131 

Federal Aviation Administration, DOT 

§ 121.344 

follows: The phrase ‘‘when an informa-
tion source is installed’’ following a pa-
rameter indicates that recording of 
that parameter is not intended to re-
quire a change in installed equipment: 

(1) Time; 
(2) Pressure altitude; 
(3) Indicated airspeed; 
(4) Heading—primary flight crew ref-

erence (if selectable, record discrete, 
true or magnetic); 

(5) Normal acceleration (Vertical); 
(6) Pitch attitude; 
(7) Roll attitude; 
(8) Manual radio transmitter keying, 

or CVR/DFDR synchronization ref-
erence; 

(9) Thrust/power of each engine—pri-

mary flight crew reference; 

(10) Autopilot engagement status; 
(11) Longitudinal acceleration; 
(12) Pitch control input; 
(13) Lateral control input; 
(14) Rudder pedal input; 
(15) Primary pitch control surface po-

sition; 

(16) Primary lateral control surface 

position; 

(17) Primary yaw control surface po-

sition; 

(18) Lateral acceleration; 
(19) Pitch trim surface position or pa-

rameters of paragraph (a)(82) of this 
section if currently recorded; 

(20) Trailing edge flap or cockpit flap 

control selection (except when param-
eters of paragraph (a)(85) of this sec-
tion apply); 

(21) Leading edge flap or cockpit flap 

control selection (except when param-
eters of paragraph (a)(86) of this sec-
tion apply); 

(22) Each Thrust reverser position (or 

equivalent for propeller airplane); 

(23) Ground spoiler position or speed 

brake selection (except when param-
eters of paragraph (a)(87) of this sec-
tion apply); 

(24) Outside or total air temperature; 
(25) Automatic Flight Control Sys-

tem (AFCS) modes and engagement 
status, including autothrottle; 

(26) Radio altitude (when an informa-

tion source is installed); 

(27) Localizer deviation, MLS Azi-

muth; 

(28) Glideslope deviation, MLS Ele-

vation; 

(29) Marker beacon passage; 

(30) Master warning; 
(31) Air/ground sensor (primary air-

plane system reference nose or main 
gear); 

(32) Angle of attack (when informa-

tion source is installed); 

(33) Hydraulic pressure low (each sys-

tem); 

(34) Ground speed (when an informa-

tion source is installed); 

(35) Ground proximity warning sys-

tem; 

(36) Landing gear position or landing 

gear cockpit control selection; 

(37) Drift angle (when an information 

source is installed); 

(38) Wind speed and direction (when 

an information source is installed); 

(39) Latitude and longitude (when an 

information source is installed); 

(40) Stick shaker/pusher (when an in-

formation source is installed); 

(41) Windshear (when an information 

source is installed); 

(42) Throttle/power lever position; 
(43) Additional engine parameters (as 

designated in Appendix M of this part); 

(44) Traffic alert and collision avoid-

ance system; 

(45) DME 1 and 2 distances; 
(46) Nav 1 and 2 selected frequency; 
(47) Selected barometric setting 

(when an information source is in-
stalled); 

(48) Selected altitude (when an infor-

mation source is installed); 

(49) Selected speed (when an informa-

tion source is installed); 

(50) Selected mach (when an informa-

tion source is installed); 

(51) Selected vertical speed (when an 

information source is installed); 

(52) Selected heading (when an infor-

mation source is installed); 

(53) Selected flight path (when an in-

formation source is installed); 

(54) Selected decision height (when 

an information source is installed); 

(55) EFIS display format; 
(56) Multi-function/engine/alerts dis-

play format; 

(57) Thrust command (when an infor-

mation source is installed); 

(58) Thrust target (when an informa-

tion source is installed); 

(59) Fuel quantity in CG trim tank 

(when an information source is in-
stalled); 

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