SIDPAC Standard Data Channels
E.A. Morelli
NASA Langley Research Center
November 6, 2005
CH. NO. SYMBOLS DESCRIPTION UNITS
1 time time sec
2 V airspeed ft/sec
3 beta sideslip angle deg
4 alpha angle of attack deg
5 p roll rate deg/sec
6 q pitch rate deg/sec
7 r yaw rate deg/sec
8 phi Euler roll angle deg
9 the Euler pitch angle deg
10 psi Euler heading angle deg
11 ax x body axis acceleration g
12 ay y body axis acceleration g
13 az z body axis acceleration g
14 el elevator deflection deg
15 ail aileron deflection deg
16 rdr rudder deflection deg
17 tef trailing edge flap deflection deg
18 lef leading edge flap deflection deg
19 d1 auxiliary control surface 1 deflection deg
20 d2 auxiliary control surface 2 deflection deg
21 d3 auxiliary control surface 3 deflection deg
22 d4 auxiliary control surface 4 deflection deg
23 d5 auxiliary control surface 5 deflection deg
24 d6 auxiliary control surface 6 deflection deg
25 d7 auxiliary control surface 7 deflection deg
26 d8 auxiliary control surface 8 deflection deg
27 qbar dynamic pressure lbf/ft
2
28 mach Mach number --
29 rho air density slug/ft
3
30 h altitude ft
31 lonstk longitudinal stick deflection in
32 latstk lateral stick deflection in
33 rudped rudder pedal deflection in
34 thtl1 throttle – engine #1 deg
35 thtl2 throttle – engine #2 deg
36 thtl3 throttle – engine #3 deg
37 thtl4 throttle – engine #4 deg
38 thrust1 thrust – engine #1 lbf
39 thrust2 thrust – engine #2 lbf
40 thrust3 thrust – engine #3 lbf
41 thrust4 thrust – engine #4 lbf
42 pdot roll acceleration deg/sec
2
43 qdot pitch acceleration deg/sec
2
44 rdot yaw acceleration deg/sec
2
