| Mar.1953 | Obtained license of aircraft service. (No.12 M.T.) | 
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| Nov.1953 | Obtained license for non-scheduled air transportation. (No.6 M.T.) | 
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| July.1963 | Started scheduled air transportation. | 
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| Feb.1965 | Assigned scheduled air transportation license to All Nippon Airways Co.,Ltd. | 
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| May.1972 | Started repair service for propeller aircraft with gross weight of less than 5 tons. (Permit No.138 M.I.T.I.) | 
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| Jan.1973 | Started surveying business. (Registered No.13-4989) | 
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| July.1975 | Started telecommunication equipment repair service. (M.I.T.I.) | 
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|  | Started repair service for radio navigational equipment. (M.I.T.I.) | 
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| Dec.1975 | Started landscape gardening business. (Permit No.18188 Governor of Aichi Pref.) | 
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| Sep.1976 | Started starter repair business. (M.I.T.I) | 
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| Jun.1977 | Started repair service for rotorcraft with gross weight of less than 3 tons. (Permit No.144 M.I.T.I.) | 
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|  | Started repair service INSTRUMENT. (Permit No.152 M.I.T.I.) | 
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| Mar.1980 | Registered as consultant of construction. (Registered No.KEN-4-2923) | 
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| Sep.1981 | Started repair service ROTORCRAFT  TRANSMISSION. (Permit No.163 M.I.T.I.) | 
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| Apr.1984 | Started helicopter emergency medical service. | 
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| May.1984 | Started repair service AIRCRAFT GENERATOR. (Permit No.886 M.I.T.I.) | 
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| Jun.1984 | Approved Organization of Parts Repair and Alternation ACCESSORY. (No.1072 M.T.) | 
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| Dec.1986 | Approved Organization of Parts Repair and Alternation TRANSMISSION. (No.1072 M.T.) | 
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| Mar.1988 | Started ROTORCRAFT repair service Gross weight of more than 5tons. (Permit No.194 M.I.T.I.) | 
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| Jan.1990 | Received JCAB authorization to engage in the repair and alteration of rotarcraft component. (No.1072 M.T.) | 
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| May.1994 | Authorized as a Customer Service Facility(CSF) in Japan for Bell Helicopter Textron Inc. (BHT). | 
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| Jan.1996 | Authorized as a Service Station LEVEL-3 in Japan for Eurocopter France. | 
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| Sep.1997 | Received JCAB authorization to engage in the aircraft maintenance and aIteration of Bell 206 helicopter. (No.028 M.T.) | 
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| Jan.1998 | Received JCAB’s AOC ( Air Operator Certificate) to conduct the domestic air transport services on Cessna Citation V jet - CE560. | 
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| Jun.1998 | Received TAB authorization as a Radio Station Private Inspector. | 
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|  | Approved Organization of Aircraft Maintenance and Inspection (Bell 206&Bell412). (No.028 M.T.) | 
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| Sep.1988 | Received JCAB approval to engage in the international air transport service by using Cessna Citation 560 business jet aircraft. | 
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| Oct.1998 | Conducted the support mission in deploying AS355F2 helicopter for the 40th Japanese Antarctic Research Expedition. | 
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| Nov.1998 | Authorized as a Service Center in Japan for AGUSTA.(A109) | 
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| Feb.1999 | Approved Organization of  Aircraft Maintenance  and Inspection (Bell 206&Bell412) | 
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| Feb.2000 | Beginning of the international transport services. | 
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| Dec.2000 | Certified of ISO9001 at the Research and Survey Division. | 
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| Nov.2005 | Conducted the support mission in deploying a pilot, a mechanic and BK117 helicopter for the 46th Japanese Antarctic research Expedition. | 
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| Feb.2005 | Started to provide the full services to the transient foreign registered business jets at the Aichi Prefectural Nagoya Airport. | 
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| Aug.2006 | Completed the construction of Head Office H2 Building -Operation Center- | 
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| Sep.2007 | Recognized as a EUROCOPTER APPROVED MAINTENACE CENTER EC135. | 
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| Mar.2010 | Authorized as a Service Center in Japan for AGUSTA.(A139) | 
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| Nov.2010 | Conducted the support mission in deploying a pilot, a mechanic and AS 350 helicopter for the 52nd Japanese Antarctic Research Expedition. | 
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| Dec. 2011 | Completed the second office of the Headquarters. | 
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| Jan. 2013 | Certificated of Information Security Management System .(ISMS) | 
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| Feb. 2015 | Delected Organization of Parts Repair and Alternation ACCESSORY. (No.1072 M.T.) | 
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| July. 2017 | Started the airplane emergency medical transportation service (medical wing) | 
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| May. 2019 | Opening the Tochigi Maintenance Center | 
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| Dec. 2020 | Comencement of Operation H1 Building -MRO Center- | 
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| Mar. 2021 | Introduction of the AW139 FTD | 
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| Apr. 2021 | Opening the Safety Innovation Hall | 
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