DaveReidUK
The minimum 34 parameter groups:
1. Time or Relative Time Counts
2. Pressure Altitude
3. Indicated airspeed or Calibrated airspeed
4. Heading (Primary flight crew reference)
5. Normal Acceleration (Vertical)
6. Pitch Attitude
7. Roll Attitude
8. Manual Radio Transmitter Keying or CVR/DFDR synchronization reference
9. Thrust/Power on each engine—primary flight crew reference
10. Autopilot Engagement
11. Longitudinal Acceleration
12a. Pitch control(s) position (nonfly-by-wire systems)
12b. Pitch control(s) position (fly-by-wire systems)
13a. Lateral control position(s) (nonfly-by-wire)
13b. Lateral control position(s) (fly-by-wire)
14a. Yaw control position(s) (nonfly-by-wire)
14b. Yaw control position(s) (fly-by-wire)
15. Pitch control surface(s) position
16. Lateral control surface(s) position
17. Yaw control surface(s) position
18. Lateral Acceleration
19. Pitch Trim Surface Position
20. Trailing Edge Flap or Cockpit Control Selection
21. Leading Edge Flap or Cockpit Control Selection
22. Each Thrust reverser Position (or equivalent for propeller airplane)
23. Ground Spoiler Position or Speed Brake Selection
24. Outside Air Temperature or Total Air Temperature
25. Autopilot/Autothrottle/AFCS Mode and Engagement Status
26. Radio Altitude
27. Localizer Deviation, MLS Azimuth, or GPS Lateral Deviation
28. Glideslope Deviation, MLS Elevation, or GPS Vertical Deviation
29. Marker Beacon Passage
30. Master Warning
31. Air/ground sensor (primary airplane system reference nose or main gear)
32. Angle of Attack (If measured directly)
33. Hydraulic Pressure Low, Each System
34. Groundspeed