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1 CMM Electronic Unit (ISDS) D60345 Rev 4 SB to cover alternative Transistor and Attaching parts D XXXX OQAR D XXXX Iss 1 SB to cover Conformal coating on System PEC SB Airspeed Transducer TP10 D5509 Rev 2, Nov 75 Mod 3. Static leak tests Mandatory SB Airspeed Transducer TP10 D5509 May 31/82 Mod 05. Wiper fixture: improved reliability. Recommended SB Mach Pressure Error D5921, D5922 Rev 1, Mar 18/71 Mod 01. Eliminate risk of transducer damage by possible wrong external wiring Recommended Correction Transducer SB Mach Pressure Error D5921 Feb 7/72 To correct the phasing of the Pressure Error Output signal. Mandatory Correction Transducer SB 34-A.400 Smiths Altimeter Altitude Type 3D Feb 72 Isolation of P.E. Transducer, pending correction mod to prevent reverse signal. Mandatory Alerting System SB 4524 (SADAS 33) Acceleration Transducer PGS D4524/2 Jul 24/72 Improve standard of output signal Recommended SB Accident Data Recorder D Capstan change SB XXXX OQAR Mod 8 D XXXX May 09 Replacement drive signal loom. Recommended SB XXXX OQAR Mod 8 D XXXX May 09 Replacement drive signal loom Recommended SB 800-D Recycling Recorder D6400 Apr 70 Mod 1. Introduction of spool brakes SB 800-D Recycling Recorder D6400 Sep 24/71 Mod 1. Introduction of spool brakes Recommended SB 800-D Recycling Recorder D6400 May 16/80 Mod 8. Improvement of failure detection. Recommended SB 800-D Recycling Recorder D6400 Jan 8/82 Mod 9. Improvement of failure detection. Recommended SB 800-D Recycling Recorder D6400 Jul 19/85 Mod 10. Change in component values where alternative motor fitted. Recommended SB 800-D Recycling Recorder D6400 May 06/98 Mod 11. Electronic Module Assy mod to enable use of Tape Spool SA11937/1 Recommended Page 1 of 16

2 SB 800-D Recycling Recorder D6400 Rev 2, Apr 14/72 Mod 2. Improvement to tape guidance & drive. Recommended SB 800-D Recycling Recorder D6400 Feb 25/72 Mod 3. Standardisation of wiring of monitor head amplifier. Recommended SB 800-D Recycling Recorder D6400 Rev 3, Apr 25/75 Mod 5. To allow unit to be used on either Plessey or Hamilton Std IDS Recommended SB 800-D Recycling Recorder D6400 Nov 8/76 Introduce alternative type of counter wheel. SB 800-D Recycling Recorder D6400 Rev 3, Mar 16/79 Mod 6. Introduce alternative type of capacitors. Optional SB 800-D Recycling Recorder D6400 Rev 1, Mar 19/79 Mod 7. Improvement of failure detection. Recommended SB 800-D Recycling Recorder D6400 Nov 23/79 Guide roller dimensions. Recommended SB 800-D Accident Data Recorder D7165 Aug 4/72 Mod 2. Prolong life of recording tape by changing pinch roller material in trial units. Trial SB A Airspeed Transducer TP10 D /04/1975 Replacement seals Mandatory SB CT-D Instrument - Tape Cassette CT/D7100 Sep 24/71 Mod 1. To ensure counter is locked in its correct position. Recommended SB CT-D Instrument - Tape Cassette CT/D7100 Jun 21/72 Mod 2. To improve reliability of EOT detection. Recommended SB CT-D Instrument - Tape Cassette CT/D7100 Rev 1, Apr 23/76 Mod 3. Alternative to obsolete counter assembly. SB D10922 ADU Test Set D10922 Jun 81 Mod 1. Allow "Servo Follow Up" monitoring to be carried out when RAMP switch is ON. Recommended SB D QAR D17666 Feb 25/83 Removal of software eject facility Recommended SB D QAR D17666 Rev 2, Jul 17/87 Addition of battery backup for dynamic memory & changes in software Recommended SB D QAR D17666 Rev 1, Feb 23/93 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional SB D QAR D17666 Sep 12/95 SB D QAR D17666 May 22/98 PSU mod to enable replacement of capacitor C3 Recommended Page 2 of 16

