Page 2-32
Pilot’s Operating Manual
Revision A2: Nov, 2004
Sub-section 2
GROUND SERVICING
Hawker 800XP Pro Line 21
Section VI - GROUND OPERATIONS
Preparation for Gravity Refueling Ventral Tank (continued)
II. Airplanes prior to airplane Serial No. 258670 which do not have Raytheon Aircraft Company Service
Bulletin SB 24-3641 incorporated and gravity refueling ventral tank with the airplane batteries only:
(1) Calculate the fuel load required.
CAUTION: INVESTIGATE ANY CONTAMINATION, OTHER THAN WATER, OF THE FOLLOWING
DRAINED SAMPLE.
(2) Drain all water from the ventral tank using the water drain (Figures 6 & 8).
(3) Comply with local refueling safety precautions.
(4) Energize the 28 VDC busbars from the airplane batteries.
(5) Switch off all non-essential loads.
NOTE: Due to drain on the airplane batteries, do not prolong refueling.
(a) On either CDU, push and release the IDX button.
(b) On the CDU, push and release R-LSK2.
The Engine/Fuel data page will be displayed on the CDU.
(6) If the wings are to be only partially filled, check the wing FUEL contents displayed on
the CDU and make sure the indication shows the correct current fuel state.
(7) Refer forward to Gravity Refuel Ventral Tank Procedure and continue with steps
1 thru 16:
III. All airplanes gravity refuel ventral tank when external power or the APU is available:
(1) Calculate the fuel quantity to be off-loaded.
CAUTION: INVESTIGATE ANY CONTAMINATION, OTHER THAN WATER, OF THE FOLLOWING
DRAINED SAMPLE.
(2) Drain all water from the ventral tank using the water drain (Figures 6 & 8).
(3) Energize the 28 VDC busbars.
(a) On either CDU, push and release the IDX button.
(b) On the CDU, push and release the R-LSK2.
The Engine/Fuel data page will be displayed on the CDU.
(4) Comply with local refueling safety precautions.
(5) Refer forward to Gravity Refuel Ventral Tank Procedure and continue with steps
1 thru 16:
