repair:
Repair workshop reference procedures
Adjustments and tests:
Rigging, adjustments and operational checks
Diagrams:
Detailed diagrams and illustrations throughout
Specifications:
Manufacturers' specifications, tolerances and torque values where published
Parts information:
Reference to part identification; use with the Illustrated Parts Catalog for full part numbers
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 options range:
Pratt & Whitney Canada PT6A turboprop engines (PT6A-20 on early 99, PT6A-27 on 99A)
Configuration:
Two wing-mounted turboprop engines
Engine type:
Free-turbine turboprop
Manual scope:
Engine installation maintenance per factory manual; consult engine manuals for internal engine overhaul
Typical cruise speed:
Approximately 200 knots (370 km/h)
Typical service ceiling:
Approximately 24,000 ft
Fuel system:
Wing tank fuel system with engine-driven and boost pumps per factory design
Wingspan:
Approximately 45 ft 10.5 in (13.98 m)
Length:
Approximately 44 ft 1 in (13.43 m)
Height:
Approximately 15 ft 6 in (4.72 m)
Wheelbase:
See manual dimensional data for landing gear geometry
Curb weight (empty weight):
Approximately 6,300 lb (2,858 kg) depending on configuration
Maximum takeoff weight:
Approximately 10,500 lb (4,763 kg)
Crash test ratings:
N/A - certified under FAA airworthiness standards, not consumer crash-tested
Active features:
Flight controls with trim, dual flight instrumentation, warning systems per original certification
Passive features:
Airframe structure, restraint systems and emergency exits per factory design
Maintenance safety:
Manual includes safety precautions for servicing, jacking and ground handling
Service intervals:
Scheduled inspection and servicing intervals per factory maintenance program
Fluid specifications:
Approved engine oil, hydraulic fluid and fuel specifications per manufacturer data
Known wear items:
Landing gear components, propeller hubs and control cables are common inspection items
Reference documents:
Use with engine manuals, propeller manuals and Illustrated Parts Catalog
Manufacturer:
Beechcraft (Beech Aircraft Corporation), Wichita, Kansas
Model evolution:
Developed from the Queen Air/Beechcraft 65-90 lineage; 99 Airliner introduced in the late 1960s as a 15-17 passenger commuter; 99A variant followed with PT6A-27 engines
Production location:
Wichita, Kansas, USA
Primary use:
Regional/commuter airline service and cargo operations
