DG Flugzeugbau DG-800S, Flight Manual

Page 1: ...y Serial No _____________________ Registration No _____________________ Date of Issue April 1997 Pages as indicated by App are approved by Signature _____________________ Authority ___________________...

Page 2: ...but not running the rate of sink increases remarkably This means that with a motorglider you have to decide earlier for an outlanding than with a pure sailplane Selflaunch only if you are sure that w...

Page 3: ...the page Rev No Affected Pages section Description Issue Date LBA Approval Date Inserted Date Signature 1 0 5 9 1 9 3 TN 384 5 Winglets at the 18 m wingtips June 98 22 7 1998 2 0 4 7 5 TN 384 6 Parkin...

Page 4: ...April 1997 0 1 0 2 0 3 see record of revisions 0 4 0 5 0 6 April 1997 1 1 1 1 2 1 3 1 4 1 5 1 6 2 App 2 1 April 1997 2 2 2 3 2 4 2 5 Nov 01 2 6 2 7 2 8 2 9 2 10 3 3 1 April 1997 3 2 3 3 3 4 4 4 1 Apri...

Page 5: ...replaced 4 App 4 12 April 1997 4 13 4 14 4 15 Nov 01 4 16 5 5 1 April 1997 5 2 5 3 Nov 01 5 4 App 5 5 5 6 5 7 5 8 6 6 1 April 1997 6 2 6 3 6 4 6 5 6 6 April 1997 6 7 6 8 6 9 Nov 01 6 10 7 7 1 April 1...

Page 6: ...DG 800S 0 2 List of effective pages cont Section page issued replaced replaced 8 8 1 April 1997 8 2 8 3 8 4 8 5 9 9 1 January 2003 9 2 9 3 June 1998 9 4 January 2003 9 5 May 2015 9 6 Issued May 2015 T...

Page 7: ...ncy procedures an approved section 3 Normal procedures an approved section 4 Performance a partly approved section 5 Mass weight and balance a non approved section 6 Sailplane and systems description...

Page 8: ...Flight manual DG 800S Section 1 1 General 1 1 Introduction 1 2 Certification basis 1 3 Warnings cautions and notes 1 4 Descriptive data 1 5 Three view drawing Issued April 1997 1 1...

Page 9: ...rnished to the pilot by JAR Part 22 It also contains supplemental data supplied by the motorglider manufacturer 1 2 Certification basis This type of sailplane has been approved by the Luftfahrt Bundes...

Page 10: ...of the corresponding procedure leads to an immediate or important degradation of the flight safety Caution means that the non observation of the corresponding procedure leads to a minor or to a more o...

Page 11: ...for all controls Comfortable seating and modern cockpit design safety cockpit Large canopy for very good in flight vision Draught free canopy demist and adjustable direct ventilation Sealed airbrake a...

Page 12: ...elage height m ft 0 81 2 66 Horizontal tail span m ft 2 52 8 27 Waterballast wings kg U S gal 120 31 7 or 174 46 0 Waterballast fin tank kg U S gal max 6 2 1 64 Empty weight without parting appr kg lb...

Page 13: ...Flight manual DG 800S 1 5 3 view drawing Issued April 1997 1 6...

Page 14: ...uvres 2 7 Manoeuvring load factors 2 8 Flight crew 2 9 Kinds of operation 2 10 Minimum equipment 2 11 Aerotow and winch and autotow launching 2 11 1 Weak links 2 11 2 Towing cable 2 11 3 Max towing sp...

Page 15: ...es operating limitations instrument markings and basic placards necessary for safe operation of the sailplane DG 800S standard systems and standard equipment The limitations included in this section h...

Page 16: ...t control movement above this speed because under certain condition the sailplane may be overstressed by full control movement VFE Maximum flap extended speed Do not exceed these speeds with the given...

Page 17: ...is maximum speed permissible with flaps extended positive 13 10 5 Green Arc 97 190 Normal Operating Range 52 103 Lower limit is maximum weight 1 1 VS1 at most forward c g with flaps neutral Upper limi...

Page 18: ...Heavy pieces of baggage must be secured to the baggage compartment floor The max mass secured on one half of the floor left and right of fuselage centre line should not exceed 7 5 kg 16 5 lbs Maximum...

Page 19: ...in load in the seat see placard in cockpit and weighing report page 6 5 With these loads the C G range given under 2 5 will be kept in the limits if the empty weight C G is in its limits see loading c...

