FAA TSO C151B PDF

PURPOSE.

This technical standard order (TSO) tells persons seeking a TSO authorization or letter of design approval what minimum performance standards (MPS) their Terrain Awareness and Warning System (TAWS) equipment must first meet in order to obtain and be identified with the TSO-C151b Class A, B, or C marking.

NOTE: The MPS and test conditions for Class A and B are in appendices 1 and 3. The Class C MPS and test conditions are located in appendix 4. Class A and B TAWS equipment is required by Title 14 of the Code of Federal Regulations (14 CFR) parts 91, 135, and 121. Class C TAWS equipment is intended for voluntary installations on aircraft not covered by the TAWS requirements in 14 CFR parts 91, 135, and 121.