Locomotive Mechanical & Safety Inspections Flashcards

Under FRA regulations, how often must a locomotive receive a Class IA inspection?

Answer: Every 92 days

FRA regulations require a Class IA inspection every 92 days for locomotives in service.

Which component must be tested before each locomotive departure to ensure safe brake application?

Answer: Automatic air brake system

A brake test of the automatic air brake system is required before each departure to confirm proper operation.

What is the minimum brake cylinder piston travel limit before corrective action is required on most freight locomotives?

Answer: 7 inches

FRA regulations specify that brake cylinder piston travel should not exceed 7 inches without corrective maintenance.

When inspecting locomotive wheels, a flat spot exceeding what length requires the unit to be removed from service?

Answer: 2½ inches

A wheel flat spot exceeding 2½ inches in length requires the locomotive to be removed from service per FRA rules.

What does a 'blue flag' displayed on a locomotive indicate?

Answer: Workers are on or under the equipment — do not move

A blue flag or blue light indicates that workers are on, under, or between equipment, and the locomotive must not be moved.

Which FRA regulation part specifically governs locomotive safety standards?

Answer: 49 CFR Part 229

49 CFR Part 229 establishes the railroad locomotive safety standards enforced by the FRA.

What action must an engineer take upon discovering a non-complying condition on a locomotive at an away-from-home terminal?

Answer: Report it and wait for authorization to operate or have the defect repaired

The engineer must report the defect and either wait for authorized permission to continue or have the defect corrected before proceeding.