3 SB D QAR D17666 Sep 22/98 Modify Drive & Control PEC SA85220/1 to enable replacement of resistors Recommended SB D QAR D17666 Sep 20/99 SB D QAR D17666 Mar 16/00 Replacement of obsolete phototransistors Unavoidable SB D QAR D17666 Mar 01/04 Testing & modifying tape guide rails on SA85204 Optional SB D Airspeed Transducer D3425 Mar 24/71 Change to "On Condition" basis, subject to periodic calibration check Recommended SB D Absolute Pressure PGS 1509/2 D3426/8 Mar 24/71 Change to "On Condition" basis, subject to periodic calibration check Recommended Transducer SB D3430/4 Acceleration Transducer D3430/4 Mar 24/71 re transducer calibration period. Recommended SB D3430/4 (SADAS 32) Accelerometer D3430/4 Jul 24/72 Improvement to standard of output signal from transducer. Recommended SB D Accelerometer PGS 1510/1 D4524/2 Mar 24/71 re transducer calibration period. Recommended SB D Accelerometer D4524/2 Oct 31/73 Mod 02. Improvement to standard of output signal from transducer. Optional SB D Acceleration Transducer D4524/2 24/03/1971 re transducer calibration period. Recommended SB D QAR D50046 Sep 13/95 SB D QAR D50046 Oct 4/95 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional SB D QAR D50046 Jul 03/98 PSU mod to enable replacement of capacitor C3 Recommended SB D QAR D50046 Sep 20/99 SB D QAR D50759 Jun 27/86 Mod 1. Correction of Tape Low signal Recommended SB D QAR D50759 Mar 16/92 Software issue D. Improvement to operating software. Optional SB D QAR D50759 Rev 1, Feb 23/93 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional Page 3 of 16

4 SB D QAR D50759 May 24/93 SB D QAR D50759 Sep 13/95 SB D QAR D50759 Sep 27/95 SB D QAR D50759 Jul 03/98 PSU mod to enable replacement of capacitor C3 Recommended SB D QAR D50759 Sep 22/98 Modify Drive & Control PEC SA85220/1 to enable replacement of resistors Recommended SB D QAR D50759 Sep 20/99 SB D QAR D Rev 1, Jul 01/91 Improvement to operating software. Upgrade to software issue B On Repair SB D QAR D Jun 26/00 Replacement of obsolete phototransistors Unavoidable SB D QAR D Jul 02/92 Improvement to operating software, identified as C. Optional SB D QAR D Rev 1, Feb 23/93 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional SB D QAR D May 24/93 SB D QAR D Sep 15/95 SB D QAR D Sep 12/95 SB D QAR D Jul 03/98 PSU mod to enable replacement of capacitor C3 Recommended SB D QAR D Sep 22/98 Modify Drive & Control PEC SA85220/2 to enable replacement of resistors Recommended SB D QAR D Sep 20/99 SB D QAR D50761 Jun 27/86 Mod 1. Correction of Tape Low signal Recommended SB D QAR D50761 Sep 20/99 Page 4 of 16

5 SB D QAR D50761 Mar 01/04 Testing & modifying tape guide rails on SA85204 Optional SB D QAR D50761 Rev 3, Feb 23/93 Upgrade to type D BA SB D QAR D50761 Rev 1, Feb 23/93 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional SB D QAR D50761 May 24/93 SB D QAR D50761 May 27/93 Improvement to operating software. Identified as software letter D. Optional SB D QAR D50761 Sep 13/95 SB D QAR D50761 Sep 27/95 SB D QAR D50761 Jul 03/98 PSU mod to enable replacement of capacitor C3 Recommended SB D QAR D50761 Sep 22/98 Mod Drive & Control PEC SA85220/2 or SA85220/3 to enable replacement of resistors Recommended SB D QAR D50766 Rev 1, Feb 23/93 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional SB D QAR D50766 May 24/93 SB D QAR D50766 Sep 13/95 SB D QAR D50766 Sep 15/95 SB D QAR D50766 Jul 03/98 PSU mod to enable replacement of capacitor C3 Recommended SB D QAR D50766 Sep 22/98 Mod Drive & Control PEC SA85220/3 to enable replacement of resistors Recommended SB D QAR D50766 Sep 20/99 SB D QAR D51092 Rev 1, Feb 23/93 Reduce system clock rise/fall time when replacing NMOS DMA device with CMOS DMA Optional SB D QAR D51092 May 24/93 Page 5 of 16

