IATA Aircraft Lease Guidance

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In Europe, under EASA rules, the air operator needs to have a separate approval in the form of a
Continuing Airworthiness Management Organization Approval, which sets organizational standards in
addition to the standards for ensuring airworthiness of the aircraft.
3.3.5 Additional Airworthiness
It is possible that amendments to the airworthiness code have been made after type certification. Some
safety improvements are not implemented because the certification basis is established at the beginning of
the process. In some cases, these amendments are considered so important for safety that they are
introduced as additional airworthiness requirements. A majority of the requirements pertains to cabin safety
and fire protection, but they also include other parts or systems of the aircraft. The concept of additional
airworthiness requirements is not recognized by ICAO. In Europe, these requirements were codified as JAR-
26; in the US they are either introduced by means of FAR 25.2, FAR 121, or FAR 26. The EASA is still
developing and implementing rule which contains Part 26 and CS-26 with certification specifications.
Different states can hold different parties responsible for additional airworthiness certification. For example,
EASA Part 26 is addressed to the operator, while FAR 26 is addressed to the TC holder.
3.3.6 Operational Requirements
When the aircraft is type-approved, registered, and has a CoA, the aircraft will be allowed to fly. However, the
aircraft is not allowed to fly for commercial air transport operations unless the operator is approved and
additional approved equipment is installed.
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Air Operator Certificate
Every operator engaged in commercial air transport, must have a valid Air Operator Certificate (AOC)
issued by the State of Operator. According to ICAO, such an approval is obtained by demonstrating to
the State of Operator ‘the adequate organization, method of control and supervision of flight operations,
training program as well as ground handling and maintenance arrangements consistent with the nature
and extent of the operations specified’ 13 .
The requirements for an air operator include requirements for instruments and equipment. ICAO Annex 6,
Part I lists those as a function of the kind of operation. Most of the countries have copied these
requirements, which ensure harmonization between the various countries. However, some countries
have added additional requirements, which are unique and therefore may require modification of an
aircraft when imported into such a country. The USA is known to have more stringent requirements such
as:
o
o
Flight Data Recorder (FDR) parameters
Windshear equipment
13
ICAO Annex 6 – Part I
4 th Edition 2017 37