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December 1, 1969, through Amendment 36-4.
PA-28-181: CAR 3 effective May 15, 1956, through Amendment 3-2,
Amendment 3-4 and paragraphs 3.304 and 3.705 of Amendment 3-7.
Also, FAR 23.207, 23.221 and 23.959 of Amendment 23-7.
PA-28R-201: CAR 3 effective May 15, 1956, through Amendment 3-2; paragraphs
3.304 and 3.705 of Amendment 3-7; paragraphs 23.221, 23.959, 23.965,
23.967(e)(2), 23.1091 and 23.1093 of FAR 23 Amendment 23-16;
FAR 36 effective December 1, 1969, through Amendment 36-4 (no
acoustical change).
PA-28R-201T: CAR 3 effective May 15, 1956, through Amendment 3-2
including paragraphs 3.304 and 3.705 of Amendment 3-7; FAR 23.221, 23.901,
23.909, 23.959, 23.965, 23.967(e)(2), 23.1041, 23.1043, 23.1047, 23.1143,
23.1305, 23.1441 and 23.1527 of Amendment 23-16; FAR 36 effective
December 1, 1969, through Amendment 36-4.
PA-28-236: CAR 3 effective May 15, 1956, through Amendment 3-2, and
paragraphs 3.304 and 3.705 of Amendment 3-7 effective May 3, 1962. FAR
23.221, 23.959, 23.1091, and 23.1093 of FAR Part 23, Amendment 23-17
effective February 1, 1977; FAR 23.1581(b)(2) of FAR 23 Amendment 23-21
effective March 1, 1978; and applicable portions of FAR 36, as amended up to
Amendment 36-9 effective April 3, 1978.
March 3, 1981 – 39– 2A13
Revision 38
2–11
If this information is given, there may be a chart on the TCDS
similar to the one in Figure 2-20. This chart helps visualize the
CG range. Draw a line horizontally from the aircraft weight and
a line vertically from the fuselage station on which the CG is
located. If these lines cross inside the enclosed area, the CG is
within the allowable range for the weight.
Note that there are two enclosed areas; the larger is the CG
range when operating the Normal category only, and the
smaller range is for operation in both the Normal and Utility
categories. When operating with the weight and CG limitations
shown for the Utility category, the aircraft is approved
for limited acrobatics such as spins, lazy eights, chandelles,
and steep turns in which the bank angle exceeds 60°. When
operating outside of the smaller enclosure but within the
larger, the aircraft is restricted from these maneuvers.
Figure 2-20. CG range chart.
If the aircraft has retractable landing gear, a note may be
added, for example:
“Moment due to retracting of landing gear (+819 lb-in)”
Empty Weight CG Range
When all of the seats and baggage compartments are located
close together, it is not possible, as long as the EWCG is
located within the EWCG range, to legally load the aircraft
so that its operational CG falls outside this allowable range.
If the seats and baggage areas extend over a wide range, the
EWCG range will be listed as “None.”
Maximum Weight
The maximum allowable takeoff and landing weight and the
maximum allowable ramp weight are given. This basic
information may be altered by a note such as the following:
“NOTE 5. A landing weight of 6,435 lbs must be observed if
10 PR tires are installed on aircraft not equipped with 60-
810012-15 (LH) or 60-810012-16 (RH) shock struts.”
Number of Seats
The number of seats and their arms are given in such terms as:
“4 (2 at +141, 2 at +173)”
Maximum Baggage (Structural Limit)
This is given as:
“500 lbs at +75 (nose compartment)
655 lbs at +212 (aft area of cabin)”
Fuel Capacity
This important information is given in such terms as:
“142 gal (+138) comprising two interconnected cells in each
wing”
—or,
“204 gal (+139) comprising three cells in each wing and one
cell in each nacelle (four cells interconnected) See NOTE 1
for data on fuel system.”
“NOTE 1” will read similar to this example:
“NOTE 1. Current weight and balance data, including list of
equipment included in standard empty weight and loading
instructions when necessary, must be provided for each
aircraft at the time of original certification.
The standard empty weight and corresponding center of
gravity locations must include unusable fuel of 24 lbs at
(+135).”
Normal category: A category of
aircraft certificated under 14 CFR,
Part 23 and CAR, Part 3 that allows
the maximum weight and CG range
while restricting the maneuvers that
are permitted.
Utility category: A category of
aircraft certificated under 14 CFR,
Part 23 and CAR, Part 3 that permits
limited acrobatic maneuvers but
restricts the weight and the
CG range.
2–12
Oil Capacity (Wet Sump)
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