49 C.F.R. § 212.209 – Train control inspector.

(a) The train control inspector is required, at a minimum, to be able to conduct independent inspections of automatic cab signal, automatic train stop, and automatic train control devices on board locomotives for the purpose of determining compliance with subpart E of the Rules, Standards and Instructions for Railroad Signal Systems (49 CFR part 236) and to recommend the institution of enforcement action when appropriate to promote compliance.
(b) The train control inspector is required, at a minimum, to have at least four years of recent experience in locomotive construction or maintenance. A bachelor's degree in electrical engineering or a related technical specialization may be substituted for two of the four years of this experience requirement and successful completion of the apprentice training program may be substituted for the four year experience requirement.
(c) The train control inspector shall demonstrate the following specific qualifications:
1. (1) A comprehensive knowledge of the various train control systems used on board locomotives, locomotive air brake systems and test and inspection procedures;
2. (2) The ability to understand and detect deviations from:
  1. (i) Train control maintenance standards accepted in the industry; and
  2. (ii) Subpart E of the Rules, Standards and Instructions for Railroad Signal Systems (49 CFR part 236);
3. (3) Knowledge of operating practices and train control systems sufficient to understand the safety significance of deviations and combinations of deviations; and
4. (4) Specialized knowledge of the requirements of subpart E of the Rules, Standards and Instructions for Railroad Signal Systems, including the remedial action required to bring train control systems used on board locomotives into compliance with the standards.