Make:
Beechcraft (Raytheon Aircraft)
Document Type:
Illustrated Parts Catalog (IPC)
Catalog Numbers:
PM 108-590000-98 and PM 108-590000-981
Production Years Covered:
1979 through end of production (1988)
Applicable Serial Range:
Beechcraft 77 Skipper series, per catalog applicability list
Target Audience:
A&P mechanics, repair stations, and Skipper owners performing parts identification and ordering
Document Purpose:
Authoritative parts breakdown and illustration reference for maintenance and overhaul
Illustrations:
Exploded-view line drawings keyed to part numbers
Effectivity Data:
Part applicability by airframe serial number
Revision Control:
Reissued March 19, 1982; revised through April 28, 1995
Factory Source:
Official Beechcraft/Raytheon-issued catalog, not an aftermarket summary
Completeness:
Covers all factory-installed assemblies with vendor and Beech part numbers
Manual Type:
Illustrated Parts Catalog (IPC)
Document Numbers:
PM 108-590000-98, PM 108-590000-981
Reissue Date:
March 19, 1982
Revision Date:
April 28, 1995
Delivery Method:
Instant digital download
Binding:
Digital (PDF), no physical binding
Printing:
Printable pages for shop use
Airframe Structure:
Fuselage, wing, empennage, control surfaces, and structural assemblies
Landing Gear:
Fixed tricycle gear, struts, wheels, brakes, and tires
Powerplant:
Lycoming O-235 engine, mount, cowl, and propeller/spinner parts
Fuel System:
Wing tanks, fuel lines, selector valve, strainer, and gauges
Flight Controls:
Control columns, cables, pulleys, pushrods, and trim system
Landing Gear Retraction:
N/A - Skipper gear is fixed, not retractable
Hydraulic Systems:
Brake system components and lines
Electrical System:
Wiring, alternator, starter, battery, switches, and circuit protection
Avionics:
Factory-installed radio and instrument panel options as listed
Interior:
Seats, upholstery, cabin lining, and glazing
Heating & Ventilation:
Cabin heat shroud, ducting, and vents
Paint & Finish Items:
Exterior trim, fasteners, and placards
Parts Identification:
Figure/item reference system linking illustrations to parts lists
Part Numbers:
Beech, Raytheon, and vendor part numbers with interchangeable listings
Effectivity Notes:
Serial-number effectivity for each part where applicable
Quantity Data:
Units per assembly for ordering accuracy
Detail Level:
Assembly/subassembly breakdown to individual detail parts
Revision Service:
Incorporates revisions through April 28, 1995
Procurement Reference:
Intended for use with Beech parts suppliers and repair stations
Figure Format:
Numbered exploded illustrations per chapter
Vendor Listings:
Supplier part numbers cross-referenced where applicable
Supersedure Data:
Superseded part numbers noted in listings
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 Model:
Lycoming O-235-L2C
Configuration:
Four-cylinder, air-cooled, horizontally opposed
Rated Power:
100 hp at rated rpm
Displacement:
235 cubic inches (3.85 liters)
Propeller:
Fixed-pitch metal propeller with spinner
Fuel Grade:
100LL aviation gasoline
Tank Capacity:
Approximately 20 gallons usable per wing tank (26 gallons total usable)
Fuel Delivery:
Gravity-fed carbureted system
Certification Basis:
FAR Part 23 normal category airworthiness standards
Crash Test Ratings:
N/A - civil aircraft are not assigned consumer crash test star ratings
Occupant Protection:
Energy-absorbing seating and restraint system (lap belts)
Structure:
Full cantilever low-wing design placing structure above occupants
Fire Protection:
Firewall between engine compartment and cabin
Stall Warning:
Stall warning horn/vane system
Brakes:
Hydraulically actuated differential toe brakes on main gear
Lighting:
Position, landing, and anti-collision lighting per options
Factory Avionics:
Analog flight instruments; Cessna/Bendix-King-era nav/com radio options typical of the era
Audio System:
N/A - light trainer aircraft; no cabin audio/entertainment system
Autopilot:
N/A - no factory autopilot on the Skipper trainer
Automation:
N/A - conventional manually-flown two-seat trainer
Annual Inspection:
FAA-required annual inspection for all certificated aircraft
100-Hour Inspection:
Required when used for hire/flight instruction
Engine Intervals:
Per Lycoming O-235 service bulletins and TBO schedule
Engine Oil:
Aviation piston engine oil per Lycoming specification (SAE grade by ambient temperature)
Hydraulic Fluid:
MIL-PRF-5606 hydraulic fluid for brake system
Brake Components:
Brake linings/discs on trainer aircraft with high touch-and-go usage
Tires:
Nose and main tires subject to training-cycle wear
Engine Items:
Carburetor, ignition harness, and exhaust components as high-time items
Manufacturer:
Beech Aircraft Corporation (later Raytheon Aircraft), Wichita, Kansas
Heritage:
Founded 1932; renowned for Bonanza, Baron, and King Air lines
Introduction:
Introduced in 1979 as a two-seat piston trainer to compete with the Piper Tomahawk and Cessna 152
Design Notes:
Low-wing, T-tail configuration with wide cabin doors for flight-school use
Production End:
Production concluded in 1988
Production Location:
Wichita, Kansas, USA