It has emerged that there is some confusion over the Manufacturer's Serial Number of this aircraft. The MSN was originally reported to be 7191 (Aviation Letter 389/55), however it was recently pointed out that published sources (e.g. Putnam) quote the MSN 7192 for BuNo145921. In an attempt to clarify this once and for all, the writer sought the advice of the aircraft's owner who has kindly supplied an image of the data plate which states that the MSN is 7203 and the BuNo 145921. It has been established from U.S. Government sales lists that when BuNo 145921 was sold ex Davis Monthan, it was without a data plate. Evidently, the original purchaser has found it necessary to manufacture a replacement data plate to facilitate registering the aircraft in the United States. The current owner of the aircraft confirms that the data plate depicted above is the one which was attached to the aeroplane when he purchased it and he has no knowledge of any necessity to produce a replacement data plate. That the plate depicted is not the original data plate is evidenced by the following: