6.19  U.S. regulations do not require that all airplanes be equipped with pressure.altitude reporting transponders. The U.S. requirement for pressure altitude reporting transponders depends on the specific airspace in which airplanes fly. 
Chapter 8  Aeroplane Maintenance 
8.1.3  U.S. regulations do not require persons who sign maintenance releases to be licensed strictly in accordance with the provisions of Annex 1. U.S. requirements do not include knowledge of human performance/limitations or entries on the license such as specific aircraft model and avionic systems or components (or under broad categories). 
8.7.5.4  There is no comparable requirement in U.S. regulations for training in knowledge and skills related to human performance. 
8.7.6.2  U.S. regulations require that records of work shall be retained until the work is repeated, superseded by other work or for one year after the work is performed. 
8.8.2  The U.S. does not require records to be maintained after the end of the operating life of the unit. 
Chapter 9  Aeroplane Flight Crew 
9.5  The U.S. Federal Aviation Regulations do not require a flight crew member to have a spare set of suitable lenses readily available when exercising the privileges of a license for which he/she was assessed as fit subject to suitable correcting lenses being worn. However, the U.S. practice is to require extra correcting lenses when a flight crew member’s defective visual acuity necessitates a limitation; i.e., worse than 20/100 uncorrected distance visual acuity. 
Chapter 11  Manuals, Logs and Records 
11.1.11  a) Operators may conduct operations without an approved minimum equipment (MEL) list provided all instruments and equipment are fully operable. b) The U.S. prohibits operations to be conducted solely under the provisions of a master minimum equipment list (MMEL). Each operator must develop its own MEL, based on the MMEL, which includes operational procedures. When approved, the MEL may be used only by the individual operator. 
PART II 
General  The U.S. does not accept any provision of Annexes 2, 6, 10, or 11 or any other Annex as a Standard or Recommended Practice as applicable to State aircraft. In accordance with Article 3(a) of the Convention of International Civil Aviation, the Convention and its Annexes are not applicable to State aircraft. In so far as any provisions of Annexes 2, 6, 10 or 11 address the operation or control of State aircraft, the U.S. considers such provisions to be in the nature of a special recommendation of the Council, advisory only, and not requiring the filing of differences under Article 38 of the Convention. 
Chapter 1  Definitions 
Category I (Cat I) operation  For a Category I operation, the U.S. requires a decision height (DH) of not less than 200 feet and either visibility of not less than 1/2 mile or a runway visual range of 2,400 feet (RVR 1,800 feet with operative touchdown zone and runway centerline lights). 
Category II (Cat II) operation  The U.S. requires that Category II provide approaches to minima of less than 200 feet DH/2,400 runway visual range to as low as 100 feet DH/1,200 runway visual range. 
Category IIIA (Cat IIIA) operation  U.S. criteria are the same as those adopted in Part 1 of Annex 6. However, the runway visual range is expressed as not less than 700 feet (200 meters). 
Category IIIB (Cat IIIB) operation  U.S. criteria are the same as those adopted in Part 1 of Annex 6. However, the runway visual range is expressed as less than 700 feet (200 meters), but not less than 150 feet (50 meters). 

Minimum descent altitude (MDA) or minimum descent height (MDH)  The U.S. does not use MDH (or height above airport) as an altitude or height in a nonprecision approach or circling approach below which descent must not be made without the required visual reference. 
Chapter 3  General 
3.5  The pilot.in.command is not required to have available on board the airplane essential information concerning search and rescue services. 
Chapter 4  Flight Preparation and In.Flight Procedures 
4.3  Except as provided for in 14 CFR 91.519 for large and turbine.powered, multi.engine airplanes, the pilot.in.command is not required to ensure that crew members and passengers are familiar with the location and use of emergency exits, life jackets, oxygen dispensing equipment, or other emergency equipment provided for individual use. 
4.6.2.1  A destination alternate airport is not required when the weather at the airport of intended landing is forecast to have a ceiling of at least 2,000 feet and a visibility of at least 3 miles. In addition, standard alternate airport minima are prescribed as follows: 600.foot ceiling and 2 miles visibility are prescribed for precision approaches, and 800.foot ceiling and 2 miles visibility for nonprecision approaches. 
　
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