IS 7.8.2.2 AIRCRAFT EQUIPPAGE FOR OPERATIONS – AIRCRAFT DATA RECORDING SYSTEM (ADRS)
(a) ADRS shall be capable of recording, as appropriate to the aircraft, at least the essential (E) parameters in the Table below.
(b) The measurement range, recording interval and accuracy of parameters on installed equipment is usually verified by methods approved by the [appropriate certificating Authority].
(c) Documentation concerning parameter allocation, conversion equations, periodic calibration and other serviceability/maintenance information shall be maintained by the operator.  The documentation shall be sufficient to ensure that accident investigation authorities have the necessary information to read out the data in engineering units.
Table—Parameter Guidance for Aircraft Data Recording Systems
No. Parameter Name Parameter Category Minimum Recording Range Maximum Recording Interval in Seconds Minimum Recording Accuracy Minimum Recording Resolution Remarks
1 Heading (Magnetic or True) R* ±180? 1 ±2? 0.5? *If not available, record rates
2 Pitch attitude E* ±90? 0.25 ±2? 0.5? *If not available, record rates
3 Roll attitude E* ±180? 0.25 ±2? 0.5? *If not available, record rates
4 Yaw rate E* ±300? 0.25 ±1% + drift of 360?/hr 2? *Essential if no heading available
5 Pitch rate E* ±300? 0.25 ±1% + drift of 360?/hr 2? *Essential if no pitch attitude available
6 Roll rate E* ±300? 0.25 ±1% + drift of 360?/hr 2? *Essential if no roll rate available
7 Positioning system: latitude/ longitude E Latitude: ±90?; Longitude: ±180? 2 (1 if available) As installed (0.00015? recommended  0.00005? --
8 Positioning system: estimated error E* Available range 2 (1 if available) As installed As installed *If available
9 Positioning system: altitude E -300 m
(-1 000 ft) to maximum certificated altitude of aeroplane +1 500 m (5 000 ft) 2 (1 if available) As installed (±15 m (±50 ft) recommended) 1.5 m (5 ft) --
10 Positioning system: time E 24 hours 1 ±0.5 second 0.1 second *UTC time preferred where available
11 Positioning system: ground speed E 0-1 000 kt 2 (1 if available) As installed (±5 kt recommended) 1 kt --
12 Positioning system: channel E 0-360? 2 (1 if available) As installed (±2? recommended) 0.5? --
13 Normal acceleration E -3 g to + 6 g(*) 0.25 (0.125 if available) As installed (±0.09 g excluding a datum error of ±45 g recommended) 0.004 g --
14 Longitudinal acceleration E ±1 g(*) 0.25 (0.125 if available)  As installed (±0.015 g excluding a datum error of ±0.05 g recommended) 0.004 g --
15 Lateral acceleration E ±1 g(*) 0.25 (0.125 if available)  As installed (±0.015 g excluding a datum error of ±0.05 g recommended) 0.004 g --
16 External static pressure (or pressure altitude) R 34.4 mb (3.44 in-Hg) to 310.2 mb (31.03 in-Hg) or available sensor range 1 As installed (±1 mb (0.1 in-Hg) or ±30 m (±100 ft) to ±210 m (±700 ft) recommended) 0.1 mb (0.01 in-Hg) or 1.5 m (5 ft) --
17 Outside air temperature (or total air temperature) R -50? to +90?C or available sensor range 2 As installed (±2?C recommended) 1?C --
18 Indicated air speed R As the installed pilot display measuring system or available sensor range 1 As installed (±3% recommended) 1 kt (0.5 kt recommended) --
19 Engine RPM R Full range including overspeed condition Each engine each second As installed 0.2% of full range --
20 Engine oil pressure R Full range Each engine each second As installed (5% of full range) 2% of full range --
21 Engine oil temperature R Full range Each engine each second As installed (5% of full range) 2% of full range --
22 Fuel flow or pressure R Full range Each engine each second As installed  2% of full range --
23 Manifold pressure R Full range Each engine each second As installed  0.2% of full range --
24 Engine thrust/ power/ torque parameters required to determine propulsive thrust/ power* R Full range Each engine each second As installed  0.1% of full range *Sufficient parameters e.g. EPRN/N1 or torque/Np as appropriate to the particular engine shall be recorded to determine power in both normal and reverse thrust.  A margin for possible overspeed should be provided.
