01- ContinentalSB03-3 02- HF1Module_I 03- 12TCHFrecurrent 04- HFrecurrentVideoFAA 05- www.aeronautica.gob.pa 06- www.aerocivil.gov.co 07- www.dgac.gov.ec 08- www.dgac.cl 09- www.sct.gob.mx 10- www.seguridadaerea.es 11- www.airbus.com 12- www.boeing.com 13- www.cessna.com 14- www.piper.com 15- www.soloy.com 16- www.mdhelicopters.com 17- www.bombardier.com 18- www.embraer.com 19- www.bellhelicopter.com 20- www.pama.org 21- www.mitre.org 22- www.flightinternational.com 23- www.amtonline.com 24- www.inglesaeronautico.com 25- www.hangarcentral.com