Information about FAR 25.853, Horizontal testing

Part 25, Section 25.853 - Airworthiness Standard: Transport Category Airplanes, Appendix F - Part 1.

Principal use
The method measures the damaged length of material in passenger and crew compartments of the aircraft. The requirements are outlined in FAA Regulations (The Federal Aviation Administration), Part 25, Section 25.853 - Airworthiness Standard: Transport Category Airplanes, Appendix F - Party 1.

 

Examples of products that can be tested in this method
All types of products in passenger and crew compartments.

 

Material for testing

Complete test series 4 specimens in each material direction with dimensions 75 mm x 305 mm and maximum thickness 3 mm

 

Test procedure
The test takes place in a specified test chamber in which the specimen is mounted vertically. The exposed surface of the material is facing down towards the flame. The material is brought against the gas flame. The following is recorded, how far the material burns and how long it takes for the flames to spread the material. The result (burn rate) is expressed in mm / min.

 

Other Information
The method is identical to the JAR 25.853.

Related Information

See also

FAR

Contact Persons

Anna Bergstrand

Phone: +46 10 516 58 54

RISE Research Institutes of Sweden, Phone 010-516 50 00, E-mail info@ri.se

The RISE institutes SP, Innventia and Swedish ICT have merged in order to become a stronger research and innovation partner for businesses and society.
During 2017 sp.se will be one of several websites within RISE. Please visit ri.se for more information about RISE.