Vents Closed to Destination
242 Vent Instruction Code
Code specifying vent instructions
Type
Identifier (ID)Length
Min 1 / Max 7Codes
VC
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)