CFR 129 C384 Job Aid/Instructions Rev:20
Last update 05/12/2017. All recommendations and corrections need to either
the International FAA or Industry Chair of the Part 129 OSWG. For directory
listing current chairs go to the most recent OSWG meeting agenda. All meeting
agendas start with the year and can be found at the following link:
Change: added directions for where to send in Job Aid/Instructions recommendations
and corrections. Also, on 5/12/2017 added a new dropdown choice (Autopilot
and/or Flight Director) to 5th column of the table 1 in OpSpec C384.
OpSpec C384 identifies each make, model, and series (M/M/S) of aircraft,
Navigation System M/M/S and Software version limitations, and lowest authorized
RNP the foreign air carrier is authorized to use when conducting RNP AR IAP
operations within the United States. The most restrictive of the following will
be entered: that authorized by the operators CAA, FAA headquarters (HQ) concurrence
memo and the operators FAA principal operations inspector (POI).
1) All aircraft information must be first entered into the Web‑based
automated Operations Safety System (WebOPSS) in the left navigation area, under
CHDO > Maintain Operator Data > Aircraft.
a) From the dropdown in Table 1 of the OpSpec, under the column
Aircraft M/M/S select an aircraft M/M/S. Use the + symbol to add additional
rows. Repeat for each authorized aircraft.
b) Enter navigation system make/model/series and software version.
The specific make and model series of navigation equipment including the current
software version installed on each associate aircraft M/M/S must be entered
in the column labeled Navigation System of Table 1. The Navigation System
column is further broken down into two columns: one for M/M/S and one for Software
Version. PIs should remind operators that any change to the OpSpec, e.g., a
change in the Software Version constitutes a change to the OpSpec and must be
authorized prior to use in U.S. airspace.
c) Enter limitations in the column labeled Limitations. If there
are no limitations, then select None from the dropdown; do not leave blank.
Enter all applicable limitations as follows:
Not authorized to use temperature compensation system. Enter
this limitation unless the aircraft has temperature compensation in accordance
with AC 90‑101, appendix 2, paragraph 3a(7), and the foreign
air carrier provides pilot training on the use of the temperature compensation
Not authorized procedures with missed approaches requiring
RNP less than 1.0. Enter this limitation when the aircraft/navigation
system does not meet AC 90‑101, appendix 2 criteria—Approaches
with a Missed Approach less than RNP 1.0.
NOTE: When there are dropdowns the box will not expand to
display the text while entering/editing, however the PI may scroll left and
right as well as up and down to find the spot they want to type any additional
limitation that pertain to the selected dropdown. The PI will be able to see
all of the text that was entered when they hit the preview button.
d) Enter autopilot or flight director (FD) requirement. RNP AR procedures
with RNP values less than RNP 0.3 or with RF legs require the use of autopilot
or FD driven by the RNAV system in all cases. Select in Table 1, in the
column labeled “Autopilot Coupled or Flight Director Required, one of the following
in accordance with the aircraft/navigation system qualification:
Autopilot coupled with Flight Director
Flight Director Only
NOTE: PIs may also select Autopilot and/or Flight Director
if headquarter concurrence was received and the operator will be training their
flight crews for both autopilot and flight director to that RNP value. As of
5/12/2017 OpSpec C384 table 1, 5th column has the following 3 dropdown
e) Enter Lowest Authorized RNP Value in Table 1 of the OpSpec, in
the column labeled Lowest RNP. These values will vary depending on the M/M/S
and navigation system combination.
NOTE: Many aircraft will have different RNP values associated
with Autopilot coupled with Flight Director or Flight Director Only operations.
f) Enter Additional Aircraft Capabilities. Select any additional
aircraft capability from the list. If selecting more than one value, hold down
the control key (Ctrl) while clicking on the value(s) in the list. If manually
adding capabilities, hold down the SHIFT key while clicking on the backslash
\ key after each manually added capability. This will ensure that the selections
and/or entries appear in a list format for ease of reading. DO NOT USE THE ENTER
KEY when selecting multiple values. Click back on the dropdown arrow to close
g) Since all operators in U.S. airspace must have radius to Fix (RF)
leg capability the RF legs dropdown must be selected for all operators to
whom C384 issued. Any operator which does not have RF leg capability must not
be issued C384.
NOTE: If any aircraft system required for RNP AR is modified
(e.g., software or hardware change/revision), the operator must obtain
the manufacturers updated aircraft qualification and operational documentation
confirming continued suitability for RNP AR approach operations.
Unless the manufacturer documentation indicates the
change/revision has no effect on RNP AR operations, AFS‑400 and
the division manager of AFS‑50, must provide a revised concurrence memo
to the operators use of the aircraft with modifications for RNP AR operations.
The IFO should coordinate with the Performance Based Flight Systems Branch (AFS‑470)
and AFS‑50 HQ to facilitate processing of the operators request for operational
approval with the changed/revised equipment.
Software or hardware changes must be supported by the manufacturers
updated aircraft qualification and operational documentation.