Document ID: FAA-2005-20245-0077
Agency: faa
Document Type: Rule
Title: Revisions to Cockpit Voice Recorderand Digital Flight Data Recorder Regulations Correction
Posted Date: 2008-03-21T04:00Z

[Federal Register: March 21, 2008 (Volume 73, Number 56)]
[Corrections]               
[Page 15280-15281]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr21mr08-136]                         

[[Page 15280]]

DEPARTMENT OF TRANSPORATION

Federal Aviation Administration

14 CFR Parts 91 and 135

[Docket No. FAA-2005-20245; Amendment No. 23-58, 25-124, 27-43, 29-50, 
91-300, 121-338, 125-54, 129-45, and 135-113]
RIN 2120-AH88

 
Revisions to Cockpit Voice Recorder and Digital Flight Data 
Recorder Regulations

Correction

    In rule document E8-3949 beginning on page 12542 in the issue of 
Friday, March 7, 2008, make the following corrections:

Appendix E to Part 91 [Corrected]  

    1. On page 12565, Appendix E to Part 91 is corrected as follows:

                         Appendix E to Part 91.--Airplane Flight Recorder Specifications
----------------------------------------------------------------------------------------------------------------
                                                                                          Sampling
                                                                 Installed system \1\     interval    Resolution
             Parameters                        Range            minimum accuracy  (to       (per       \4\ read
                                                                   recovered data)        second)        out
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
Stabilizer Trim Position or Pitch     Full Range.............  3% unless              1       \3\ 1%
 Control Position \5\.                                          higher uniquely
                                                                required.
                                                 * * * * * * *
----------------------------------------------------------------------------------------------------------------
\1\ When data sources are aircraft instruments (except altimeters) of acceptable quality to fly the aircraft,
  the recording system, excluding these sensors (but including all other characteristics of the recording
  system), shall contribute no more than half of the values in this column.
* * * * *
\3\ Percent of full range.
\4\ This column applies to aircraft manufactured after October 11, 1991.
\5\ For Pitch Control Position only, for all aircraft manufactured on or after April 7, 2010, the sampling
  interval (per second) is 8. Each input must be recorded at this rate. Alternately sampling inputs
  (interleaving) to meet this sampling interval is prohibited.

Appendix F to Part 91 [Corrected]  

    2. On the same page, Appendix F to Part 91 is corrected as follows:

                        Appendix F to Part 91.--Helicopter Flight Recorder Specifications
----------------------------------------------------------------------------------------------------------------
                                                                            Installed
                                                                            system \1\
                                                                             minimum      Sampling    Resolution
                Parameters                              Range                accuracy     interval     \3\ read
                                                                               (to          (per         out
                                                                            recovered     second)
                                                                              data)
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
Collective \4\............................  Full Range...................       3%

[[Page 15281]]

Pedal Position \4\........................  Full Range...................       3%
Lat. Cyclic \4\...........................  Full Range...................       3%
Long. Cyclic \4\..........................  Full Range...................       3%
Controllable Stabilator Position \4\......  Full Range...................       3%
----------------------------------------------------------------------------------------------------------------
\1\ When data sources are aircraft instruments (except altimeters) of acceptable quality to fly the aircraft,
  the recording system, excluding these sensors (but including all other characteristics of the recording
  system), shall contribute no more than half of the values in this column.
\2\ Percent of full range.
\3\ This column applies to aircraft manufactured after October 11, 1991.
\4\ For all aircraft manufactured on or after April 7, 2010, the sampling interval per second is 4.

Appendix C to Part 135 [Corrected]  

    3. On page 12571, Appendix C to Part 135 is corrected as follows:

                       Appendix C to Part 135.--Helicopter Flight Recorder Specifications
----------------------------------------------------------------------------------------------------------------
                                                                            Installed
                                                                            system \1\
                                                                             minimum      Sampling    Resolution
                Parameters                              Range                accuracy     interval     \3\ read
                                                                               (to          (per         out
                                                                            recovered     second)
                                                                              data)
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
Collective \4\............................  Full Range...................       3%
Pedal Position \4\........................  Full Range...................       3%
Lat. Cyclic \4\...........................  Full Range...................       3%
Long. Cyclic \4\..........................  Full Range...................       3%
Controllable Stabilator Position \4\......  Full Range...................       3%
----------------------------------------------------------------------------------------------------------------
\1\ When data sources are aircraft instruments (except altimeters) of acceptable quality to fly the aircraft,
  the recording system, excluding these sensors (but including all other characteristics of the recording
  system), shall contribute no more than half of the values in this column.
\2\ Percent of full range.
\3\ This column applies to aircraft manufactured after October 11, 1991.
\4\ For all aircraft manufactured on or after April 7, 2010, the sampling interval per second is 4.

Appendix E to Part 135 [Corrected]  

    4. On the same page, Appendix E to Part 135 is corrected as 
follows:

                       Appendix E to Part 135.--Helicopter Flight Recorder Specifications
----------------------------------------------------------------------------------------------------------------
                                                                             Accuracy
                                                                              sensor      Sampling    Resolution
                Parameters                              Range                input to     interval     \2\ read
                                                                               DFDR         (per         out
                                                                             readout      second)
----------------------------------------------------------------------------------------------------------------

                                                  * * * * * * *
Pilot Input--Primary Controls (Collective,  Full Range...................       3%
 Pedal) \3\.

                                                  * * * * * * *
----------------------------------------------------------------------------------------------------------------
\1\ Percent of full range.
\2\ This column applies to aircraft manufactured after October 11, 1991.
\3\ For all aircraft manufactured on or after April 7, 2010, the sampling interval per second is 4.

[FR Doc. Z8-3949 Filed 3-20-08; 8:45 am]

BILLING CODE 1505-01-D