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Issued February 2019 

TN4049 

9-11

Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited 

Flight manual LS4-a, LS4-USA edition, LS4-a USA edition 

Section 9 
LS4 no change 

Page 9-2 Water ballast LS4-

a

 

Max. mass 505 kg/1113lbs. with neo-Winglets installed, max. amount of water ballast 
in the wing tanks 112 kg / 247 lbs,  
Max. ballast in the wing tanks, no tail tank filled, with neo-Winglets installed 
Cockpit load  
pilot + 
par 
equipment 
kg/lbs. 

Empty mass kg/lbs. 
240/ 
529 

254/ 
560 

250/ 
551 

255/ 
562 

260/ 
573 

265/ 
584 

270/ 
596 

275/ 
606 

280/ 
617 

285/ 
628 

70/154 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

75/165 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

80/176 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

85/187 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

90/198 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

95/209 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

100/220 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

105/231 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

110/243 

112 

112 

112 

112 

112 

112 

112 

112 

112 

110 

112 kg= 247 lbs., 110 kg= 243 lbs. 
Max. ballast in the wing tanks, with tail tank filled, with neo-Winglets installed 
Cockpit load  
pilot + 
par 
equipment 
kg/lbs. 

Empty mass kg 
240/ 
529 

254/ 
560 

250/ 
551 

255/ 
562 

260/ 
573 

265/ 
584 

270/ 
596 

275/ 
606 

280/ 
617 

285/ 
628 

70/154 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

75/165 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

80/176 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

85/187 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

90/198 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

95/209 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

100/220 

112 

112 

112 

112 

112 

112 

112 

112 

112 

112 

105/231 

112 

112 

112 

112 

112 

112 

112 

112 

112 

111 

110/243 

112 

112 

112 

112 

112 

112 

112 

112 

111 

106 

112 kg= 247 lbs., 111 kg= 245 lbs., 106 kg= 234 lbs. 

Summary of Contents for LS 4-a

Page 1: ...G CLYE 4548 Deeside Gliding Club Aberdeenshire Ltd Aboyne Airfield ABOYNE AB34 5LB ...

Page 2: ...by a black vertical line in the right hand margin and the revision No and the date will be shown on the bottom of the page Rev No Pages affected Date of issue Approval Date of approval Date of insertion Signature 1 Cover 1 1 1 2 2 4 2 5 Jan 5 1984 2 1 1 1 2 4 6 4 10 Oct 1999 LBA 4 11 99 3 1 1 1 2 3 1 4 2 TN4032 Rev 1 Oct 2010 EASA 3 11 2010 4 1 1 1 2 1 4 2 3 remove pages 6 3 6 5 TN LS S 01 May 201...

Page 3: ...v 15 1983 Febr 2019 TN4049 8 1 Nov 15 1983 2 4 Jan 5 1984 8 2 Nov 15 1983 2 5 Jan 5 1984 8 3 Nov 15 1983 2 6 Nov 15 1983 8 4 Nov 15 1983 2 7 Nov 15 1983 8 5 Nov 15 1983 8 6 Nov 15 1983 3 1 Nov 15 1983 May 2011 4032 Rev 2 3 2 Nov 15 1983 9 0 Febr 2019 4049 9 1 Nov 15 1983 4 1 Nov 15 1983 9 2 Nov 15 1983 4 2 Nov 15 1983 May 2011 4032 Rev 2 9 3 Nov 15 1983 4 3 Nov 15 1983 9 4 Nov 15 1983 4 4 Nov 15 1...

Page 4: ......

Page 5: ...el brake 4 6 Trim System 4 6 Baggage Compartment 4 6 Water Ballast 4 7 Winch Launch 4 8 Aero tow 4 8 Free Flight 4 9 Sideslip 4 10 Landing 4 10 High Altitude Flights 4 11 Airspeed system calibration 4 12 End of JAR 22 required and approved part 5 Performance Flightpolar 5 1 6 Weight and balance Weighing procedure 6 1 Calculation of loading limits 6 2 Empty weight C G Limits 6 3 6 5 pages removed T...

