questions on civil aircraft

I´m a German student of the law, aged 23. I own some books on ships, aircraft etc and try to fill gaps of these books.
Please visit my homepage for further info on my books etc. Buying books in at the moment a no-no for me, I´m a student, not earning money, and I already spent some on the books I reviewed at my homepage. I also searched through all search engines I know, but this takes a lot of time and nerves to visit hundreds of pages to discover they have only the information everybody has. So I HAVE TO try other ways, p.e. asking you.

Eurocopter AS 355: which versions exist? when did they enter into service? http://picpage7.tripod.com/eurocopter/as355.html
HAL 228: I seek photos, designation, year of first delivery, equipment and purpose of each version. http://picpage7.tripod.com/hal.html
Mil Mi-17KF: entry into service http://picpage7.tripod.com/mil.html
Mil Mi-17M: entry into service http://picpage7.tripod.com/mil.html
Mil Mi-17MD: entry into service http://picpage7.tripod.com/mil.html
Mil Mi-26T/TM Halo: photos, entry into service http://picpage7.tripod.com/mil.html

Piper PA-32R-301 Saratoga IIHP: date of first delivery, photo
Piper PA-32R-301 Saratoga IITC: date of first delivery, photo
Socata TB 360 Tangara: date of first delivery
Socata TB-200 Tobago XL: date of first delivery
Socata TB-9 Tampico: date of first delivery, photo
Socata TB-10 Tobago: date of first delivery, photo
Socata TB-20 Trinidad GT: date of first delivery
Socata TB-20 Trinidad: date of first delivery
Socata TBM 700: date of first delivery
Visionaire VA-10 Vantage: date of first delivery
Xian Yun-7-100: date of first delivery, photo
Xian Yun-7-100A: date of first delivery, photo
Xian Yun-7-100C: date of first delivery, photo
Xian Yun-7-200A: date of first delivery, photo
Xian Yun-7-200B: date of first delivery, photo

Aero International (Regional) RJ 85QT: date of first delivery, photo, dimensions
Aero International (Regional) RJ 100QT: date of first delivery, photo, dimensions
Airbus A321 versions: photos
Airbus A330 versions: photos
Airbus A340-300 versions: date of first delivery, photo
MD-903 Explorer: photo
Bombardier Regional Jet RJ 100 versions: photos
Cessna 560 Citation Ultra: photo
Pilatus PC-6B: date of first delivery, photo
Pilatus PC-6/B2-H4: date of first delivery, photo
Aero AE 270: date of first delivery
Ayres 660 Turbo Thrush: date of first delivery
Boeing MD-11F: date of first delivery 1994?
Boeing 747-400F: date of first delivery
Boeing 757 freighter versions: : date of first delivery, photos, designations
Bell 412 versions: dates of first delivery, photos
Let L-420: date of first delivery

Please visit my homepage, maybe you can help me with my research, or you find something interesting for you: I have lots of links to anything concerning ships, aircraft, airships as well as pics, book reviews, a dictionary and other little helpers.
If I can help you somehow, let me know!!

Thank you very much in advance!!

Lots of links, pictures of all kinds, book reviews, my questions… permanently under construction. The site is a back-up information source for people searching for good homepages related to aircraft, airships and ships.
http://www.geocities.com/friedkappes/flagship.html
The FriedrichFiles

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