(c)
additionally, for an STI(H), have completed at least 1 hour of flight time as an observer on the flight deck of the applicable type of helicopter, within the 12 months preceding the application.

FCL.930.STI STI -Training course
(a)
The training course for the STI shall comprise at least 3 hours of flight instruction related to the duties of an STI in an FFS, FTD 2/3 or FNPT II/III, under the supervision of an FIE. These hours of flight instruction under supervision shall include the assessment of the applicant’s competence as described in FCL.920.

Applicants for an STI(A) wishing to instruct on a BITD only, shall complete the flight instruction on a BITD.

(b)
For applicants for an STI(H), the course shall also include the FFS content of the applicable TRI course.

FCL.940.STI Revalidation and renewal of the STI certificate
(a)
Revalidation. For revalidation of an STI certificate the applicant shall have, within the last 12 months of the validity period of the STI certificate:

(1)
conducted at least 3 hours of flight instruction in an FFS or FNPT II/III or BITD, as part of a complete CPL, IR, PPL or class or type rating course; and

(2)
passed in the FFS, FTD 2/3 or FNPT II/III on which flight instruction is routinely conducted, the applicable sections of the proficiency check in accordance with Appendix 9 to this Part for the appropriate class or type of aircraft.

For an STI(A) instructing on BITDs only, the proficiency check shall include only the exercises appropriate for a skill test for the issue of a PPL(A).
(b)  Renewal. If the STI certificate has lapsed, the applicant shall: 
(1)  receive refresher training as an STI at an ATO; 
(2)  pass in the FFS, FTD 2/3 or FNPT II/III on which flight instruction is routinely 

conducted, the applicable sections of the proficiency check in accordance with Appendix 9 to this Part for the appropriate class or type of aircraft.
For an STI(A) instructing on BITDs only, the proficiency check shall include only the exercises appropriate for a skill test for the issue of a PPL(A).
EN EN

(3) conduct on a complete CPL, IR, PPL or class or type rating course, at least 3 hours of flight instruction under the supervision of an FI, CRI(A), IRI or TRI(H) nominated by the ATO for this purpose. At least 1 hour of flight instruction shall be supervised by an FIE(A).
SECTION 10 Mountain rating instructor -MI FCL.905.MI MI -privileges and conditions
The privileges of an MI are to carry out flight instruction for the issue of a mountain rating.
FCL.915.MI MI -Prerequisites
An applicant for an MI certificate shall: a) hold a, FI, CRI, or TRI certificate, with privileges for single-pilot aeroplanes; b) hold a mountain rating.
FCL.930.MI MI -Training course
(a)
The training course for the MI shall include the assessment of the applicant’s competence as described in FCL.920.
　
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