SAE AS 5276-1:2019 pdf free.Performance Standard for Child Restraint Systems in Transport Category Airplanes.
2.5 Compatibility of a CRS to Size of Child Occupant:
The CRS and its integral restraints shall be designed to be compatible with accepted classification standards, as indicated in 2.3 and 2.4, for the protection of children under high dynamic loads.
a. Any child with a mass of less than 5 kg (11 Ib) is considered a “newborn” and should be restrained in an aft facing orientation by a CRS providing both upper and lower torso restraint. (Type I)
b. Any child that has not attained his or her first birthday is considered an “infant” and should be restrained in an aft facing orientation by a CRS providing both upper and lower torso restraint. (Type II)
c. Any child that has a mass of greater than 5 kg (11 Ib) and less than 10 kg (22 Ib) is considered an “infant” and should be restrained in an aft facing orientation by a CRS providing both upper and lower torso restraint. (Type II)
d. Any child that has attained his or her first birthday, with a mass greater than 10 kg (22 Ib) and having a standing stature of less than 100 cm (40 in) in height is considered a “toddler” and should be seated in a forward facing CRS with both upper and lower torso restraint. (Type III)
3. GENERAL REQUIREMENTS:
All the paragraphs in this section are intended to ensure proper CRS performance within the aircraft environment. Test methods and pass/fail criteria are provided where appropriate.
3.1 CRS Interface with Airplane Passenger Seat:
The CRS shall comply with the recommendations of ARP4466.
3.2 A CRS installed in an airplane passenger seat shall rely only upon passenger seat lap belts (pelvic restraints) to secure the device to the seat. No passenger seat lap belt may contact the child- occupant of the CRS.
3.2.1 The function of quick-release fittings, adjustment handles, and buttons shall be verified after the CRS is installed in the airplane passenger seat. Incorrect installation or inadvertent activation of quick-release fittings, adjustment handles and buttons shall be made improbable.
3.2.2 Release of the child-occupant from the CRS shall be performed at a single point (excluding shoulder strap positioning buckles) and shall be accomplished without release of the airplane passenger seat lap belt.SAE AS 5276-1 pdf download.