Height: 158cm
Three sizes: B84/W58/H85
Maria is the Fraxinus AI. After the ship's upgrade to Fraxinus EX, she gains the ability to talk to the crew members.
As the Fraxinus AI, MARIA is responsible for compiling the data options given for Shido's date with each Spirit. After her upgrade, she gains the ability to talk to the crew members and offer her opinion in combat matters.
(Source: Date A Live Wikia)