PURPOSE: The purpose of this Aerospace Recommended Practice (ARP) is to provide criteria for the development and standardization of placards containing easily understood signs@ symbols and/or instructions for locating and operating exists and emergency equipment which might be used or operated by cabin occupants and rescue personnel under emergency conditions. The placards are intended to be seen and understood by occupants within and@ in the case of external exit placards@ by persons outside the airplane.
SAE ARP577B-1981 history
2022SAE ARP577F-2022 Emergency, Instruction, and Information Placards - Internal and External
2017SAE ARP577E-2017 R) Emergency@ Instruction and Information Placards - Internal and External
2003SAE ARP577D-2003 EMERGENCY PLACARDING - INTERNAL AND EXTERNAL
1993SAE ARP577C-1993 Emergency Placarding - Internal and External
1981SAE ARP577B-1981 EMERGENCY PLACARDING - INTERNAL AND EXTERNAL
1962SAE ARP577A-1962 EMERGENCY PLACARDING - INTERNAL AND EXTERNAL