Rule 66 — Securing Equipment After an Emergency Brake Application on Grade

1. (a)When a train experiences an emergency brake application on a heavy or mountain grade, the operating crew must immediately provide details of the situation to the proper authority, and be governed by any additional instructions received from the proper authority.
2. (i)the train must be secured immediately per (f) if any of the following conditions exist:
3. (i)If less equipment is present in the movement than required by the following table, hand brakes must be applied on all equipment.
4. (ii)If none of the conditions in (e) (i) apply, attempt to recover from the emergency brake application. If air does not recover, the train must be immediately inspected for cause. If cause cannot be determined or immediately corrected, so that air can recover, the train must be secured per (f).
5. (ii)The retarding force of locomotive(s) is not included in the following hand brake requirements, and must not be used to diminish these requirements.
6. (b)When a train experiences an emergency brake application and any portion of the train is located on a mountain grade, the entire train must be considered to be on mountain grade.
7. (c)In the event of a derailment or a train separation on heavy grade or mountain grade, the portion of the train at greatest risk of unintended movement must be secured first.
8. (d)When a train experiences an emergency brake application on a mountain grade, the hand brakes must be immediately applied as per (f) before attempting to recover the air brake system.
9. (e)When a train experiences an emergency brake application on a heavy grade
10. (f)When securing the train using the hand brake requirement table, the following apply

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