1. Panel lamp
2. Altitude limit switch
3. Intercom operational/training emergency switch
4. Fuel contents indicator - port inner wing tank
5. Intercom radio compass changeover switch
6. Fuel contents indicator - port outer wing tank
7. Fuel contents indicator - port nacelle tank
8. Data card holders
9. Oxygen regulator altimeter
10. Oxygen regulator flow control
11. Oxygen regulator contents gauge
12. Oxygen regulator on/off
13. Fuel contents indicator - starboard inner wing tank
14. Fuel contents indicator - starboard outer wing tank
15. Fuel contents indicator - starboard nacelle tank
16. Map case
17. Heater trunk for cockpit
18. Fire extinguisher
19. Signal cartridge stowage
20. Oxygen economiser
21. First pilot's portable oxygen set
22. Switch for roof lamp over cockpit doorway
23. Oxygen control