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*5. HOOK handle - DOWN
HOOK
Warning Light
· Arresting hook position does not agree with
HOOK handle position.
· Hook not fully extended with the HOOK handle
down inflight.
· Hook down with WonW.
If the mechanical hook uplatch mechanism fails,
the hook cannot be released and an arrested landing
is not possible. If the hook is unlocked (HOOK
handle down) but fails to leave the up position, an
arresting hook system failure may be applying HYD
2B pressure to hold the hook up. For this reason,
pulling the HOOK circuit breaker deenergizes the
hook selector valve and ensures HYD 2B pressure is
removed.
If the arresting hook snubber is not properly
charged, the arresting hook may not fully extend
due to airloads and HYD 2B back-pressure. In this
case, if reducing airspeed does not extinguish the
HOOK light, shutting down the right engine reduces
HYD 2B back-pressure and should increase
arresting hook extension. After engine restart, the
hook may retract at a maximum rate of 2° minute.
If the HOOK light remains on after this procedure
and a visual inspection confirms that the hook is
partially extended, a successful arrestment is possible
due to g-loads at landing.
INFLIGHT
1. Reduce airspeed.
If HOOK light remains on -
2. Get a visual inspection (if practical).
If the hook is in the up position -
2. HOOK circuit breaker - PULL
If the HOOK light remains and the hook is
partially extended -
3. Throttle right engine - OFF
4. Restart for landing.
If hook still fails to extend (CV landing) -
5. Divert
If the hook is partially extended -
5. Attempt a normal carrier landing.
A1-F18EA-NFM-000
Figure 12-1. Warning/Caution/Advisory Displays (Sheet 3 of 55)
V-12-5 CHANGE 1
Warning Lights
INDICATOR · CAUSE / REMARKS CORRECTIVE ACTION
Landing Gear
Warning Light
(Light in LDG
GEAR Handle)
· Landing gear in transit.
· Landing gear unsafe.
· Planing link failure.
--------------------------------------------------------------
· Wheels warning (less than 7,500 feet, less than
175 KCAS, over 250 fpm descent rate).
· Loss of air data.
STEADY -
1. Check gear down indications.
2. Refer to appropriate emergency procedures.
---------------------------------------------------------------
FLASHING -
1. LDG GEAR handle - DN or increase airspeed
and/or altitude.
RED
L BAR
Warning Light
ON DECK
· Launch bar control system malfunction (proximity
switch failure).
INFLIGHT
· Launch bar failed to retract after catapult launch
(Launch bar not up and locked AND weight off
the left main gear).
· Launch bar control system malfunction (proximity
switch failure).
If the light remains on, assume that the launch
bar is NOT up and locked and that it may drop to
the deck during landing. The nose landing gear cannot
be retracted. Placing the LDG GEAR handle
UP raises the main landing gear and leaves the nose
landing gear extended.
ON DECK
1. Suspend catapult launch.
2. LAUNCH BAR switch ± RETRACT
If launch bar fails to retract -
3. LB circuit breaker - PULL
INFLIGHT
1. LDG GEAR handle ± LEAVE DN (if practical)
2. LAUNCH BAR switch ± VERIFY RETRACT
3. LB circuit breaker ± PULL
CV ±
4. Divert or remove cross deck pendants 1 and 4
and make a normal landing.
Ashore ±
4. Remove arresting wires and make a normal
landing.
RALT Warning
(on UFCD)
· Aircraft is below the primary low altitude warning
(LAW) setting.
1. Climb above primary RALT setting or reset
LAW setting to a lower altitude.
SPN
Warning Light
· SPIN switch in the RCVY position.
Selection of manual spin recovery mode (SPIN
switch to RCVY) seriously degrades controllability,
prevents recovery from any departure or spin, and
is prohibited.
1. SPIN switch - NORM (GUARD DOWN)
THREAT WARNINGS Refer to Tactical Manual.
UNSAFE
(rear cockpit)
· Landing gear in transit.
· Landing gear unsafe.
Does not illuminate for a planing link failure, loss
of air data, or wheels warning.
Confirm landing gear position with pilot.
A1-F18EA-NFM-000
Figure 12-1. Warning/Caution/Advisory Displays (Sheet 4 of 55)
V-12-6 ORIGINAL
.
DDI Cautions and Caution Lights
INDICATOR · CAUSE / REMARKS CORRECTIVE ACTION
AIR DATA
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本文链接地址：
NATOPS Flight Manual 飞行手册 2(17)
