# 91.1707 Training program hours.(a) Ground instruction hours are listed in the following table:| Initial/transition | Requalification | Recurrent || --- | --- | --- || 20 hours | 12 hours | 8 hours. |(b) Flight instruction hours are listed in the following table:| Initial/transition | Requalification | Recurrent || --- | --- | --- || 12 hours with a minimum of 6 hours at level E | 8 hours level C or level E | 4 hours at level E, or 6 hours at level C. |(c) Differences training hours are listed in the following table:| | || --- | --- || 2 factory type design models concurrently | 1.5 hours required at level B. || More than 2 factory type design models concurrently | 3 hours at level B. || Each additional factory type design model added separately | 1.5 hours at level B. |(d) Definitions of levels of training as used in this subpart:(1) LEVEL A Training—Training that is conducted through self-instruction by the pilot.(2) LEVEL B Training—Training that is conducted in the classroom environment with the aid of a qualified instructor who meets the requirements of this subpart.(3) LEVEL C Training—Training that is accomplished in an FAA-approved Level 5 or 6 flight training device. In addition to the basic FTD requirements, the FTD must be representative of the MU-2B cockpit controls and be specifically approved by the FAA for the MU-2B airplane.(4) Level E Training—Training that must be accomplished in the MU-2B airplane, Level C simulator, or Level D simulator.