M-18 specifications (CAA - 1948) For the original Mooney M-18 with the Crosley Engine. M-18X specifications (FAA - 1972) This is a summary of the DOT/FAA Aircraft Specification No. A-803. Model and Engine data This data is taken from the FAA aircraft database. More specifications: Crosley Engine Continental Engines Lycoming Engine Mooney's own M-18L and M-18C Specifications