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Determine maximum engagement speed at the expected landing gross weight (see figure 16-2). Final
approach speed depends on flap setting and the specific emergency. If required, adjust gross weight to
minimize approach speed. A constant glideslope approach to touchdown is allowed (mirror or fresnel
lens if available). Plan the approach to touchdown on centerline at or just before the arresting wire. If
the required approach speed is in excess of maximum engaging speed, land short, select IDLE power,
and decelerate into the gear. Be prepared for nose gear tire failure above 195 KGS or main gear tire
failure above 210 KGS. Plan for a long field arrestment, if maximum short field engaging speed cannot
be met. If landing at or below maximum engaging speed, maintain approach power until arrestment is
assured. After engagement, retard the throttles to IDLE. Use moderate braking, if available, during
deceleration to prevent aircraft from two-blocking the arresting gear at higher engagement speeds or
gross weights. Secure engines and evacuate the aircraft, if required. If the wire is missed, waveoff
immediately.
16.9.4 Arrestment - Long Field. Make a long field arrestment when there is a stopping problem (e.g.,
aborted takeoff or loss of brakes with no loss of directional control, etc.). If possible, go around and
A1-F18EA-NFM-000
V-16-11 ORIGINAL
make a short field arrestment. Lower the hook in time for it to fully extend before engagement
(normally 1,000 feet prior to the arresting gear). Line up on runway centerline. If possible, inform the
control tower of intention to engage the long field gear, so that aircraft landing behind can be waved
off. Do not delay a decision to go around based solely on the availability of long field gear.
16.10 BARRICADE ARRESTMENT
If a barricade arrestment is required, the LSOs will give a detailed briefing of barricade procedures.
1. Burn down or dump fuel as required to obtain the lowest gross weight feasible.
2. External ordnance - JETTISON
3. External fuel tanks - JETTISON EXCEPT AS NOTED IN LANDING GEAR MALFUNCTION
- LANDING GUIDE - CARRIER LANDING
NOTE
Barricade engagement with installed AIM-7, AIM-120 and/or AIM-9
missiles is not recommended. AIM-7 and AIM-120 missiles may
separate and AIM-9 missiles will probably separate from the aircraft.
Inability to jettison/fire these missiles does not preclude successful
barricade engagement. Barricade may be engaged with empty external
tanks if tanks cannot be jettisoned. When live ordnance cannot be
jettisoned, barricade engagement should only be attempted with all
landing gear down.
4. Fly an on-speed, on-glideslope, on-centerline approach with zero drift all the way to touchdown.
When ²Cut-Cut² called by LSOs -
5. Throttles - OFF
When aircraft motion ceases -
6. EGRESS
16.11 CV RECOVERY MATRIX
See figure 16-3 for the CV recovery matrix.
A1-F18EA-NFM-000
V-16-12 CHANGE 1
TYPE OF
ARRESTING GEAR
AIRCRAFT GROSS WEIGHT (x 1,000 POUNDS)
MAXIMUM
OFF-CENTER
ENGAGEMENT
(FEET)
LANDING ABORTED TAKEOFF (3)
31.5 35 40 45 50.6 55 60 66
MAXIMUM ENGAGING SPEED (Knots Groundspeed) (1)
E-28 (2) 170 170 170 170 170 158 144 130 40
M-21 150 150 145 140 130 125 120 115 10
BAK-9 160 160 160 160 158 148 138 128 30
BAK-12 (4) 160 160 160 160 150 132 (4) (4) 50
DUAL BAK-12 (5) 160 160 160 160 160 160 160 160 30
BAK-13 160 160 160 160 160 158 144 130 40
NOTE
(1) Maximum engaging speed limited by arresting gear capacity, except where noted.
(2) Also for the E-28 systems at Keflavik and Bermuda (standard installations or with 920 foot tapes).
(3) Data provided in aborted takeoff column may be used for emergency high gross weight arrestment.
(4) Standard BAK-12 limits are based on 150 foot span, 1 inch cross deck pendant, 40,000 pound weight setting,
and 950 foot runout. No information available regarding applicability to other configurations. BAK-12
engaging speed limit is 96 knots at 59,000 pounds. Due to runout limitations, it is recommended this gear not
be engaged at weights greater than 59,000 pounds.
(5) Dual BAK-12 limits are based on 150 to 300 foot span, 1-1/4 inch cross deck pendant, 50,000 pound weight
setting, and 1,200 foot runout. No information available regarding applicability to other configurations.
For E-28 or BAK-13 arresting gear systems, two-blocking can occur at
aircraft weights above 50,000 pounds and at engaging speeds above 130
knots. Moderate braking should be utilized during deceleration, if available,
to aid in stopping the forward motion of the aircraft and prevent an
aircraft with idle power from slowly pulling the gear to a two-block
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NATOPS Flight Manual 飞行手册 2(64)