6 SB D QAR D51092 Sep 13/95 SB D QAR D51092 Sep 27/95 SB D QAR D51092 Jul 03/98 PSU mod to enable replacement of capacitor C3 Recommended SB D QAR D51092 Sep 20/99 Circuit changes required when fitting higher resolution heads Optional SB D CDRE D51624 New Service Bulletin to cover software upgrade to REL03 Electronics Unit to Ground Support Interface. SB D QAR D51434 Dec 1/88 Improvement to operating software. Identified as REF SOFTWARE B Optional SB D QAR D51434 Sep 22/98 Mod Drive & Control PEC SA85220/2 or SA85220/3 to enable replacement of resistors Recommended SB D QAR D51434 Rev 2, May 03/04 SB D QAR D51434 Mar 16/00 Replacement of obsolete phototransistors Unavoidable SB D QAR D51434 Mar 01/04 Testing & modifying tape guide rails on SA85204 Optional SB D QAR D51434 Jan 17/91 Improvement to operating software, identified as letter C. On Repair SB D QAR D51434 Rev 2, Apr 29/93 Upgrade to type D51442 & D Applies to Teledyne/BA data compression system BA SB D QAR D51434 Rev 1, Jan 14/93 Upgrade to enable use of 600ft tape cartridges. P/N change to D Optional SB D QAR D51434 Rev 3, May 24/93 Software improvement to prevent data corruption problems & allow 1020ft tape operation. Identified as software issue letter D. SB D QAR D51434 May 20/93 SB D QAR D51434 Aug 03/95 SB D QAR D51434 Oct 03/95 SB D QAR D51434 Oct 04/95 Fit capacitor/resistor network to each data line, to slow down rise/fall times Optional Optional Page 6 of 16

7 SB D QAR D51438 Feb 20/91 Improvement to operating software, identified as software issue letter C. On Repair SB D QAR D51438 Rev 2, May 24/93 Improvement to operating software, identified as software issue letter D. Optional SB D QAR D51438 May 24/93 SB D QAR D51438 Sep 13/95 SB D QAR D51438 Oct 03/95 SB D QAR D51438 Oct 17/95 Fit capacitor/resistor network to each data line, to slow down rise/fall times Optional SB D QAR D51438 Sep 22/98 Mod Drive & Control PEC SA85220/2 or SA85220/3 to enable replacement of resistors Recommended SB D QAR D51438 Sep 20/99 SB D QAR D51439 Apr 28/93 Improvement to operating software. Identified as software issue letter C. Optional SB D QAR D51439 May 24/93 SB D QAR D51439 Sep 13/95 SB D QAR D51439 Oct 03/95 SB D QAR D51439 Oct 04/95 Fit capacitor/resistor network to each data line, to slow down rise/fall times Optional SB D QAR D51439 Sep 22/98 Mod Drive & Control PEC SA85220/2 to enable replacement of resistors Recommended SB D QAR D51439 Sep 20/99 SB D QAR D51440 Apr 28/93 Improvement to operating software. Identified as software letter C. Optional SB D QAR D51440 May 24/93 SB D QAR D51440 Sep 13/95 Page 7 of 16

8 SB D QAR D51440 Oct 03/95 SB D QAR D51440 Oct 04/95 Fit capacitor/resistor network to each data line, to slow down rise/fall times Optional SB D QAR D51440 Sep 22/98 Mod Drive & Control PEC SA85220/2 to enable replacement of resistors Recommended SB D QAR D51440 Sep 20/99 SB D QAR D51442 Rev 1, Apr 03/92 Improvement to operating software. Identified as software letter D. Optional SB D QAR D51442 Rev 1, Apr 29/93 Improve immunity of RS422 receiver channel to noise spikes Optional SB D QAR D51442 May 24/93 SB D QAR D51442 Jun 21/93 SB D QAR D51442 Sep 12/95 SB D QAR D51442 Oct 04/95 Fit capacitor/resistor network to each data line, to slow down rise/fall times Optional SB D QAR D51442 Sep 22/98 Mod Drive & Control PEC SA85220/2 or SA85220/3 to enable replacement of resistors Recommended SB D QAR D51442 Sep 20/99 SB D QAR D51442 Mar 01/04 Testing & modifying tape guide rails on SA85204 Optional SB D CVFDR D51506 Aug 27/92 Advisory SB. Suspect relays P/N W105807/205 on mother PEC. SB D CVFDR D51506 Aug 27/92 Mod 01. New motor assy and various PEC mods. Optional SB D CVFDR D51508 Aug 27/92 Mod 01. New motor assy and various PEC mods. Optional SB D SSCVFDR D51521-XXX-XXX Dec 01/95 Improved power-fail/interrupt protection Recommended SB D SSCVFDR D51521-XXX-XXX Feb 21/96 Improvement to operating software. Recommended Page 8 of 16

