The BK.117 is a twin-engined medium utility–transport helicopter
jointly developed between Messerschmitt-Bölkow-Blohm (MBB) of Germany and Kawasaki of Japan.
It first flew on June 13, 1979 and was in production until 2004 after 443 aircraft built when it was replaced by the EC.145.
On December 2012, Kawasaki delivered the 1000th airframe of the Bk117/EC145 family.
As of July 2018, over 1300 Bk117/EC145 delivered
c/n 1... : Kawasaki Bk.117A/B/C
c/n 7000 to 7253 : MBB built Bk.117A/B (listed here)
c/n 7500 to 7554 : Eurocopter Bk.117C1
c/n 4... : Kawasaki Bk.117C2 ( Japan EC145 )
c/n 9... : Eurocopter EC145 ( certificate Bk.117C2 ), rebranded Airbus Helicopters in 2014
c/n 20... : originally known as EC145T2, Airbus Bk.117D2 / H145 and military EC645 / Bk.117D2M / H145M
c/n 21... : Airbus Bk.117D3 / H145 (5-blade)
It first flew on June 13, 1979 and was in production until 2004 after 443 aircraft built when it was replaced by the EC.145.
On December 2012, Kawasaki delivered the 1000th airframe of the Bk117/EC145 family.
As of July 2018, over 1300 Bk117/EC145 delivered
c/n 1... : Kawasaki Bk.117A/B/C
c/n 7000 to 7253 : MBB built Bk.117A/B (listed here)
c/n 7500 to 7554 : Eurocopter Bk.117C1
c/n 4... : Kawasaki Bk.117C2 ( Japan EC145 )
c/n 9... : Eurocopter EC145 ( certificate Bk.117C2 ), rebranded Airbus Helicopters in 2014
c/n 20... : originally known as EC145T2, Airbus Bk.117D2 / H145 and military EC645 / Bk.117D2M / H145M
c/n 21... : Airbus Bk.117D3 / H145 (5-blade)
Derivatives & Versions | |
| Model | Year | History |
 KHI bk117 | 1979 | The Bk117 was a joint development between Kawasaki and German MBB (then Eurocopter, now Airbus). Serial production began in 1983.
Kawasaki pro ... |
| Bk117A-1 | 1982 | Powered by two Lycoming LTS 101-650B-1 engines. |
| Bk117A-3 | 1985 | |
| Bk117A-4 | 1986 | |
| Bk117B-1 | 1987 | Powered by two LTS 101-750B-1 engines |
| Bk117B-2 | 1989 | |
| Bk117B-3 | 1990 | |
| EC Bk117 | 1992 | MBB became part of Eurocopter in mid 1991. Airframes are listed here
it was succeeded by the EC.145 |
| Airwork NZ BK117-850D2 | 2010 | Developed by Airwork NZ at Ardmore, New Zealand is the MBB/Kawasaki/Eurocopter Bk117B2 with their engines replaced with Honeywell LTS 101-850B-2 ... |