Base maintenance
The heavy maintenance, generally C and D check
Approved standard
Approved by manufacturing, design, maintenance or quality
Certifying staff
Personnel responsible for the release of an aircraft
Competent authority
A ministry, national aviation authority
Large aircraft
Aeroplane with a maximum take off mass of more than 5700kg or multi engine helicopter
Line maintenance
Maintenance that carried out before flight. Pre flight, daily, weekly, A & B check
Minimum equipment list
Master list of what the aircraft can fly without