PURPOSE: The purpose of this Aerospace Recommended Practice is to provide criteria for standardization of placards containing easily understood signs@ symbols and/or instructions for locating and operating exits and emergency equipment which might be used or operated by cabin occupants and rescue personnel under emergency conditions. The signs@ symbols and/or instructions are intended to be seen and understood by occupants within and@ in the case of external exit placards@ by persons outside the airplane.
SAE ARP577A-1962 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