25 Engine gas generator speed (Ng) R 0-150% Each engine each second As installed 0.2% of full range --
26 Free power turbine speed (Nf) R 0-150% Each engine each second As installed 0.2% of full range --
27 Coolant temperature R Full range 1 As installed (±5?C recommended) 1?C --
28 Main voltage R Full range Each engine each second As installed 1 Volt --
29 Cylinder head temperature R Full range Each cylinder each second As installed 2% of full range --
30 Flaps position R Full range or each discrete position 2 As installed 0.5? --
31 Primary flight control surface position R Full range 0.25 As installed 0.2% of full range --
32 Fuel quantity R Full range 4 As installed 1% of full range --
33 Exhaust gas temperature R Full range Each engine each second As installed 2% of full range --
34 Emergency voltage R Full range Each engine each second As installed 1 Volt --
35 Trim surface position R Full range or each discrete position 1 As installed 0.3% of full range --
36 Landing gear position R Each discrete position* Each gear every 2 seconds As installed -- *Where available, record up-and-locked and down-and-locked position
37 Novel/ unique aircraft features R As required As required As required As required --
Key:
E Essential parameters
R Recorded parameters
ICAO Annex 6, Part I: Appendix 8, Paragraph 4, 4.1.1; 4.1.2; 4.1.3 and Table A8-3
ICAO Annex 6, Part II: Appendix 2.3, Paragraph 6, 6.1; 6.2; 6.2.1; 6.2.2 and Table A3.1-3
ICAO Annex, 6, Part III: Appendix 5, Table A2.3-33
IS 7.8.4.1 DATA LINK RECORDER APPLICABILITY
(a) Messages applying to the applications listed below shall be recorded.  Applications without the asterisk (*) are mandatory applications which shall be recorded regardless of the system complexity.  Applications with an (*) shall be recorded only as far as is practicable given the architecture of the system.
(1) Data link initiation capability;
(2) Controller-pilot data link communications;
(3) Data link –flight information services;
(4) Automatic dependent surveillance- contract;
(5) Automatic dependent surveillance- broadcast*;
(6) Aeronautical operational control*.
ICAO Annex 6, Part I: Appendix 8: 5.1.2
ICAO Annex 6, Part II: Appendix 2.3, Paragraph 5: 5.1.2
ICAO Annex 6, Part III :  Appendix 5, Paragraph 5 : 5.1.2
(b) Descriptions of the applications for data link recorders are contained in the table below.
Table—Description of Applications for Data Link Recorders
Item No. Application Type Application Description Recording Content
1 Data link Initiation This includes any applications used to logon to or initiate data link service.  In FANS-1/A and ATN, these are ATS Facilities Notification (AFN) and Context Management (CM) respectively. C
2 Controller/Pilot Communication This includes any application used to exchange requests, clearances, instructions and reports between the flight crew and controllers on the ground.  In FANS-1/A and ATN, this includes the CPDLC application.  It also includes applications used for the exchange of oceanic (OCL) and departure clearances (DCL) as well as data link delivery of taxi clearances. C
3 Addressed Surveillance This includes any surveillance application in which the ground sets up contracts for delivery of surveillance data.  In FANS-1/A and ATn, this includes the Automatic Dependent Surveillance (ADS-C) application.  Where parametric data are reported within the message they shall be recorded within the message they shall be recorded unless data from the same source are recorded on the FDR. C
4 Flight Information This includes any service used for delivery of flight information to specific aircraft.  This includes, for example, D-METAR, D-ATIS, D-NOTAM and other textual data link services. C
5 Aircraft Broadcast Surveillance This includes Elementary and Enhanced Surveillance Systems, as well as ADS-B output data.  Where parametric data sent by the aircraft are reported within the message they shall be recorded unless data from the same sources are recorded on the FDR. M*
6 Aeronautical Operational Control Data This includes any application transmitting or receiving data used for AOC purposes. M*
Key:
C Complete contents recorded.
M Information that enables correlation to any associated records stored separately from the aircraft.
* Applications to be recorded only as far as is practicable given the architecture of the system.
ICAO Annex 6, Part I: Appendix 8, Table A8-2
ICAO Annex 6, Part II: Appendix 2.3, Table A2.3-3
ICAO Annex 6, Part III: Appendix 5:  Table A5-2
IS: 7.9.1.2 EMERGENCY EXIT EQUIPMENT - PASSENGERS
(a) The emergency exit equipment for aeroplanes in 7. 9.1.2(a) shall meet the following requirements.
(1) The assisting means for a floor level emergency exit shall meet the requirements under which the aeroplane was type certified.
(2) The location of each passenger emergency exit shall be—
(i) Recognisable from a distance equal to the width of the cabin.
(ii) Indicated by a sign visible to occupants approaching along the main passenger aisle.
(3) There shall be an emergency exit locating sign—