including responsibilities associated with overseeing aviation manufacturers and new airspace entrants. (D) Means by which field managers use the model to assess aviation safety inspector staffing and provide feedback on resources needed at the office level. (E) Work performed by aviation safety inspectors in comparison to designees acting on behalf of the Administrator. (F) Any associated performance metrics to inform periodic comparisons to actual aviation safety inspector staffing level results. (3) Consultation In carrying out this section, the Administrator shall consult with interested persons, including the exclusive collective bargaining representative for aviation safety inspectors certified under section 7111 of title 5, United States Code. 431. Safety-critical staffing (a) Implementation of staffing standards for safety inspectors Upon completion of the revised staffing model for aviation safety inspectors under section 430, and validation of the model by the Administrator, the Administrator shall take all appropriate actions in response to the number of aviation safety inspectors, aviation safety technicians, and operation support positions that are identified in such model to meet the responsibilities of the Flight Standards Service and Aircraft Certification Service, including potentially increasing the number of safety critical positions in the Flight Standards Service and Aircraft Certification Service each fiscal year, as appropriate, so long as such staffing increases are measured relative to the number of individuals serving in safety-critical positions as of September 30, 2023. (b) Availability of appropriations Any increase in safety critical staffing pursuant to this subsection shall be subject to the availability of appropriations. (c) Safety-critical positions defined In this section, the term safety-critical positions means— (1) aviation safety inspectors, aviation safety specialists (1801 job series), aviation safety technicians, and operations support positions in the Flight Standards