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October circular logo

This notification provides a brief summary of each AAR Circular Letter issued during the prior month. TrinityRail monitors these Circular Letters as they relate to or may impact TrinityRail’s fleet, its customers, its shop network and its manufacturing operations. Circular letters may be viewed in their entirety by accessing the fee-based circular letter library from the Transportation Technology Center Inc. (TTCI) at https://www.aar.org/publications/.

These Circular Letter – Quick Notes are intended to improve accessibility to the users and are not proof of revision to the AAR, MSRP’s, Office or Field Manuals per M-1003 2.3.5.

C-13656
Subject: DRAFT Recommended Practice RP-9457.V2.0 – Positive Train Control Master Test Strategy (MTS), is available for review and comment. In support of AAR’s MSRP, Section K-V, Electronics Environmental Requirements & Systems Management
Date Issued: October 14, 2020
Date Effective: October 14, 2020
Group: Information
Summary:
The Positive Train Control Committee is publishing DRAFT Recommended Practice RP-9457.V2.0 – Positive Train Control MTS, for review and comment.

C-13657
Subject: IMPLEMENTED. AAR MSRP, Section K-IV Office Architecture and Railroad Electronics Messaging, Standard S-9361.V3.0
Date Issued: October 14, 2020
Date Effective: October 14, 2020
Group: Locomotive
Summary:
Standard S-9361.V3.0 contains messages passed between the Positive Train Control Office Segment and the Locomotive Segment, and messages passed between the Wayside Status Relay Service and the Locomotive Segment.

C-13658
Subject: Implementation of Revisions to Figures 54-A, 58-C, 88-C, 88-K, and 91 – Section 6 of the AAR Open Top Loading Rules Manual (OTLR)
Date Issued: October 21, 2020
Date Effective: October 21, 2020
Group: Shipper
Summary:
The OTLR Committee has approved the following revisions to Section 6 OTLR manual for Figures 54-A, 58-C, 88-C, 88-K, and 91.

C-13659
Subject: Implementation of Revision to Figure 27 of Section 5 of the OTLR Manual
Date Issued: October 21, 2020
Date Effective: October 21, 2020
Group: Shipper
Summary:
The AAR’s OTLR Committee has approved the following revision to Figure 27 from Section 5 of the OTLR Manual.

C-13660
Subject: Implementation of Revision to General Rule 22 from Section 1 of the AAR OTLR Manual
Date Issued: October 21, 2020
Date Effective: October 21, 2020
Group: Shipper
Summary:
The AAR’s OTLR Committee has approved the following revision to General Rule 22 from Section 1 of the OTLR Manual.

C-13661
Subject: Solicitation of comments from the industry to determine best method of securing dunnage to nailable steel floors on equipped railcars that would be complaint with AAR OTLR’s
Date Issued: October 26, 2020
Date Effective: October 26, 2020
Group: Shipper
Summary:
The AAR OTLR Committee has been tasked with the process of reaching out to the industry concerning the nailing of wood dunnage to rail cars that are equipped with nailable steel floors.

C-13662
Subject: Implementation of Revisions to Figures 55-D, 205, and 210 from Section 3 of the AAR OTLR Manual
Date Issued: October 26, 2020
Date Effective: October 26, 2020
Group: Shipper
Summary:
The AAR’s OTLR Committee has approved the following revisions to Figures 55-D, 205, and 210 from Section 3 of the AAR OTLR Manual.

C-13663
Subject: Solicitation of Comments, Revisions to Field Manual, Rule 3.E.13
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Brakes Systems Committee to revise Field Manual Rule 3.E.13, was reviewed and approved.

C-13664
Subject: Solicitation of Comments, Revisions to Field Manual, Rules 7, 9, 67 and 75
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Brakes Systems Committee to revise Field Manual Rules 7, 9, 67 and 75, was reviewed and approved.

C-13665
Subject: Solicitation of Comments, Revisions to Field Manual, Rule 5
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Brake Systems Committee to revise Rule 5 was reviewed and approved.

C-13666
Subject: Solicitation of Comments, Revisions to Field Manual, Appendix B.E
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Specially Equipped Freight Car Committee to revise Field Manual Appendix B.E, was reviewed and approved.

C-13667
Subject: Informational Circular, Revisions to Field Manual, Rule 1
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Car Repair Billing Committee to revise Rule 1, was reviewed and approved.

C-13668
Subject: Informational Circular, Revisions to Field Manual, Rules 3, 9 and 83
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Brakes Systems Committee to revise Field Manual Rules 3, 9 and 83, was reviewed and approved.

C-13669
Subject: Informational Circular, Revisions to Field Manual, Rule 4
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Brakes Systems Committee to revise Field Manual Rule 4.F to blend Job Codes 1328 and 1330 to eliminate confusion with billing, was reviewed and approved.

C-13670
Subject: Solicitation of Comments, Revisions to Field Manual, Rules 3 and 4
Date Issued: October 28, 2020
Date Effective: October 28, 2020
Group: Repair Shop
Summary:
At the September 2020 meeting of the Arbitration and Rules Committee a proposal as advanced by the Brakes Systems Committee to revise Field Manual Rule 4 to add a new Job Code for Empty/Load Sensor Arms, was reviewed and approved.

C-13671
Subject: IMPLEMENTED. AAR Manual of Standards and Recommended Practices, Section K-VI Railway Data Management and Communications, Standard S-9502.V1.1
Date Issued: October 29, 2020
Date Effective: October 29, 2020
Group: Locomotive
Summary:
Standard S-9502.V1.1 provides a common track data exchange format for use between railroads in support of track data maintenance activities for interoperable PTC operations. The data exchange process and mechanism are dependent on arrangements between railroads exchanging information.