9 SB D SSCVFDR D51521-XXX-XXX Apr 22/00 Mods 2 & 3. Prevention of crash protected memory corruption Recommended SB D ESCADU D /10/2011 Removal of Orange Band & Replacement of Part Number Label Customer Request SB D MPFR D XX Oct 22/02 Software raised to version 4 - Mod 1 Optional SB D MPFR D Nov 2013 Change of Crash Box from CSMM P/N SA Iss 6 to RCSMM P/N SA Iss 2 SB D MPFR D Nov 2013 Change of Crash Tube assembly SB D DAFR & DIDAFR D XXX & 29 Nov 2013 D XXX Change of Crash Tube assembly SB D MPFR D XXX Feb 17/14 Locator beacon mounting bracket replaced with new part number. Software file path expanded for improved utilization of flash memory timing characteristics. SB D MPFR D51615-XXX Feb 17/14 System card modified to enable rotor speed recording function to be used with low frequency tachometer signals SB D Replacement memory D XX Feb 17/14 Memory device obsolete, alternative part No. requires software upgrade. Recommended Device SB D MPFR D51615-XXX Feb 17/14 Replacement for obsolete hardware (Crash Protected Memory), SDRAM chips replaced. On-repair Optional On-Repair SB D MPFR D51615-XXX Initial Issue Modify (Top Level only), repair to audio monitor to correct CVR fail indication. On-Repair SB D MPFR D51615-XXX Feb 17/14 Obsolete crash box replaced On Repair SB D EMPFR D Iss 1 SB to cover replacement of crash box assy. SB D MPFR D /D Jul 14/14 Upgrade D to D , replace crash tube assembly. Sent for validation Infoformation Only SB D MPFR (90-Day Beacon) Kit Issue 3 Revised Service Bulletin to cover the introduction of the 90-Day Beacon SB D MPFR D New SB to cover corrosion issue. SB D MPFR D51615-XXX Rev 4, July 2014 FDR Data Rate check & re-configuration procedure Recommended Page 9 of 16

10 SB D MPFR D Jan 2013 Mod 11: Improved seawater protection for CSMM SB D MPFR D Jan 2013 Mod 9: Improved seawater protection for CSMM SB D DAFR D XX Jul17/13 Replacement Crash-Survivable Memory Module SB D DAFR D th Oct 2013 Updating the SW Configuration file Optional SB D CCU D New Pre Amplifier SA to replace existing W Hybrid Pre Amplifier The PCB pre amplifier corrects the polarity inversion at the output of the existing CCU. SB D SB D SB D SB D SB D SB D CCU D , D and D Initial Issue Notification of variant Mod states: D (Mod 2), (Mod 3), Mod 3) and (Mod 4) CCU D Initial Issue New Pre Amplifier SA to replace existing W Hybrid Pre Amplifier The PCB pre amplifier corrects the polarity inversion at the output of the existing CCU. CCU D Initial Issue New Pre Amplifier SA to replace existing W Hybrid Pre Amplifier The PCB pre amplifier corrects the polarity inversion at the output of the existing CCU. CCU D Initial Issue New Pre Amplifier SA to replace existing W Hybrid Pre Amplifier The PCB pre amplifier corrects the polarity inversion at the output of the existing CCU. CCU D X Initial Issue New Pre Amplifier SA to replace existing W Hybrid Pre Amplifier The PCB pre amplifier corrects the polarity inversion at the output of the existing CCU. CCU D X Initial Issue New Pre Amplifier SA to replace existing W Hybrid Pre Amplifier The PCB pre amplifier corrects the polarity inversion at the output of the existing CCU. Only Infromation SB D Cockpit Control Unit D51616-XXX Iss 1 SB to cover removal of Powder Coating from inner front panel to aid bonding. SB D51623-XXXX Cockpit Area Microphone D51623-XXXX New issue SB to cover the replacement of XXXX with D51702-XX SB D MPFR D51638-TBA 0 Applicable to Hawk MPFR only Recommended SB D Cockpit Quick Access D Jan 2014 Mod 5: Improved Data decoding & addition of MOD1/MOD2 recording file format retrocompatibility. Recorder SB D Recommended ISDS (Electronics Unit) D New SB raised to cover Mod 1 to the D unit Page 10 of 16

