Aviation

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

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

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

AirCraft24.com - Offering free and paid aircraft classified ads. Provides automatic translations of ads.
http://www.aircraft24.com

Aircraft For Sale - Offering advertisements in the United Kingdom and Ireland for general aviation aircraft, group flying and clubs.
http://www.afors.com/

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

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

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

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

Ozair Trader - Ozair Trader is an Australian aircraft classified ads site, including general aviation, ultralights, jets, helicopters and sports rotorcraft.
http://www.ozairtrader.com

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

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

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

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

Aeroclassifieds - Free classified listings of aircraft for sale. The site focuses on the UK and Europe, but worldwide listings are welcomed.
http://www.aeroclassifieds.co.uk

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

PropWash.com - Featuring many types of aircraft for sale 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.pmctrade.com/

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

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

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

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

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

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

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

AircraftMarketplace - Specializes in pre-owned aircraft sales, including jet and helicopter sales. Includes a directory of related businesses.
http://acmp.com/

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

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

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

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

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

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

Natco Trading Corporation - Fee based classifieds for all types of aircraft. Includes forums, industry links, and dealer information.
http://www.airplanetradeonline.com/

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

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

Buy Planes For Sale - Classified ads for all things aviation including aircraft, airplanes, helicopters, engines, parts and employment.
http://www.buyplanesforsale.com