Flight Manual LS4-a Operating Limittions
Issued: February 2019 TN 4049
Page 2-3
Weight limits:
Max. flight weight (with water ballast): 525 kg <1157 lbs.>
Max. flight weight without water ballast: W
max
= W
nlp
+ W
wings
Max. weight of non-lifting parts W
nlp
: 230 kg <507 lbs.>
W
nlp
with TN 4046/4047 executed (water bags removed or
water bags marked V112) : 250 <551 lbs.>
The term ”non-lifting parts” includes the following: fuselage inclusive
permanently fitted equipment, canopy and main pins plus horizontal
tail plus max. cockpit load.
Note: If required the max. mass of non-lifting parts may be increased according
to maintenance manual LS4 issued May 2011 section 2.2.1 item 2 and tables in
section 2.4. This is not valid if TN4049 neo-Winglets has been performed.
Note: TN 4046 (manual revisions) and TN 4047 (increase of mass of non-lifting
parts) don’t apply for LS4-b only but also for LS4 and LS4-a (TNLS-S-01).
Caution: With TN4045 (winglets) executed the max. mass and the max. mass of
the non-lifting parts are reduced by 10 kg (22 lbs.). The max. amount of water
ballast is limited to 100 kg (220 lbs.)
Maximum permissible Cockpit Load (pilot + parachute): 110 kg
<242 lbs>
Caution: The maximum permissible Cockpit Load may be reduced by the max.
weight of non-lifting parts see entry on page9-1.
Min. Cockpit Load (pilot + parachute):
Without trim weights in fuselage nose: 70 kg <154 lbs.>
With 3 trim weights in fuselage nose: 55 kg <121 lbs,>
Note: (1 trim weight equals 5 kg <11 lbs. pilot mass>)
Note: When being used in a club, Minimum Cockpit Load should be 70 kg (154
lbs). If used otherwise the min. Cockpit Load may be increased according to
maintenance manual LS4 issued May 2011 section 2.2.1.
Water ballast in the wings: max. 170 kg <375 lbs.>
Max. baggage weight: 5 kg <11 lbs.>
Max. Instrument weight installed in upper portion of instrument panel:
4 kg <8.8 lbs.>
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