Page 398 - UK Air Operations Regulations 201121

Part CAT - ANNEX IV - Commercial Air Transport Operations

be operational at the entry point of the RNP 4 airspace. If an item of equipment required for
RNP 4 operations is unserviceable, then the flight crew may consider an alternate route or
diversion for repairs. For multi-sensor systems, the AFM may permit entry if one GNSS
sensor is lost after departure, provided one GNSS and one inertial sensor remain available.
CAT.IDE.A.345(c) GM1 Communication and navigation equipment for operations under IFR or under VFR over routes not navigated by
reference to visual landmarks
SHORT HAUL OPERATIONS
The term ’short haul operations’ refers to operations not crossing the North Atlantic.
CAT.IDE.A.350 Transponder
Aeroplanes shall be equipped with a pressure altitude reporting secondary surveillance radar (SSR)
transponder and any other SSR transponder capability required for the route being flown.
CAT.IDE.A.350 AMC1 Transponder
SSR TRANSPONDER
(a) The secondary surveillance radar (SSR) transponders of aeroplanes being operated under
European air traffic control should comply with any applicable Single European Sky
legislation.
(b) If the Single European Sky legislation is not applicable, the SSR transponders should
operate in accordance with the relevant provisions of Volume IV of ICAO Annex 10.
CAT.IDE.A.355 Management of aeronautical databases
(a) Aeronautical databases used on certified aircraft system applications shall meet data
quality requirements that are adequate for the intended use of the data.
(b) The operator shall ensure the timely distribution and insertion of current and unaltered
aeronautical databases to all aircraft that require them.
(c) Notwithstanding any other occurrence reporting requirements as defined in Regulation
(EU) No 376/2014, the operator shall report to the database provider instances of
erroneous, inconsistent or missing data that might be reasonably expected to constitute a
hazard to flight.
In such cases, the operator shall inform flight crew and other personnel concerned, and
shall ensure that the affected data is not used.
CAT.IDE.A.355 AMC1 Management of aeronautical databases
AERONAUTICAL DATABASES
When the operator of an aircraft uses an aeronautical database that supports an airborne navigation
application as a primary means of navigation used to meet the airspace usage requirements, the
database provider should be a Type 2 DAT provider certified in accordance with Regulation (EU)
2017/373 or equivalent.
CAT.IDE.A.355 GM1 Management of aeronautical databases
AERONAUTICAL DATABASE APPLICATION
(a) Applications using aeronautical databases for which Type 2 DAT providers should be
certified in accordance with Regulation (EU) 2017/373 may be found in GM1 DAT.OR.100.
(b) The certification of a Type 2 DAT provider in accordance with Regulation (EU) 2017/373
ensures data integrity and compatibility with the certified aircraft application/equipment.
CAT.IDE.A.355 GM2 Management of aeronautical databases
TIMELY DISTRIBUTION
The operator should distribute current and unaltered aeronautical databases to all aircraft requiring
them in accordance with the validity period of the databases or in accordance with a procedure
established in the operations manual if no validity period is defined.
CAT.IDE.A.355 GM3 Management of aeronautical databases
STANDARDS FOR AERONAUTICAL DATABASES AND DAT PROVIDERS
(a) A ‘Type 2 DAT provider’ is an organisation as defined in Article 2(5)(b) of Regulation (EU)
2017/373.
(b) Equivalent to a certified ‘Type 2 DAT provider’ is defined in any Aviation Safety Agreement
between the UK and a third country, including any Technical Implementation Procedures, or
any Working Arrangements between the CAA and the aviation authority of a third country.
CAT.IDE.H.100 Instruments and equipment — general
(a) Instruments and equipment required by this Subpart shall be approved in accordance with
the applicable airworthiness requirements, except for the following items:
(1) independent portable lights;
(2) an accurate time piece;
(3) chart holder;
(4) first-aid kit;
(5) megaphones;
(6) survival and signalling equipment;
(7) sea anchors and equipment for mooring;
(8) child restraint devices.
(b) Instruments and equipment not required under this Annex (Part-CAT) as well as any other
equipment which is not required under this Regulation, but carried on a flight, shall comply
with the following requirements:
(1) the information provided by those instruments, equipment or accessories shall not
be used by the flight crew members to comply with Annex II to Regulation (EU)
2018/1139 or points CAT.IDE.H.330, CAT.IDE.H.335, CAT.IDE.H.340 and
20th November 2021 398 of 856