11 SB D SB D ISDS Measuring Head D Initial issue Updated Pressure Sensor (W107899) fitted Measuring Head D & -06 N/A Updated Pressure Sensor added Only SB D ISDS D & D Mod 1-04/06/2014 Revised Part Nos, Unit raised to Mod 1 SB D MDU D51651 May 09 Software Mod 4. Recommended SB D MDU D51651 May 09 Software mod 5. Recommended SB D MDU 379 D51651 July 13 Hardware Mod 4. Software Mod 8 SB D /44/63/ PQAR D , 44000, Jul 16/ & SB D /44/63/ PQAR D , D , D & D New PCMCIA card reader modified. (MOD 2) SB raised to cover Mod 3 to PQAR (Card Reader) SB D /44XXX-31-1 PQAR D /44XXX Jun 05 Improvement to operating software. S/W.R 8 & S/W.U 12 Recommended SB D /44XXX-31-2 PQAR D /44XXX Jun 06 Use of PC as alternative to VDU in conjunction with QAR test set D51501 Optional SB D /44XXX-31-3 PQAR D /44XXX Jul 07 Mod 1. Replacement of card reader with Optional SB D XXXX OQAR D XXXX Nov 28/96 Improve operation of OQAR RS422 Tx/Rx protection circuits. Optional SB D XXXX-31-1 OQAR D XXXX Oct 07/96 Cancel requirement for cleaning optical drives. Recommended SB D XXXX OQAR D XXXX Sep 15/98 Option to revert to 128Mbyte operation. Revert to P/N D X0XX Optional SB D XXXX OQAR D XXXX Nov 18/98 Option to disable RS422 operation if not used. Recommended SB D XXXX OQAR D XXXX Feb 11/99 To prevent optical drive covers/board detaching during transit or high vibration Recommended SB D XXXX OQAR D XXXX Rev 2, Aug 26/99 Mod 1. Reduce risk of fan failure. Recommended Mandatory Page 11 of 16

12 SB D XXXX OQAR D XXXX Rev 1, Aug 26/99 Mod 2. Prevent optical drive covers/boards detatching during transit or high vibration Recommended SB D XXXX OQAR D XXXX Rev 1, Aug 26/99 Mod 3. Fitting of new anti-vibration mounting Recommended SB D XXXX OQAR D XXXX Rev 1, Aug 26/99 Mod 4. Fitting of new ruggedised drive Recommended SB D XXXX OQAR D XXXX Rev 1, Nov 28/00 Improvement to operating software. S/W.R 6 & S/W.U 9 Recommended SB D XXXX OQAR D XXXX Jun 1/01 Customer config MR & improvement to operating software. S/W.R 6 & S/W.U 9 Recommended SB D XXXX-31-2 OQAR D XXXX Oct 29/96 Improvement to operating software. S/W.U 6 Optional SB D XXXX OQAR D XXXX Jun 28/01 Mod 5. Replacement of PVC wiring Optional SB D XXXX OQAR D XXXX Sep 26/02 Replacement of identification label. Recommended SB D XXXX OQAR D XXXX Aug 05 Conversion of OQAR to PQAR Optional SB D XXXX OQAR D XXXX Jun 05 Mod 6. Replace Olympus/Sony MO drive with Fujitsu. Recommended SB D XXXX OQAR D XXXX Jun 05 Improvement to operating software. S/W.R 8 & S/W.U 12 Recommended SB D XXXX OQAR D XXXX Jul 06 Use of PC as alternative to VDU in conjunction with QAR test set D51501 Optional SB D XXXX OQAR D XXXX Mar 07 Mod 7. Replacement of drive signal loom. Recommended SB D XXXX OQAR D XXXX May 09 Mod 8. Replacement of disk drive assembly or drive signal loom Recommended SB D XXXX-31-4 OQAR D XXXX Rev 1, Oct 30/97 Change to optical disk removal procedure. Recommended SB D XXXX-31-5 OQAR D /40200/42000/4220 0/60000/62000/60200/ Application of conformal coating to PCB. ECR 9291 relates. SB D XXXX-31-5 OQAR D XXXX Rev 1, Oct 30/97 Improvement to operating software. S/W.R 5 & S/W.U 7 Optional Page 12 of 16