Page 6: ...Periods 8 1 Preventive Maintenance 8 2 Alterations and Repairs 8 2 Ground Handling Assembly Procedure 8 2 Disassembly Procedure 8 3 Supporting area for Road Transport 8 3 Supporting Area to lift whole Sailplane 8 4 Long Term Storage Preparation 8 4 Return to Service 8 4 Cleaning and Care 8 5 Pressure Ports 8 6 Drain Orifices 8 6 9 Supplements Note Content of section 9 on page 9 0 ...

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Page 11: ... 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 m...

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Page 16: ...py hinge lifts the canopy at the front end Only in case the canopy doesn t separate by itself from the fuselage you have to push the canopy upwards with both hands on the Plexiglas The latch on the rear of the canopy is held back by a spring in the fuselage This creates a point of rotation to ensure a safe separation of the canopy Other Emergencies Stalls Warning Slight tail shudder prior to stall...

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Page 19: ...uly deform the spring of the LS Latch Röger hook located at the fuselage Note b and Caution apply only if TN 4032 LS Latch Röger Hook has been completed Reinstalling the canopy 2 persons are needed a Pull up the canopy hinge to the open position b One person at the front end holds with one hand the emergency release lock in open position rotate clockwise and places the canopy with the other hand o...

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Page 45: ...3 9 3 Installation of Equipmemt in Baggage Compartment 9 3 9 3 Master Equipment List 9 4 9 6 9 3 Colour Code of Instrument Tubing 9 7 9 4 Neo Winglets TN4049 9 8 9 12 9 1 Introduction This section contains the appropriate supplements necessary to safely and efficiently operate the sailplane when equipped with various optional systems and equipment not provided with the standard sailplane 9 2 List ...

Page 46: ...257 3kg 106 5kg 70kg None None 2 parcel shelf 10 2 20 Mark Recht I A 152 ...

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Page 53: ...inglets the data of the other LS4 LS4 a flight manual sections are applicable Section 1 General Subsection amended Page 1 6 Descriptive data Technical details Option TN4049 Removable wing tips with neo Winglets Technical data units LS4 a max mass with neo Winglets installed kg 505 max wing loading with neo Winglets installed kg m 48 Note max mass of LS4 unchanged Note neo Winglets raise the empty ...

Page 54: ...s of non lifting parts according to maintenance manual LS4 issued May 2011 section 2 2 1 item 2 and tables in section 2 4 is not applicable Water ballast in the wings TN4046 and 4047 must be executed for operation with neo winglets Thus the max amount of water in the ballast bags is reduced to 56 kg per bag in case the bag will be made smaller or 50 kg per bag if new bags 4F5 81 will be installed ...

Page 55: ...ount additional masses e g cameras on the neo Winglets Rigging and derigging the wingtips Option winglets 1 Remove the wingtips without winglets if installed To accomplish this screw tool W70 into the locking pin and pull out the pin 2 Slide the wingtip with winglet onto the tubular spar so far that the pins at the root rib engage into the bushes then push in firmly Push in the locking pin so far ...

Page 56: ...112 112 112 112 112 112 112 112 95 209 112 112 112 112 112 112 112 112 112 112 100 220 112 112 112 112 112 112 112 112 112 112 105 231 112 112 112 112 112 112 112 112 112 112 110 243 112 112 112 112 112 112 112 112 112 110 112 kg 247 lbs 110 kg 243 lbs Max ballast in the wing tanks with tail tank filled with neo Winglets installed Cockpit load pilot parachute equipment kg lbs Empty mass kg 240 529...

Page 57: ...ition Issued February 2019 TN4049 9 12 Copyright DG Flugzeugbau GmbH any copy or publishing prohibited Section 5 Performance Subsection amended Page 5 1 Flight polar Option neo Winglets neo Winglets at the wing tips increase the best L D by 2 points ...

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