Pt. 125, App. D 14 CFR Ch. I (1-1-19 Edition) Parameters Range Accuracy sensor input to DFDR readout Sampling interval (per second) Altitude ...................................... Section1,000 ft to max certificated altitude of aircraft. 50 KIAS to Vso, and Vso to 1.2 VD. 360Section ............................. Section3g to + 6g ................. Section100 to Section700 ft (See Table 1, TSO-C51a). 1 ........................ Airspeed ................................... Heading .................................... Normal Acceleration (Vertical) Pitch Attitude ............................ Roll Attitude .............................. Radio Transmitter Keying ......... Thrust/Power on Each Engine Trailing Edge Flap or Cockpit Control Selection. Leading Edge Flap or Cockpit Control Selection. Thrust Reverser Position .......... Section75Section ............................. Section180Section ........................... On-Off (Discrete) ......... Full range forward ....... Full range or each discrete position. Full range or each discrete position. Stowed, in transit, and reverse (Discrete). Ground Spoiler Position/Speed Brake Selection. Marker Beacon Passage .......... Autopilot Engagement .............. Longitudinal Acceleration ......... Full range or each discrete position. Discrete ........................ Discrete ........................ Section1g ............................... Pilot Input and/or Surface Position-Primary Controls (Pitch, Roll, Yaw) 3. Lateral Acceleration .................. Full range ..................... Section1g ............................... Pitch Trim Position ................... Full range ..................... Glideslope Deviation ................ Localizer Deviation ................... AFCS Mode and Engagement Status. Radio Altitude ........................... Section400 Microamps .......... Section400 Microamps .......... Discrete ........................ Master Warning ........................ Main Gear Squat Switch Status Angle of Attack (if recorded directly). Outside Air Temperature or Total Air Temperature. Hydraulics, Each System Low Pressure. Groundspeed ............................ Resolution 4 read out 5- to 35- 1 Section5%, Section3% ............................... 1 ........................ 1 kt. Section2Section .......................................... Section1% of max range excluding datum error of Section5%. Section2Section .......................................... Section2Section .......................................... ................................................ Section2% ........................................ Section3Section or as pilot-s Indicator ....... 1 ........................ 8 ........................ 0.5Section 0.01g. 1 ........................ 1 ........................ 1 ........................ 1 ........................ 0.5 ..................... 0.5Section. 0.5Section. 0.2% 2 0.5% 2 Section3Section or as pilot-s indicator ....... 0.5 ..................... 0.5% 2 ................................................ 1 (per 4 seconds per engine). 1 ........................ 0.2% 2. 1 ........................ 1 ........................ 4 ........................ 0.01g 1 ........................ 0.2% 2. Section2% unless higher accuracy uniquely required. ................................................ ................................................ Section1.5% max range excluding datum error of Section5%. Section2Section unless higher accuracy uniquely required. Section1.5% max range excluding datum error of Section5%. Section3% unless higher accuracy uniquely required. Section3% ........................................ Section3% ........................................ ................................................ 4 ........................ 0.01g. 1 ........................ 0.3% 2 1 ........................ 1 ........................ 1 ........................ 0.3% 2 0.3% 2. ........................... 1 ft + 5% 2 above 500-. Discrete ........................ Discrete ........................ As installed .................. Section2 Ft or Section3% Whichever is Greater Below 500 Ft and Section5% Above 500 Ft. ................................................ ................................................ As installed ............................. 1 ........................ 1 ........................ 2 ........................ 0.3% 2. Section50 SectionC to + 90 SectionC ...... Section2 SectionC ...................................... 0.5 ..................... 0.3 SectionC Discrete ........................ ................................................ 0.5 ..................... or 0.5% 2. As Installed .................. Most Accurate Systems Installed (IMS Equipped Aircraft Only). 1 ........................ 0.2% 2. Section20 ft to 2,500 ft ........ If additional recording capacity is available, recording of the following parameters is recommended. The parameters are listed in order of significance: Drift Angle ................................. Wind Speed and Direction ....... Latitude and Longitude ............. Brake pressure/Brake pedal position. Additional engine parameters: EPR ................................... N 1 ...................................... N 2 ...................................... EGT ................................... Throttle Lever Position ............. Fuel Flow .................................. TCAS: TA ...................................... RA ..................................... Sensitivity level (as selected by crew). When available. As installed. When available. As installed. When available. As installed. As installed .................. As installed ............................. 4 ........................ As installed ............................. 4 ........................ As installed ............................. 4 ........................ As installed ............................. 1 ........................ As As As As As As As As As As As As 1 1 1 1 1 1 installed installed installed installed installed installed .................. .................. .................. .................. .................. .................. As installed .................. As installed .................. As installed .................. installed installed installed installed installed installed ............................. ............................. ............................. ............................. ............................. ............................. As installed ............................. As installed ............................. As installed ............................. (per (per (per (per (per (per engine) engine) engine) engine) engine) engine) ... ... ... ... ... ... 1 ........................ 1 ........................ 2 ........................ 370 VerDate Sep<11>2014 08:20 May 17, 2019 Jkt 247048 PO 00000 Frm 00380 Fmt 8010 Sfmt 8002 Y:\SGML\247048.XXX 247048