Page 20: ...165 kts Speed range markings see sect 2 3 Altimeter Altimeter with fine range pointer 1 turn max 1000 m 3000 ft Magnetic compass compensated in the aircraft only required in Canada Four piece symmetr...

Page 21: ...ook is mandatory for Australia 2 12 Crosswinds The maximum crosswind component according to the airworthiness requirements for take off and landing is 15 km h 8 kts 2 13 Tyre Pressure Main wheel 3 3 b...

Page 22: ...the fin tank if there is any risk of icing The flight conditions must comply with the following table min ground C 13 5 17 24 31 38 temperature F 56 63 75 88 100 max flight m 1500 2000 3000 4000 5000...

Page 23: ...artment minimum kg lbs battery in fin Pre flight inspection 1 Lead ballast for under weight pilot 2 Fin ballast tank emptied or correct amount filled in 3 Battery in the fin 4 Parachute worn properly...

Page 24: ...py jettison 3 3 Bailing out 3 4 Stall recovery 3 5 Spin recovery 3 6 Spiral dive recovery 3 7 Recovery from unintentional cloud flying 3 8 Flight with asymmetric waterballast 3 9 Emergency wheel up la...

Page 25: ...oming air If necessary you have to push the canopy upwards with both hands on the Plexiglas 3 3 Bailing out First jettison the canopy then unlock the safety harness and bail out The low walls of the c...

Page 26: ...e dive Spiral dive occurs only when spinning more than 3 turns with medium C G positions see sect 4 5 8 To prevent spiral dives intentional spinning should only be executed at aft C G positions Recove...

Page 27: ...ouching the ground too early 3 9 Emergency wheel up landing It is not recommended to execute a wheel up emergency landing as the energy absorption capability of the fuselage is much smaller than that...

Page 28: ...k 4 2 4 Derigging 4 2 5 Rigging and derigging the wing tip extensions 4 3 Daily Inspection 4 4 Pre flight Inspection 4 5 Normal procedures and recommended speeds 4 5 1 Tow launch 4 5 2 Free flight 4 5...

Page 29: ...p to the fuselage wall while pulling out the white securing knob then release the knob back to its locked position 4 Rigging of the stabilizer Set the trim nose down Set the stabilizer on top of the v...

Page 30: ...canisters Warning Fill the hose from your water containers but never from a mains pressure water supply Filling the wing tanks with excessive pressure more than 0 2 bar 3 psi will definitely burst the...

Page 31: ...he dump valve will be closed by a spring Then remove the filling hose with the hose connector 4 2 4 Derigging Derigging follows the reverse of rigging Water ballast must be dumped before derigging The...

Page 32: ...trib for wear and corrosion d check the strings which hold the waterbags for sufficient tension see maintenance manual sect 4 1 e Check the watertank compartment for water leaks 2 Fuselage at wing con...

Page 33: ...control check e check the tow release system for wear and function incl cable release check f check for foreign objects g check the instrumentation and radio for wear and function h check if the corr...

Page 34: ...der cables for wear free play and correct securing c check the fin tank for correct amount of water filled in see sect 4 2 3 In case of doubt dump the fin tank b check the bulkhead and fin trailing ed...

Page 35: ...ry in the fin Loading chart regarded 4 Parachute worn properly 5 Safety harness buckled 6 Seat back and pedals adjusted 7 All controls and knobs in reach 8 Altimeter 9 Dive brakes cycled and locked 10...

Page 36: ...nly this release should be used for aerotow Adjust the trim for aerotow to fully nose down position c General Set the wing flaps to 13 Hold the stick in the forward position Don t try to lift off befo...

Page 37: ...m 200 ft gradually pull back on the stick so that the glider will not pick up excessive speed After reaching release altitude pull the tow release knob The recommended winch launch airspeed is 110 120...

Page 38: ...ithout much loss of height Rain does not influence this behaviour noticeably The loss of height is appr 30m 100ft if recovered immediately Stall airspeeds see sect 5 2 2 Caution Flights in conditions...

Page 39: ...the aircraft may drop during flare out When flaring out keep the airbrake setting you were using opening them further may drop the sailplane You can land the DG 800S on soft fields with the landing g...

Page 40: ...ng It is prohibited to use the fin tank in icing conditions see sect 2 14 If there is the risk of freezing dump all water before you reach freezing altitude or descend to lower altitudes If you suspec...

Page 41: ...r altitudes the true airspeed is greater than the indicated airspeed The max speed VNE is reduced See the following table Altitude in meters 0 2000 3000 4000 5000 6000 VNE IAS km h 270 256 243 230 218...

