Osprey GP-4Experimental Aircraft • Cedar Rapids, IA, USA

This Osprey GP-4 unfinished project, listed for $25,000 and located in Cedar Rapids, Iowa, represents a substantially advanced homebuilt aircraft build. According to the seller, the airframe is at an honest 98 percent or greater completion point, having been constructed to the plans without significant modifications. The project remains unfinished and will require all interior appointments, exterior fit and finish, avionics, and most everything north of the firewall; a cowl is not included but is available from a third party. The seller notes no damage history. A pre-welded IO-360 dynafocal engine mount ring was used, and the engine mount...

Make: Osprey

Series: GP-4

Model: GP-4

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Specifications

Category: Experimental

Intended Use: Recreational

Flight Rules: VFR

Avionics

GPS

Avionics not installed; internal antennas wired to avionics bay

Additional Equipment

Engine Mount

Professionally welded and powder coated engine mount/nose gear assembly

Lord Mounts

New heavy duty lord mounts included

Oil Cooler

Airflow Systems NDM 20006A - New oil cooler, NDM P/N

Landing Gear

Parker - Electro-hydraulic landing gear complete; main gear components welded and painted; main gear doors installed; 1000 psi hydraulic power unit installed

Flaps

Vans RV-6/7/8/9 - Flaps extended and retracted by new linear actuator

Fuel System

Holley 12-802-1 - Fuel system complete through firewall mounted fuel filter; gallon centerline fuselage tank and gallon tank in each wing; P/N fuel pump providing PSI; four position fuel tank selector

Canopy

3/16" clear canopy installed and sliding well; forward and aft locking pins engage when closed; tight fitting skirt installed

Windscreen

1/4" thick lightly smoked windscreen included and cut to size, but not installed

Control Cables

All control cables throughout the airframe are stainless steel with end fittings professionally swaged by Aircraft Spruce

Pitot Tube

12-AN5812 - New heated pitot tube, type

Pitch Trim

Ray Allen - New electric pitch trim system installed

Wheels and Brakes

Cleveland - New wheels/brakes with rudder pedal cylinders reservoir installed

Strobe Power Supply

Whelen HDAFC - New model HDAFC strobe power supply (multi-flash) with combination strobe/position lights on wingtips and tail

Cabin Air Vents

NACA inlets, aeroduct, and cabin air vents installed

Antennas

Internal antennas installed per plans: Comms (1 in vertical stabilizer and 1 in right wing), VOR/Glideslope and Marker Beacon in aft fuselage, Transponder in lower fuselage

Instrument Panel

GT-50 - Includes pilot headset jacks, auto dimming gear indicator, flap/pitch trim/aileron trim indicators, vacuum gauge, split master switch, ignition switch, Flight Data System; center panel with used airspeed indicator, electric turn coordinator, artificial horizon, directional gyro, altimeter, vertical speed indicator; right panel with seven internally lit combination switches/circuit breakers, tachometer, TSO'd fuel flow/manifold pressure gauge, EGT/CHT gauges, oil temperature/pressure gauge, voltmeter/amp meter, fuel pressure gauge, center fuel tank level indicator, co-pilot headset jacks, 11 circuit breakers; electro-luminescent lighting

Electrical System

Comprised of four removable modules with plug-in connectors; fully documented with schematics

Seats

Seat frames built and strung, but not finished; includes Confor Foam seat cushions

Compass

Precision Aviation PAI-700 - One Vertical Card Magnetic Compass, new

Headsets

David Clark H10-75 - Two (military version) headsets with adapter connectors

Vacuum Pump

Rapco RA215CC - vacuum pump and vacuum regulator, both used

Wing Jacks

Two wing jacks