What does yd stand for?

Yard - Measure (ODBW)

Ama Air Express - ICAO designator (AD)

Authority Supervising the Aerodrome - ICAO designator (ICDA)

Floating Crane - Non-self-propelled - Navy symbol

Floating Derrick - Navy

People's Democratic Republic of Yemen - ANSI two-letter standard code (CNC)

South Yemen Dinar - Currency (UWER)

Yacht Designer (SAUS)

Yankee Dryer (UWER)

Yard - Navy

Yard - Measure

Yarn Dyed (SAUS)

Yaw Damper - Aviation (MCD)

Yaw Deviation

Yellowstone Downs - Horse racing entrants (HRTC)

Yield - Telegraphy (PCTE)

Yoreh De'ah. Shulhan 'Arukh (BJA)

Yorkshire Dragoons - British military (DMA)

Young Democrat (SAUS)

Younger Dryas - Geoscience

Youth Defence (BUAC)

Youth Dynamics (SAUS)