Updated 01-Apr-2021

Credits


Individuals
Carlos Abella / Roll Out
Alexis Antonakis / SPOTTERS
Andy Appleton
Tony Arbon / AustAirData
Steve Atherton
Ron Bartlett
Joe Baugher / US military serial numbers
P. Bayard duPont
Tony Beales
Simon Beck / US Warplanes.net
Pieter Bes
Martin Best
René Biber
Jean Bizot / Helicophoto
Robert Branbergen
Winston Brent / African Aviation Series
Michel Brossaud
Pascal Brugier / Registres du Monde
Ian Burnett
Chris Busby
Roger Caird
Stu Carr / Modern Autogyros
Ian Carroll
John Chapman
David Clarke / Dauphin 2 database
John Clarke
Kevin Cleaver
Catalin Cocirla
Frank Cohen / Helisecours
Paul Compton / Nordic Research
Péter Czégény
Obrad Dabetic
Steve Darke / thai-aviation.net
John Davis
Jeremy Day
Herman Dekker / Luchtvaartarchief
Andy Dick
Mark Diekmann
Erwin van Dijkman
Marco Dijkshoorn
André Dillien / OO registration lists
Graham Drabble
Mike Drake
Mateusz Dutko
Bryn Elliott
David Eyre
Dirk Fassbender
Jack Ferguson
Thomas Ferreira
David Fidler
Steve Fincken
Lars Finken / Danish Aircraft Database
Michael Flebbe
David Garbett
Malcolm Garrington
Jorge Gazzola / Helicopter History Site
Shai Gendel
Peter-Michael Gerhardt
Pierre Gillard / Alouette & Lama
Rickard Gillberg / Nordic Rotors
Thomas Girke / Helicopter-DataBase
Stewart Graham
Len Greer
Julian Griffith-Jones
Damiano Gualdoni
Jerry Gunner
Steve Hadley
Mohd Al Hafiz (Bob)
Carl Hart
Martin Hausmann
John Hayles / Aeroflight
Graham Hector
Markus Herzig / Swiss Heli
Coen van den Heuvel / Flash Aviation Shop
Peter Hillman
Les Hitchings
Graham Hocquard
Derek Hoddinott
Sir Hofma
Mike Hollick
David Hooton / PNG Aviation
Balázs Horváth / Hungarian Aviation
Roger House / Aviation Codes Central
Pete Hughes
Vojislav Jereb
Luc Jerome / Helimat
Terry Judge
Stewart Kedar
Lisa Kersting
Kimmo Ketolainen
Graham Kidger
András Kisgergely
Elisabeth Klimesch
Martin de Koning / Helifinder
Václav Kudela
Arno Landewers / Luchtvaartuigregisters
Stewart Lanham
Lionel Laporte
Dave Lenton / CopterCrazy
Warren Leon
Joachim Lippl / Helionline
Pete Longley
Graeme Lovell
Len Lundh
Clive Lynch
Alan Macdonald
Doug MacDonald
Ian MacDonald
Alan Macey
Søren Madsen
Jan Makkus / Aeroboek
Andy Marden
Samuel Marti
Bernard Martin
Steve Martin
Patrick Mathieu / Heli-Union
Michael Mau
Steven May / Xenon Gyros
Frank McMeiken
Charles McWhan
Jens Miles / MBB BO 105
Adrian Morgan
Tony Morris
Ioannis Mylonas
Sid Nanson
Ole Nikolajsen / Aviation in Turkey
Jonathan Olguin / Aviación Boliviana
Guus Ottenhof
Kevin Palmer
George Pantalos
Jeremy Parkin / HeliHub
Keith Parkinson
David Paull
Leith Paxton
Steve Payne-Roberts
Andrew Pentland / Golden Years of Aviation
Bruce Perkins
Andrei Popa
Michael Rice
Ken Rijock
Bram Risseeuw
Michael Roch
Stefan Rockenbauer
Giovanni Rodríguez
Dominique Roosens
Keith Rossiter
Enrico di Rosso
Geoff Russell
Steve Rush
Kiyoshi Sato
Bertus Scholten
Dave Scully
Igor Seveliov
Rod Simpson
Joachim Sjöström
Erik Skaarup
Len Skinner
Graham Slack
Wim Sonneveld
John Streeter
Jacob Struben
Roman Svoboda / Helidat
Tomasz Swędzioł
Tomasz Szymanowicz
Boris Tikhonov
Daniel Troncatti
José Ramón Valero / RNAC
Johan Vandenbussche / Helispot
Kristof Vandermoere
Martin Vavros
Peter Vercruijsse
Michiel Vermeer
Bert Visser
Henk Wadman
Peter Watson
Grant Williams
Dan Willink / AMCAR-USA
Peter Wilmink / NOTAR helicopters
Gordon Wimmer
Jörg Windmüller
David Wise / Aviation History Website
Joost de Wit / Aviaspotters
Remco de Wit
Luc Wittemans
Jack Wolbrink / Aviationweb déjà vu
David Woods
Phil Yeadon
Stipe Zivaljic
 
+ the ones who wish to remain anonymous
Organisations
AeroMuseu (Brasil)
Air-Britain News
Airnieuws
Aviation in Nigeria
BUCHair HELIcopters
Flash
Forgotten Rotors
Heli-Euro
Helihub
Helispot
JP Airline-Fleets
LAAS International
Midland Counties Publications
On Dutch Wings.nl
Police Aviation News
Rotorhub
Scramble
Scramble Messageboard - Helispot
Shrieking Gazelles / Aviafora
Soviet Transports
Spotter's Nest
The Aviation Hobby Shop
TLAS Production Lists
UK-Copter website
Yahoo Groups - ABIX
Yahoo Groups - Copters
Yahoo Groups - GyroSpotters
Links on AirNet website
Links to complete civil helicopter registers
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