HORNBY OO BR, Class 370 Advanced Passenger Train (NDM), 49002 - Era 7HORNBY OO BR, CLASS 370 ADVANCED PASSENGER TRAIN (NDM), 49002 ERA 7 After a number of reconfigurations and experimentations with the original APT P, the NDM was the first vehicle completed for testing in June 1977 and in mid 1978 the power car was joined by the rest of 370 001, the first half set, for testing on the WCML. The Advanced Passenger Train (APT) programme is remembered by many as one of British Rails greatest embarrassments, an ambitious