Page 42: ...S will recover after 1 2 turns depending on C G position As the nose down pitch and the airspeed will be high with this C G position spinning should not be executed At medium C G position there is a t...

Page 43: ...tion as indicated in section 2 2 When reaching the vertical dive flare out immediately to minimize speed increase and g load Caution A classical stall turn with almost no airspeed at the highest point...

Page 44: ...oduction 5 2 Approved Data 5 2 1 Airspeed indicator system calibration 5 2 2 Stall speeds 5 3 Additional Information 5 3 1 Demonstrated crosswind performance 5 3 2 Gliding performance 5 3 3 Flight Pol...

Page 45: ...r airspeed calibration stall speeds and take off performance and non approved additional information The data in the charts has been computed from actual flight tests with the sailplane in good and cl...

Page 46: ...2 1 Airspeed indicator system calibration IAS indicated airspeed CAS calibrated airspeed Caution The airspeed indicator is to be connected to the front static ports and the pitot probe in the fuselage...

Page 47: ...7 70 73 77 km h 33 35 36 38 39 42 kts 0 67 70 73 76 79 84 km h 36 38 39 41 43 46 kts 9 71 74 77 80 84 88 km h 38 40 42 43 45 48 kts Airbrakes extended Flap weight setting 340 370 400 440 480 525 kg 75...

Page 48: ...h 38 40 41 43 45 47 kts 9 74 78 81 85 88 92 km h 40 42 44 46 48 50 kts Airbrakes extended Flap weight setting 340 370 400 440 480 525 kg 750 816 882 970 1058 1157 lbs L 71 74 77 80 84 88 km h 38 40 4...

Page 49: ...rate m s 47 51 54 57 ft min 93 100 106 112 at V km h 72 77 83 87 kts 39 42 45 47 best glide ratio 49 8 50 50 2 50 7 at V km h 94 102 109 114 kts 51 55 59 62 A variation in speed by 10 km h 5 kts from...

Page 50: ...Flight manual DG 800S 5 3 3 Flight polar Issued April 1997 5 7...

Page 51: ...Speeds in kts wing span 18 m mass 750 816 880 970 1060 1157 lbs 13 up to 38 39 41 43 45 47 10 38 43 39 45 41 46 43 49 45 51 47 53 5 43 48 45 50 46 51 49 54 51 56 53 59 0 48 64 50 67 51 70 54 73 56 76...

Page 52: ...ss weight and balance 6 1 Introduction 6 2 Weighing procedures 6 3 Weighing record 6 4 Basic empty mass and C G 6 5 Mass of all non lifting parts 6 6 Max mass 6 7 Useful loads 6 8 Loading chart 6 9 C...

Page 53: ...cockpit load has changed this data is to be entered in the cockpit placard as well When altering the equipment the new data can be gathered by a C G calculation see sect 6 8 The actual equipment list...

Page 54: ...max mass of all non lifting parts see 6 5 Wwings actual mass of the wings Maximum landing mass 525 kg 1157 lbs 6 7 Useful loads Max load without waterballast max weight without waterballast empty wei...

Page 55: ...e allowed amount of waterballast is dependent on the empty weight and of the load in the fuselage and can be determined from the diagram on page 6 7 ballast chart It is only allowed to fly with symmet...

Page 56: ...m max load 15 m with W B 18 m min cockpit load with battery in bag gage compartment min cockpit load with battery 4 3 kg in the fin max cockpit load 110 Inspector signature stamp Note If there is a p...

Page 57: ...Flight manual DG 800S for 6 4 Empty weight C G limits 25 4 mm 1 in 1 kg 2 2046 lbs Issued April 1997 6 6...

Page 58: ...G 800S DG 800S ballast chart for 6 8 To determine the max allowable waterballast in the wing tanks This diagram is valid for the max T O W of 525 kg 1157 lbs 1 kg 2 2046 lbs 3 785 kg l 1 US gal Issued...

Page 59: ...ntank was determined Curve 2 of the above diagram gives a fin ballast of 4 6 kg The crossing point of the horizontal line with curve 1 gives the corresponding amount in the wing tanks of 129 4 kg Note...

Page 60: ...light C G 0 210 m 0 350 m should not be exceeded The most important C G positions behind datum Pilot The C G position is dependent on the pilots shape mass thickness of the parachute and the seat back...

