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REVISED FUELQUANTITY D ATA
LMOD 182
1973 AIRCRAFT (SERIAL 18262251 AND ON)
1974 AIRCRAFT (ALL
SERIALS)
SKYL ANE
1975 AIRCRAFT (ALL
SERIALS)
Due
to
changes in fuel tank manufacturing technique,
the
fuel systems in
the
above noted airplanes
have been found to contain less than the capacity published in the Owner's Manuals. Data in these
manuals indicates total usable capacities
of
60 gallons for standard tanks and 79 gallons for long range
tanks; the usable capacity per tank is shown
to
be
31
gallons and 39 gallons respectivelY·
All fuel capacity references in
Owner's
Manuals for these airplanes should be marked to reflect the
capacities in the chart below.
TOTAL
USABLE
TOTAL
USABLE
BOTH TANKS
BOTH
TANKS
PER
TANK
PER TANK
CAPACITY
(STANDARD
TANKS)
61
Gal.
56 Gal.
30.5 Gal.
29 Gal.
CAPACITY
(LONG
RANGE
TANKS)
80 Gal.
75 Gal.
40 Gal.
37 Gal.
When figuring weight and balance data, consideration should be
given
to the reduction in weight
and change in moment/1000 which results from a reduced fuel capacity.
For quick re-computation of cruise performance data, use
the
information in
the
Cruise Performance
charts provided in
the Owner's
Manuals by multiplying
the
ENOR.
HOURS
and RANGE MILES figures
by 0.93 (for standard tank values) or 0.94 (for long range tank values);
this
will provide conservative
endurance and range based on
the
reduced fuel capacities.
Pages in
the Owner's
Manuals which are affected by the change in fuel capacity are listed in
the
chart below.
MANUAL
PAGES AFFECTED
1973
OWNER'S
Inside 2-1
2-2
2-14 4-6
4-7
5-8
64
6-5
6-6
6-7
6-8
7-1 Inside
MANUAL
Cover
Cover
OWNER'S
Inside 2-1
22
2-3
2-14
4-6
4-7
6-4
6-5
6-6
6-7
6-8 Inside
_
MANUAL
Cover
Cover
1975
OWNER'S
Inside
2-1
22
2-3
4-6
47
6-4
6-5
6-6
6-7
6-8 Inside
-
-
MANUAL
Cover
Cover
THIS
ADHESIVE
BACKED STICKER
IS
TO BE ATTACHED
TO ANY
BLANK PAGE IN YOUR MANUAL
FOR FUTURE
REFERENCE.
REFERENCE
SERVICE
LETTER
SE 75
-
7
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