13 SB D XXXX-31-6 OQAR D XXXX Jan 16/98 Replace Sony SMO-E301F optical drive with Olympus MOS330E1X Optional SB D XXXX-31-7 OQAR D XXXX Mar 18/98 Upgrade to 230Mbyte operation. New P/N D X2XX Optional SB D XXXX-31-8 OQAR D XXXX Jun 26/98 Improvement to operating software. S/W.R 6 & S/W.U 8 Recommended SB D XXXX-31-9 OQAR D XXXX Jul 30/98 Increase non-volatile buffer capacity. New P/N D Recommended SB D OQAR D Mar 21/95 Improvement to operating software. S/W.U 4 Optional SB D OQAR D Jan 30/96 Intallation of case lower ventilation cover. Optional SB D OQAR D Aug 6/96 Improvement to operating software. Iss 4.05 Optional SB D OQAR D Sep 23/96 Cancellation of requirement to clean optical drives Recommended SB D OQAR D Rev 4, Feb 04/97 Improvement to operating software. Iss 4.05D4 Optional SB D /64XXX-31-1 PQAR D /64XXX Jun 05 Improvement to operating software. S/W.R 8 & S/W.U 12 Recommended SB D /64XXX-31-2 PQAR D /64XXX Jun 06 Use of PC as alternative to VDU in conjunction with QAR test set D51501 Optional SB D /64XXX-31-3 PQAR D /64XXX Jul 07 Mod 1. Replacement of card reader with Optional SB D /64XXX-31-4 PQAR D /64XXX Aug 07 Conversion of CPU PEC SA108175/X (IPC Fig 1, Item 550) Optional SB D XXXX-31-1 OQAR D XXXX Oct 07/96 Cancel requirement for cleaning optical drives. Recommended SB D XXXX OQAR D XXXX Mar 18/98 Upgrade to 230Mbyte operation. New P/N D X2XX Optional SB D XXXX OQAR D XXXX June 26/98 Improvement to operating software. S/W.R 6 & S/W.U 8 Recommended SB D XXXX OQAR D XXXX Aug 24/98 Increase non-volatile buffer capacity. New P/N D Optional SB D XXXX OQAR D XXXX Sep 15/98 Option to revert to 128Mbyte operation. Revert to P/N D X0XX Optional Page 13 of 16

14 SB D XXXX OQAR D XXXX Nov 18/98 ON HOLD Option to disable RS422 operation if not used. Recommended SB D XXXX OQAR D XXXX Jan 25/99 Conversion to P/N D , to enable operation on Airbus A330 aircraft Optional SB D XXXX OQAR D XXXX Feb 15/99 To prevent optical drive covers/board detaching during transit or high vibration Recommended SB D XXXX OQAR D XXXX Rev 2, Aug 26/99 Mod 1. Improvement to fan operation Recommended SB D XXXX OQAR D XXXX Rev 1, Aug 26/99 Mod 2. Fitting of new resistor mounting brackets. Recommended SB D XXXX OQAR D XXXX Rev 1, Aug 26/99 Mod 3. Fitting of new anti-vibration mounting. Recommended SB D XXXX-31-2 OQAR D XXXX Oct 29/96 Improvement to operating software. S/W.U 6 Optional SB D XXXX OQAR D XXXX Rev 1, Aug 26/99 Mod 4. Fitting of new ruggedised drive. Recommended SB D XXXX OQAR D XXXX Rev 1, Nov 28/00 Improvement to operating software. S/W.R 6 & S/W.U 9 Recommended SB D XXXX OQAR D XXXX Dec 12/00 Case ventilation blanking. Optional SB D XXXX OQAR D XXXX Jun 1/01 Customer config MR & improvement to operating software. S/W.R 6 & S/W.U 9 Recommended SB D XXXX OQAR D XXXX Jun 28/01 Mod 5. Replacement of PVC wiring. Optional SB D XXXX OQAR D XXXX Sep 26/02 Replacement of identification label. Recommended SB D XXXX OQAR D XXXX Aug 16/05 OQAR to PQAR conversion Optional SB D XXXX OQAR D XXXX Rev 1, June 2007 Mod 6. Replace Olympus/Sony MO drive with Fujitsu. Recommended SB D XXXX-31-3 OQAR D XXXX Nov 28/96 Improve operation of OQAR RS422 Tx/Rx protection circuits. Optional SB D XXXX OQAR D XXXX Jun 05 Improvement to operating software. S/W.R 8 & S/W.U 12 Recommended SB D XXXX OQAR D XXXX Jun 06 Use of PC as alternative to VDU in conjunction with QAR test set D51501 Optional Page 14 of 16

