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Pressing the FCS RESET button simultaneously with the paddle switch
does not correct BIT detected FCS failures; it simply clears the BLIN
codes from the FCS display. FCS IBIT must be re-run after clearing
BLIN codes to ensure that previously detected failures no longer exist. If
BLIN codes remain following IBIT, maintenance action is required to
identify and correct failures in the FCS.
NOTE
· With the wings folded, both ailerons are X'd out, but no aileron BLIN
codes should be displayed. Even with wings folded, there are aileron
functions tested that may reveal FCS failures via valid BLIN codes.
· For FCS IBIT to start, the FCS BIT consent switch must be held for
at least 2 seconds. If not held for the required time, FCS A and FCS B
will indicate RESTRT on the BIT status line. If RESTRT is displayed,
select STOP on the FCS-MC sublevel display and then repeat
the initiation procedure.
· The FCS will not enter IBIT if the throttles are above 14° THA or
NWS is engaged.
· Do not operate any FCS related switches or move the stick or rudder
pedals while FCS IBIT is running, as this may produce false failure
indications.
· With the wings folded, a BIT status indication of GO will only be
displayed for approximately 2 seconds before reverting to a DEGD
indication. BIT status will return to GO when the wings are spread and
locked.
· If the FCS IBIT fails, FCS A and FCS B will indicate DEGD on the
BIT status line. Note surface X's and/or BLIN codes and contact
maintenance personnel.
A1-F18EA-NFM-000
III-7-23 ORIGINAL
11. Trim - CHECK (check pitch, roll, and yaw trim for proper movement in all directions)
NOTE
It is not possible to trim the stabilators to negative values (TED) with
WonW.
12. T/O TRIM button - PRESS UNTIL TRIM ADVISORY DISPLAYED (stabilators 4° NU)
NOTE
If the TRIM advisory does not appear, longitudinal trim is not set for
takeoff. The CHECK TRIM caution will be displayed when both
throttles are advanced beyond 27° THA if the stabilators are trimmed
less than 3.5° TEU with the launch bar up (field takeoff) or 6.5° TEU
with the launch bar down (carrier takeoff).
13. Controls - CHECK (tolerance ±1°)
a. Control stick - CYCLE
(1) Full aft - CHECK 24° NU stabilator
(2) Full fwd - CHECK 20° ND stabilator
(3) Full L/R - CHECK 30° differential stabilator (21° with tanks or A/G stores on any wing
station)
- CHECK differential TEFs
b. FLAP switch - HALF
c. Rudder pedals - CYCLE 40° L/R
d. FLAP switch - FULL (carrier-based)
e. TRIM - SET FOR CATAPULT LAUNCH (carrier-based)
14. PROBE, speedbrake, LAUNCH BAR switches and HOOK handle - CYCLE
15. Pitot and AOA heat check - PERFORM
a. PITOT ANTI ICE switch - ON
b. Make sure ground crew verify proper operation
A1-F18EA-NFM-000
III-7-24 ORIGINAL
c. PITOT ANTI ICE switch - AUTO
Failure of both AOA probe heaters in icing conditions may cause a sharp
uncommanded nose down attitude, uncontrollable by normal stick forces
or paddle switch actuation.
16. APU - VERIFY OFF
17. FLBIT option - SELECT/SET BINGO
18. CVRS - AS DESIRED (both cockpits)
19. Standby attitude reference indicator - UNCAGE AND ERECT (both cockpits)
20. Altimeter setting - SET (both cockpits)
NOTE
If the standby altimeter barometric pressure is adjusted during the
FCS IBIT, the altitude reading displayed in the HUD will not change
until the IBIT is complete.
21. INS - CHECK
a. Alignment Status - VERIFY COMPLETE
b. GPS HERR/VERR - VERIFY WITHIN LIMITS
c. INS knob - NAV or IFA
NOTE
· Prior to placing the INS switch to IFA for a GPS alignment or for
AINS position keeping, ensure valid GPS data is available. AINS
position keeping is normally available when GPS HERR and VERR
are each less than 230 feet. Double digit GPS HERR/VERR (less than
100 feet) should guarantee AINS position keeping is available.
· Selecting IFA without good GPS data and without a complete carrier
or ground alignment will cause the INS to attempt to perform a radar
IFA and will halt/prevent alignment. If this occurs, return the INS
knob to GND or CV (as appropriate).
22. MUMI/ID - SELECT/ENTER DATE and FLT
23. Stores page - VERIFY PROPER STORE INVENTORY AND STATION STATUS
A1-F18EA-NFM-000
III-7-25 ORIGINAL
24. ZTOD/LTOD - BOX TO ENABLE HUD DISPLAY (if desired)
NOTE
· The TIMEUFC option is removed from the HSI format if INS
alignment is being performed (GND, CV, or IFA GPS).
· At GPS power up (first GEN online), SDC time and date are
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NATOPS Flight Manual 飞行手册 1(135)