Description
2023 AirVenture Award-Winning TH-55A Osage – Standard Airworthiness
Price: $284,500 OBO
Location: Waukesha, WI. – Hangered
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Aircraft Overview
Fully restored U.S. Army TH-55A Osage, Standard Airworthiness Category. Restoration completed June 2023; debuted at EAA AirVenture 2023, winning:
• Best Warbird Helicopter
• Silver Wrench Award
• Judges Choice Award
Turnkey, flyable, and ready for demonstration flights. Fresh annual inspection completed Feb 2026.
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Key Specifications
Component Time/Status
Engine 85 Hrs SMOH
Main Rotor Blades 300 Hrs Since New
Tail Rotor Blades 885 Hrs Since New / 5,000 hr Life Limit (4,100+ Hrs Remaining)
Airworthiness Standard Category, All ADs Complied
Logbooks Complete & Clean
Title/Registration Clear & Current
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Avionics & Equipment
• Garmin GNC 250XL GPS / VHF
• Garmin GTX 327 Transponder
• Technisonic TDFM-6148 FM Transceiver
• PAI-7000 Vertical Card Compass
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Operational Status
• Fully Flying & Excellent Handling
• Demonstration Flights Available to Qualified Buyers
• Hangared & Professionally Maintained
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Highlights / Selling Points
• Award-Winning Restoration & Provenance
• Low-Time Engine & Rotors
• Collector-Grade Military Trainer
• Authentic Military Finish with Modern Avionics
• Ready for Year-Round Operation
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Includes
• Paravion Heliporter for ground handling
• Hughes/Schweizer Specialty Tooling
• FACET Cabin HeaterSpecifications
Year1966
ManufacturerHUGHES
ModelTH55A
ConditionUsed
FlightRulesVFR
Based atKUES
Total Time4,295
Range150 Nm
Max Takeoff Weight757.5 kg
Basic Empty Weight480.79 kg
Useful Load276.69 kg
Max Cruise Speed75 knots
Hover Ceiling IGE at Max Takeoff Weight1,524 m
Fuel Capacity Volume94.64 L
Main Rotor Blade Time Remaining1065
Main Rotor Hub Time Remaining2498
Main Rotor Gearbox Time Remaining4529
Anti-Torque SystemTail Rotor
Tail Rotor Blade Time Remaining4115
Tail Rotor Gearbox Time Remaining437
Rotor NotesTail Rotor Blades inspected and refinished April 2025 by Advanced Composites
Main Rotor Blades refinished January 2026
Engine 1 Make/ModelLYCOMING HIO-360-B1A
Engine Serial NumberK-516851A
Engine Horsepower134.23 kW
Engine Displacement5.9 L
Fuel Control SystemFuel Injection
Engine 1 Time85.2 SOH
Engine TBO1500
Engine NotesEngine 85 Hrs SMOH
Main Rotor Blades 300 Hrs Since New
Tail Rotor Blades 885 Hrs Since New / 5,000 hr Life Limit (4,100+ Hrs Remaining)
Modifications/ConversionsNONE
Avionics/RadiosGARMIN GNC 250XL
GARMIN GTX 327
TECHNISONIC TDFM-6148
PAI-7000 VERTICAL CARD COMPASS
Dual ControlsYes
HeaterYes
Additional EquipmentFACET CABIN HEATER
PARAVION HELIPORTER
Year Painted2022
Exterior NotesEXCELLENT
Year Interior2022
ConfigurationPassenger
Number of Seats2
Bubble WindowsYes
Interior NotesNEW THROUGHOUT TECH-TOOL WINDOWS
NEW PLANE PLASTIC INTERIOR TRIM
SEATBELT AND SHOULDER HARNESS'S REWEBED, INERTIAL REELS INSPECTED AND SERVICED
ALL INSTRUMENTS INSPECTED/OVERHAULED
Inspection StatusLast Annual Inspection February 2026
AirworthyYes
Year1966|
ManufacturerHUGHES|
ModelTH55A|
ConditionUsed|
FlightRulesVFR|
Based atKUES|
Total Time4,295|
Range150 Nm|
Max Takeoff Weight757.5 kg|
Basic Empty Weight480.79 kg|
Useful Load276.69 kg|
Max Cruise Speed75 knots|
Hover Ceiling IGE at Max Takeoff Weight1,524 m|
Fuel Capacity Volume94.64 L|
Main Rotor Blade Time Remaining1065|
Main Rotor Hub Time Remaining2498|
Main Rotor Gearbox Time Remaining4529|
Anti-Torque SystemTail Rotor|
Tail Rotor Blade Time Remaining4115|
Tail Rotor Gearbox Time Remaining437|
Rotor NotesTail Rotor Blades inspected and refinished April 2025 by Advanced Composites
Main Rotor Blades refinished January 2026|
Engine 1 Make/ModelLYCOMING HIO-360-B1A |
Engine Serial NumberK-516851A|
Engine Horsepower134.23 kW|
Engine Displacement5.9 L|
Fuel Control SystemFuel Injection|
Engine 1 Time85.2 SOH |
Engine TBO1500|
Engine NotesEngine 85 Hrs SMOH
Main Rotor Blades 300 Hrs Since New
Tail Rotor Blades 885 Hrs Since New / 5,000 hr Life Limit (4,100+ Hrs Remaining)|
Modifications/ConversionsNONE|
Avionics/RadiosGARMIN GNC 250XL
GARMIN GTX 327
TECHNISONIC TDFM-6148
PAI-7000 VERTICAL CARD COMPASS|
Dual ControlsYes|
HeaterYes|
Additional EquipmentFACET CABIN HEATER
PARAVION HELIPORTER|
Year Painted2022|
Exterior NotesEXCELLENT|
Year Interior2022|
ConfigurationPassenger|
Number of Seats2|
Bubble WindowsYes|
Interior NotesNEW THROUGHOUT TECH-TOOL WINDOWS
NEW PLANE PLASTIC INTERIOR TRIM
SEATBELT AND SHOULDER HARNESS'S REWEBED, INERTIAL REELS INSPECTED AND SERVICED
ALL INSTRUMENTS INSPECTED/OVERHAULED|
Inspection StatusLast Annual Inspection February 2026|
AirworthyYes|
