Source: https://www.law.cornell.edu/cfr/text/14/appendix-D_to_part_125
Timestamp: 2017-10-23 23:00:54
Document Index: 193479474

Matched Legal Cases: ['art 125', 'art 125', 'art_125', 'art 125', 'art 125', 'arts 91', 'arts 121']

14 CFR Appendix D to Part 125, Airplane Flight Recorder Specification | US Law | LII / Legal Information Institute
CFR › Title 14 › Chapter I › Subchapter G › Part 125 › Subpart M › Appendix D_to_part_125
14 CFR Appendix D to Part 125, Airplane Flight Recorder Specification
Time (GMT or Frame Counter) (range 0 to 4095, sampled 1 per frame) 24 Hrs ±0.125% Per Hour 0.25 (1 per 4 seconds) 1 sec.
Altitude −1,000 ft to max certificated altitude of aircraft ±100 to ±700 ft (See Table 1, TSO-C51a) 1 5′ to 35′ 1
Airspeed 50 KIAS to Vso, and Vso to 1.2 VD ±5%, ±3% 1 1 kt.
Heading 360° ±2° 1 0.5°
Normal Acceleration (Vertical) −3g to 6g ±1% of max range excluding datum error of ±5% 8 0.01g.
Pitch Attitude ±75° ±2° 1 0.5°.
Roll Attitude ±180° ±2° 1 0.5°.
Radio Transmitter Keying On-Off (Discrete) 1
Thrust/Power on Each Engine Full range forward ±2% 1 0.2% 2
Trailing Edge Flap or Cockpit Control Selection Full range or each discrete position ±3° or as pilot's Indicator 0.5 0.5% 2
Leading Edge Flap or Cockpit Control Selection Full range or each discrete position ±3° or as pilot's indicator 0.5 0.5% 2
Thrust Reverser Position Stowed, in transit, and reverse (Discrete) 1 (per 4 seconds per engine)
Ground Spoiler Position/Speed Brake Selection Full range or each discrete position ±2% unless higher accuracy uniquely required 1 0.2% 2.
Marker Beacon Passage Discrete 1
Autopilot Engagement Discrete 1
Longitudinal Acceleration ±1g ±1.5% max range excluding datum error of ±5% 4 0.01g
Pilot Input and/or Surface Position-Primary Controls (Pitch, Roll, Yaw) 3 Full range ±2° unless higher accuracy uniquely required 1 0.2% 2.
Lateral Acceleration ±1g ±1.5% max range excluding datum error of ±5% 4 0.01g.
Pitch Trim Position Full range ±3% unless higher accuracy uniquely required 1 0.3% 2
Glideslope Deviation ±400 Microamps ±3% 1 0.3% 2
Localizer Deviation ±400 Microamps ±3% 1 0.3% 2.
AFCS Mode and Engagement Status Discrete 1
Radio Altitude −20 ft to 2,500 ft ±2 Ft or ±3% Whichever is Greater Below 500 Ft and ±5% Above 500 Ft 1 ft 5% 2 above 500′.
Master Warning Discrete 1
Main Gear Squat Switch Status Discrete 1
Angle of Attack (if recorded directly) As installed As installed 2 0.3% 2.
Outside Air Temperature or Total Air Temperature −50 °C to 90 °C ±2 °C 0.5 0.3 °C
Hydraulics, Each System Low Pressure Discrete 0.5 or 0.5% 2.
Groundspeed As Installed Most Accurate Systems Installed (IMS Equipped Aircraft Only) 1 0.2% 2.
Drift Angle When available. As installed As installed 4
Wind Speed and Direction When available. As installed As installed 4
Latitude and Longitude When available. As installed As installed 4
Brake pressure/Brake pedal position As installed As installed 1
EPR As installed As installed 1 (per engine)
N 1 As installed As installed 1 (per engine)
N 2 As installed As installed 1 (per engine)
EGT As installed As installed 1 (per engine)
Throttle Lever Position As installed As installed 1 (per engine)
Fuel Flow As installed As installed 1 (per engine)
TA As installed As installed 1
RA As installed As installed 1
Sensitivity level (as selected by crew) As installed As installed 2
GPWS (ground proximity warning system) Discrete 1
Landing gear or gear selector position Discrete 0.25 (1 per 4 seconds)
DME 1 and 2 Distance 0-200 NM; As installed 0.25 1 mi.
Nav 1 and 2 Frequency Selection Full range As installed 0.25
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 14 CFR Part 125 after this date.
78 FR 39968 - Flight Data Recorder Airplane Parameter Specification Omissions and Corrections
FR Doc. 2013-16011
Effective September 3, 2013. Submit comments on or before August 2, 2013.
14 CFR Parts 91, 121 and 125
77 FR 75600 - Policy Statement on Occupational Safety and Health Standards for Aircraft Cabin Crewmembers; Extension of Comment Period
FR Doc. 2012-30701
77 FR 72998 - Policy Statement on Occupational Safety and Health Standards for Aircraft Cabin Crewmembers
FR Doc. 2012-29631
Send comments on or before January 7, 2013.
This notice announces the availability of a proposed policy statement regarding the regulation of some occupational safety and health conditions affecting cabin crewmembers on aircraft by the Occupational Safety and Health Administration (OSHA). This policy statement will enhance occupational safety and health in the aircraft cabin by establishing the extent to which OSHA requirements may apply to the working conditions of aircraft cabin crew while they are onboard aircraft in operation.
77 FR 71735 - Minimum Altitudes for Use of Autopilots
FR Doc. 2012-29274
Notice No. 12-08
Send comments on or before February 4, 2013.
14 CFR Parts 121, 125, 135
77 FR 53159 - Passenger Use of Portable Electronic Devices on Board Aircraft
FR Doc. 2012-21577