(b)
Training course. Applicants for a mountain rating shall have completed, within a period of 24 months, a course of theoretical knowledge instruction and flight training at an ATO. The content of the course shall be appropriate to the privileges sought.

(c)
Skill test. After the completion of the training, the applicant shall pass a skill test with an FE qualified for this purpose. The skill test shall contain:

(1)
a verbal examination of theoretical knowledge;

(2)
6 landings on at least 2 different surfaces designated as requiring a mountain rating other than the surface of departure.

requirements in (c).
(d)  Validity. A mountain rating shall be valid for a period of 24 months. 
(e)  Revalidation. For revalidation of a mountain rating, the applicant shall: 
(1)  have completed at least 6 mountain landings in the past 24 months; or 
(2)  pass  a  proficiency  check.  The  proficiency  check  shall  comply  with  the 

(f) Renewal. If the rating has lapsed, the applicant shall comply with the requirement in (e)(2).
FCL.820 Flight test rating
(a)
Holders of a pilot licence for aeroplanes or helicopters shall only act as PIC in category 1 or 2 flight tests, as defined in Part-21, when they hold a flight test rating.

(b)
The obligation to hold a flight test rating established in (a) shall only apply to flight tests conducted on:

(1)
helicopters certificated or to be certificated in accordance with the standards of CS-27 or CS-29 or equivalent airworthiness codes; or

(2)
aeroplanes certificated or to be certificated in accordance with:

(i)
the standards of CS-25 or equivalent airworthiness codes; or

(ii)
the standards of CS-23 or equivalent airworthiness codes, except for aeroplanes with an maximum take-off mass of less than 2 000 kg.

(c)
The privileges of the holder of a flight test rating are to, within the relevant aircraft category:

(1)
in the case of a category 1 flight test rating, conduct all categories of flight tests, as defined in Part-21, either as PIC or co-pilot;

(2)
in the case of a category 2 flight test rating:

(i)
conduct category 1 flight tests, as defined in Part-21: -as a co-pilot; or

EN EN

-as PIC, in the case of aeroplanes referred to in (b)(2)(ii), except for those within the commuter category or having a design diving speed above 0.6 mach or a maximum ceiling above 25 000 feet;
(ii)
conduct all other categories of flight tests, as defined in Part-21, either as PIC or co-pilot;

(3)
in addition, for both category 1 or 2 flight test ratings, to conduct flights specifically related to the activity of design and production organisations, within the scope of their privileges, when the requirements of Subpart H may not be complied with.
　
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