PropWash.com
- Featuring many types of aircraft including single and multi engine airplanes, helicopters, and ultralights.
- http://www.propwash.com

SellMyAircraft.com
- Offering members a simple and cost effective method of displaying aircraft or aircraft accessories.
- http://www.sellmyaircraft.com

TradePlanes.com
- Offering free classified ads for the aviation community.
- http://www.tradeplanes.com

Aircraft For Sale
- Offering advertisements for general aviation aircraft, group flying and clubs. Based in the United Kingdom.
- http://www.cfors.co.uk

AirplaneMart.com
- Providing general aviation listings including experimentals and military aircraft.
- http://www.airplanemart.com

HelicopterShopper
- Offer listing of helicopters, equipment, parts, avionics, employment, and other related services.
- http://www.helicoptershopper.com

SkyMerchant Aviation Classifieds
- Offering free and paid aircraft classifieds and aviation employment positions.
- http://www.skymerchant.com

Skysupermarket
- Offering free and paid listings for ultralights, helicopters, gliders, and general aviation aircraft
- http://www.skysupermarket.com

AeroAlaska
- Offering free general aviation, vintage aircraft, parts, employment, businesses, and aircraft wanted classifieds.
- http://www.aeroalaska.com

AviaStock.com
- Providing free aviation classified ads including parts, avionics, and accessories for sale or wanted.
- http://aviastock.com

Aircraft Classifieds
- Offering a fee based aircraft listing portal for private and corporate aircraft.
- http://www.sellaviation.com

BuySellAviation.com
- Offering free classifieds for airplanes, helicopters, and aircraft parts. Includes an aviation auction.
- http://www.buysellaviation.com/

Wardley Johnson
- United Kingdom based site offering free ad placement with pay after sale.
- http://www.wardleyjohnson.org.uk/

Used Aircraft
- Offering free classifieds for used aircraft, parts, military planes, helicopters, warbirds, and business jets.
- http://www.usedaircraft.com

Aircraft Marketplace
- Specializes in pre-owned aircraft sales, including jet and helicopter sales.
- http://alpha.acmp.com/

Planequest.com
- Offering paid aircraft listings. Located in Cincinnati, Ohio USA.
- http://www.planequest.com/

MyPlane.com
- Pay per click classifieds featuring planes, helicopters, gliders, and hot air balloons.
- http://www.myplane.com/

List A Plane
- Providing free general aircraft classifieds as well as paid commercial classifieds.
- http://www.listaplane.com

Global Air
- Offering paid and free aircraft classifieds listed by manufacturer.
- http://www.global-air.com

Pilot Market
- Offering listing of general aviation classifieds as well as business and commercial listings.
- http://www.pilotmarket.com/category/Aircraft_For_Sale/

Barnstormers.com
- Providing free classified for general aviation including antiques and experimental aircraft. Also provides aviation related employment classifieds.
- http://www.barnstormers.com/

A-Z Ultralight Classifieds
- Free classifieds for ultralights and light sport planes. Also offering a list of related links.
- http://www.azultralights.com/

Aircraft Bargains
- Providing general aviation listings as well as an aviation forum.
- http://www.aircraftbargains.com/

AeroHunter.com
- Offering free and paid aircraft classified ads. Provides a forum, loan calculator, and weather.
- http://www.aerohunter.com/

Aviatorsale
- Providing a classified listing for general aviation. Based in Denmark.
- http://www.aviatorsale.com/

GreatVehicles.com: Aircraft
- Free photo ads for all types of recreational aircraft.
- http://greatvehicles.com/airplanes/

GreatAircraft.com
- Free advertising covering all kinds of aircraft.
- http://www.greataircraft.com/

AeroTraderOnline
- Providing a listing of used aircraft wanted or for sale. Also offers a listing of dealers, parts, and accessories.
- http://www.aerotraderonline.com/

Aero Buy Sell
- Providing free and paid listings for general aircraft, jets, and parts.
- http://www.aerobuysell.com/

Aircraftbrowser.com
- Featuring fee based photo classifieds for general aviation.
- http://www.aircraftbrowser.com/

Airplane Trader
- Fee based aircraft classifieds for all types of aircraft.
- http://www.airplanetrader.com

TheHangar.co.uk
- Featuring general aviation, ultralight, helicopter, and aircraft parts listings. Based in the United Kingdom.
- http://www.thehangar.co.uk

Aircraft Portal
- Photo advertisements for private or business customers.
- http://www.aircraftportal.com/

Planemart
- Free listings for commercial, regional, and corporate aircraft.
- http://www.planemart.com/

AircraftDealer.com
- A sales directory featuring aircraft for sale from dealers and brokers.
- http://www.aircraftdealer.com/

Aero Photo Classifieds
- Offering searchable database of aircrafts, helicopters and jet planes. Also provides listings of autos, boats, motorcycles, and RVs.
- http://aerophotoclassifieds.com/

Plane World
- Offering aviation classifieds and information.
- http://www.plane-world.com/