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checklists will be accomplished in their normal sequence then,
once deicing was complete, the DELAYED ENGINE START and
TAXI checklists will be accomplished.
737
Flight Manual Continental
Sec. 3 Page 334
TR 03-02 01/20/03
- - - - - AFTER DEICING IS COMPLETE - - - - -
Control Column....................................................................................CYCLE
The control column will be smoothly and slowly cycled from the full aft to
the full forward position a minimum of three times to minimize the residual
fluids in the balance bay during flight.
BC Per Airworthiness Directive 2002-08-20 / AMOC 120S-02-907:
“After ground deicing / anti-icing of the horizontal stabilizer using Type II
or Type IV fluids, airspeed must be limited to 270 KIAS until the flight
crew has been informed that applicable maintenance procedures have been
accomplished that would allow exceedance of 270 KIAS. Once the
applicable maintenance procedures have been accomplished, exceeding
270 KIAS is permissible only until the next application of Type II or Type
IV deicing / anti-icing fluids.”
Note:
· Aircraft is restricted to a maximum of 270 KIAS after Type II or Type
IV fluid application. No MACH restriction.
· Flight Plan Release (amended if required) displays 270-knot
restriction.
· Restriction remains in effect for all flights until elevator tab surfaces
are cleaned of Type II or Type IV fluids.
· It has been determined that Type I fluid does not affect the flight
controls of the aircraft. If only Type I fluid is used for deicing / antiicing,
the speed restriction is not applicable.
Caution: Flight Crews will evaluate the need to land at the nearest
suitable airport if in-flight vibrations (ELEVATOR TAB LIMIT
CYCLE OSCILLATION) occur as a result of de-icing.
Stabilizer Trim........................................................ RESET FOR TAKEOFF
Engine & APU Bleed Air Switches.......................................AS REQUIRED
Wait at least 1 minute after completion of de-icing before turning any bleed
air switches on.
Pack Switches..........................................................................AS REQUIRED
If engines are running, pack switches should be Auto.
Flaps .........................................................................................AS REQUIRED
Note: Accomplish all normal checklists.
Note: When freezing precipitation conditions exist and the aircraft is not
airborne within 5 minutes of the beginning of the final application of
anti-icing fluid, a pre-takeoff contamination check is required. If deicing
is required, reaccomplish this checklist.
737
Flight Manual Continental
Sec. 3 Page 335
Rev. 11/15/02 #41
Note: If moderate icing conditions are present, takeoff roll must be
preceded by a static run-up to 70% N1 and stable engine operation
observed prior to brake release. If the aircraft starts to slide on ice
or snow during engine power check, release brakes and begin
takeoff roll. Continue engine check during early part of takeoff
roll.
* * * *
Before Takeoff
Prior to takeoff, recheck flight controls and trim for freedom of movement. Use
caution when taxiing onto the runway for takeoff. The approach end of the
runway may be more slippery than other areas due to melting and refreezing of
snow or ice following previous takeoffs. In addition, painted surfaces and
normal accumulation of fuel, oil, and rubber are made more slippery when
coated with moisture (i.e., water or slush).
Takeoff
Check latest field conditions prior to takeoff. Slush and snow conditions change
rapidly. A runway is contaminated when more than 25% of the required field
length, within the width being used, is covered with ¼ inch or more of slush or
wet snow, or 2 inches or greater of dry snow.
· Slush is snow saturated with water that splatters when firmly stepped on.
· Wet snow is compactable and will stick together as in a snowball.
· Dry snow is light powdery snow that can be blown about freely. Snow not
considered dry will be considered wet.
· Icy runway is a runway covered with cold ice or wet melting ice.
Temperatures rising above 0°C, initial pavement temperatures above 0°C,
or solar radiation can produce wet melting ice. Melting ice or hard packed
snow with a melting or water-covered surface may have poor to nil braking
action capability.
A reduced thrust takeoff is not permitted when the runway is contaminated by
water, ice, slush, or snow.
On contaminated runways use higher takeoff flap settings (as permitted by
　
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