08/28/2021
(ASC X12) 242 Vent Instruction Code
TYPE=ID MIN=1 MAX=7
Code specifying vent instructions
Codes
| VC | Vents Closed to Destination |
| VO | Vents Open to Destination |
| VS | Standard Ventilation at 32 Degrees |
| V40 | Standard Ventilation at “–” Degrees (Other than 32 Degrees) |
| VOI | Vents on Irons |
| VD40 | Diagonal Ventilation at “–” Degrees (Other than 32 Degrees) – Open Vent Each End of Car |
| VDOI | Diagonal Vents on Irons |
| VS10 | Standard Ventilation – Substitute Carrier’s Protective Service at First Terminal Train Yard where Heaters Are Available and Outside Temperature is 10 Degrees Above Zero or Lower (PPT #619 Rules 385 and 515) |
Appears in
| H3 | Special Handling Instructions |
| LP | Load Planning |
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