15 SB D XXXX OQAR D XXXX Mar 07 Mod 7. Replacement of drive signal loom. Recommended SB D XXXX OQAR D XXXX May 09 Mod 8. Replacement of disk drive assembly or drive signal loom Recommended SB D XXXX-31-4 OQAR D XXXX Jan 13/97 Incorporate customer-requested changes to operating software (iss 4.04D3) Optional SB D XXXX-31-5 OQAR D XXXX Rev 3, Feb 11/98 Incorporate customer-requested changes to operating software (iss 4.04D8) Optional SB D XXXX-31-6 OQAR D XXXX Rev 1, Feb 13/98 Incorporate customer-requested changes to operating software (iss 4.05D8) Optional SB D XXXX-31-7 OQAR D XXXX Rev 1, Oct 30/97 Change to optical disk removal procedure. Recommended SB D XXXX-31-8 OQAR D XXXX Rev 1, Oct 30/97 Improvement to operating software. S/W.R 5 & S/W.U 7 Optional SB D XXXX-31-9 OQAR D XXXX Jan 16/98 Replace Sony SMO-E301F optical drive with Olympus MOS330E1X Optional SB D52000-XXXXX PQAR D52000-XXXXX 0 PQAR Mod 2. Application of Loctite to screws on card reader. Recommended SB D52000-XXXXX PQAR D52000-XXXXX 0 PQAR Mod 03. Installation of new PC card reader and associated brackets. This is required as alternative part, due to manufacturer ceasing production of earlier card reader. SB d52000-xxxxx PQAR SA Iss 1 SB to cover discontinued PCMCIA card SA , replaced with SA SB D52000-XXXXX OQAR D52000-XXXXX (All Vsariants) SB D52000-XXXXX OQAR D XXXX & Rev. 0 D XXXX New SB to cover the replacement of the 256M PCMCIA Card - 1Gig Card as replacement Created to cover application of Conformal Coating to PCB. SB D Acceleration Transducer D5425/2 Dec 29/72 Mod 01. Improve standard of output signal from transducer. Optional Optional only SB D Air Data System D60145MOD01 Jan 7/89 Affix "Caution" label Mandatory SB D Air Data Sensor D60163 Nov 17/87 Mod 02. Fit bonded screened cableform between alt transducer & motherboard Recommended SB D Air Data Sensor D60163 Rev 1, Jan 12/90 Mod 03. Install SSEC software. Recommended Page 15 of 16

16 SB D Air Data Sensor D60163 Jan 13/92 Mods 04 (enhanced BITE), 05 (modify airspeed transducer), 06 (add Status Word). Mandatory SB D CCADTS D60302 Mar 9/92 Pump coupling upgrade. Recommended SB D60340 Iss 1 CCADTS2 D60340MK Jul 96 AC power supply replacement. Recommended SB D CCADTS2 D60340MK May 10 Replacement of backlight inverter with Optional SB D SB D Measuring Head D Initial Issue Unit raised to Mod 01 - Addition of single cable tie to secure wires in filter box ISDS D60345 New ISDS ciruit board upgraded to Mod 1 SB RD/D Recorder Unit RD/D7099 Jul 1/76 Replacement drive motor & electronic module SB RD-D Recorder Unit RD/D7099 Jun 21/72 Mod 1. Improvement to EOT & tape breakage detection Recommended SB RD-D Recorder Unit RD/D7099 Mar 7/80 Mod 2. Removal of proportional motor control Optional SB SADAS 32 Acceleration Transducer D3430/4 24/07/1972 Improve output signal from transducer. Recommended Page 16 of 16