---
title: "FCL.910.STI STI – Restricted privileges — Part-FCL · Avioverse"
description: "The privileges of STIs shall be restricted to the FSTD in which the STI training course was taken."
url: "https://avioverse.aero/regulations/easa/aircrew/part-fcl/subpart-j/fcl-910-sti"
---

# FCL.910.STI STI – Restricted privileges

ANNEX I (Part-FCL) · Regulation (EU) No 1178/2011 · EAR revision 25 Nov 2025

IR Implementing rule

## FCL.910.STI STI – Restricted privileges

The privileges of STIs shall be restricted to the FSTD in which the STI training course was taken.

The privileges may be extended to other FSTDs representing further types of [aircraft](https://avioverse.aero/glossary/easa/aircraft) if in the period of 12 months immediately preceding the application the holders have:

(a) completed the FSTD content of the CRI or TRI course on the class or [type of aircraft](https://avioverse.aero/glossary/easa/type-of-aircraft) for which instructional privileges are sought;

(b) passed in the FSTD on which flight instruction is to be conducted, the applicable section of the [proficiency check](https://avioverse.aero/glossary/easa/proficiency-check) in accordance with Appendix 9 to this Annex for the appropriate class or type of aircraft.

For STIs(A) instructing on BITD only, the proficiency check shall include only the exercises appropriate for the [skill test](https://avioverse.aero/glossary/easa/skill-test) for the issue of a PPL(A);

(c) conducted, on a CPL, an IR, a PPL or a class or type rating course, at least 3 hours of flight instruction under the supervision of an FI, a CRI(A), an IRI or a TRI nominated by the ATO for this purpose, including at least 1 hour of flight instruction that is supervised by an FIE in the appropriate aircraft category.

IR · FCL.910.STI — Regulation (EU) No 1178/2011 · Regulation (EU) 2019/1747 · Aircrew Easy Access Rules · EAR revision 25 Nov 2025

[All rules in SUBPART J – INSTRUCTORS](https://avioverse.aero/regulations/easa/aircrew/part-fcl/subpart-j)

Consolidated from the EASA Easy Access Rules (revision 25 Nov 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.