Sub-chapters

• 31-00 - General
• 31-10 - Instrument and Control Panels
• 31-20 - Independent Instruments (ie Clock)
• 31-30 - Data Recorders (Flight/Maint)
• 31-40 - Central Computers (e.g. Eicas)
• 31-50 - Central Warning Systems
• 31-60 - Central Display Systems
• 31-70 - Automatic Data Reporting Systems
• 31-97 - Instrument Wiring