Page 61: ...86 0 541 85 0 587 0 543 80 0 588 0 546 75 0 589 0 548 70 0 590 0 550 65 0 591 0 552 60 0 592 0 554 55 0 593 0 556 1 kg 2 2046 lbs 0 305 m 1 ft Further C G positions Baggage or battery in baggage compa...

Page 62: ...t controls 7 5 Airbrake system 7 6 Landing gear system 7 7 Tow hooks 7 8 Seats and safety harness 7 9 Baggage compartment 7 10 Water ballast system 7 11 Pitot and static system 7 12 Canopy emergency r...

Page 63: ...7 25 m and with winglets for flying with 15 m span Construction Wings and flaperons CFRP foam sandwich skin CFRP Rovings Elevator GFRP skin Horizontal tailplane and rudder GFRP foam sandwich skin Fus...

Page 64: ...Flight manual DG 800S 7 3 Cockpit cockpit controls and placards Issued April 1997 7 3...

Page 65: ...6 Instrument Panel After removing the side screws at the base 2 x M 6 and after removing the screws attaching the cover to the panel 4 x M 4 the cover can be removed towards the front 7 Compass instal...

Page 66: ...mechanism for the canopy emergency release towards the front locked 15 16 17 please refer to section 7 12 too 18 Wing water ballast dump handles silver upper handle right hand water bag lower handle...

Page 67: ...release lever operated It is possible to fly the DG 800S with the trim released A rubber cord connects the wingflap control with the trim system see maintenance manual sect 1 2 5 and applies forward...

Page 68: ...ucted as an integral inner shell The backrest is adjustable by means of an aircushion Adjustment see sect 7 3 item 22 The backrest can be screwed to the seat shell at 3 different positions dependent o...

Page 69: ...pring If you overfill the tank the excess water drains via a hole in the rear fin shear web c control handles The handle for the fintank wide plate is above the wingtank handles so that the wingtanks...

Page 70: ...e nose the other at the rear The emergency release locking mechanism should be in the open position Place the canopy on the hinge and press down Relocate the locking mechanism Push the hook forwards a...

Page 71: ...ing 7 13 2 and 7 13 3 The installation has to be accomplished by the aircraft manufacturer or by an approved service station and to be inspected and to be entered in the aircraft log book by a license...

Page 72: ...ion 8 8 Sailplane handling care and maintenance 8 1 Introduction 8 2 Inspection periods and maintenance 8 3 Alterations or repairs 8 4 Parking 8 5 Trailering 8 6 Towing on the ground 8 7 Cleaning and...

Page 73: ...ar the control surface displacements adjustments and general condition must be checked See the maintenance manual 8 3 Alterations or repairs It is essential that the responsible airworthiness authorit...

Page 74: ...s Cradled as desired Fuselage 1 A felt lined fiberglass nose cap which does not extend over the canopy secured to floor 2 Fuselage dolly in front of the tow hook or a support attached to the lift pins...

Page 75: ...n general the wax coat is very resistant As soon as the wax coat is damaged or worn a new coat has to be applied see maintenance manual sect 3 1 If you store your aircraft often outside this may be ne...

Page 76: ...iglas canopy Use clear water and a chamois for cleaning Stubborn dirt and small scratches can be removed by use of the Schwabbel procedure see maintenance manual sect 3 1 Metal parts The pins and bush...

Page 77: ...Flight manual DG 800S Issued January 2003 TN 384 9 9 1 Section 9 9 Supplements 9 1 Introduction 9 2 List of inserted supplements 9 3 Winglets at the 18m wingtips 9 4 Emergency bail out aid NOAH...

Page 78: ...d efficiently operate the sailplane when equipped with various optional systems and equipment not provided with the standard sailplane 9 2 List of inserted supplements Date of insertion Document No Ti...

Page 79: ...according to the technical note TN 873 9 The height of the winglets is 0 50m 19 7 in Section 4 Assembly and disassembly of the winglets To assemble the winglets pull off the wingtips and slot in the...

Page 80: ...first The system is secured by a metal plate at the actuation unit which is blocked by a GFRP block at the canopy frame When the NOAH system is activated the seat harness buckle will be opened prior...

Page 81: ...on t operate the NOAH handle on the ground with open canopy as you may release NOAH and the pressurised gas cylinder must be filled again Section 4 a Pre flight inspection Check the airbag the high pr...

Page 82: ...control stick it is marked black and yellow A sticker is wrapped around the actuation handle and the guiding tube for the actuation cable The sticker serves as an additional means to guard against ina...