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Document No.: G304C/AFM

Date of Issue: 12/01

8-0

Ltd.

SECTION 8

8. Sailplane handling, care and maintenance

8.1 Introduction

8.2 Sailplane inspection periods

8.3 Sailplane alterations or repairs

8.4 Ground handling / road transport

8.5 Cleaning and care

Содержание Glasflugel 304 C

Страница 1: ... HE E S SA AI IL LP PL LA AN NE E Č Čá ás sl la av vs sk ká á 1 12 26 6 P P O O B Bo ox x 1 11 12 2 2 28 84 4 0 01 1 K Ku ut tn ná á H Ho or ra a C CZ ZE EC CH H R RE EP PU UB BL LI IC C t te el l f fa ax x 4 42 20 0 3 32 27 7 5 51 13 34 44 41 1 HPH Ltd ...

Страница 2: ...dition of the Glasflügel 304 C Flight Manual has been translated with care and is accurate to best of our knowledge However in all official matters the original Czech text is the authoritative and definite document This sailplane is to be operated in compliance with information and limitations contained herein This Flight Manual must be located aboard the sailplane at all times Č Čá ás sl la av vs...

Страница 3: ... must be recorded in the following table and in case of approved Sections endorsed by the responsible airworthiness authority The new or amended text in the revised page will be indicated by a black vertical line in the left hand margin and the Revision No and the date will be shown on the bottom left hand of the page Rev No Affected Section Affected Pages Date of Issue Approval Date of approval D...

Страница 4: ...12 01 iii 12 01 iv 12 01 3 3 1 Appr 12 01 1 1 0 12 01 3 2 Appr 12 01 1 1 12 01 1 2 12 01 1 3 12 01 4 4 0 Appr 12 01 1 4 12 01 4 1 Appr 12 01 1 5 12 01 4 2 Appr 12 01 1 6 12 01 4 3 Appr 12 01 4 4 Appr 12 01 4 5 Appr 12 01 4 6 Appr 12 01 2 2 0 Appr 12 01 4 7 Appr 12 01 2 1 Appr 12 01 4 8 Appr 12 01 2 2 Appr 12 01 4 9 Appr 12 01 2 3 Appr 12 01 4 10 Appr 12 01 2 4 Appr 12 01 4 11 Appr 12 01 2 5 Appr 1...

Страница 5: ...ate of Issue 12 01 iii HP H Ltd Section Page Date of Issue Section Page Date of Issue 5 5 0 Appr 12 01 8 8 0 12 01 5 1 Appr 12 01 8 1 12 01 5 2 Appr 12 01 8 2 12 01 5 3 12 01 8 3 12 01 9 9 0 12 01 9 1 12 01 9 2 12 01 6 6 0 12 01 6 1 12 01 6 2 12 01 7 7 0 12 01 7 1 12 01 7 2 12 01 7 3 12 01 7 4 12 01 7 5 12 01 ...

Страница 6: ... 1 a non approved section Limitations 2 an approved section Emergency procedures 3 an approved section Normal procedures 4 an approved section Performance 5 a partly approved section Weight and balance equipment list 6 a non approved section Sailplane and systems description 7 a non approved section Sailplane handling care and maintenance 8 a non approved section Supplements 9 ...

Страница 7: ...f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 1 0 HP H Ltd 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 ...

Страница 8: ...F Fl li ig gh ht t M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 1 1 HP H Ltd ...

Страница 9: ...C sailplane This manual includes the material required to be furnished to the pilot by JAR 22 It also contains supplemental data supplied by the sailplane manufacturer 1 2 Certification basis This type of sailplane has been approved by Civil Aviation Authority of the Czech Republic in accordance with LSFM regulation issued by LBA on 23rd October 1975 and with Section F and G of JAR 22 28th October...

Страница 10: ...nd notes in the flight manual WARNING Means that the non observation 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 or less long term degradation of the flight safety NOTE Draws the attention of any special item not directly related to safety but w...

Страница 11: ...andard and an Aerotow nose release can be fitted on request Wing The two piece wing is cantilever and double trapezoidal It is constructed as a GRP Foam Sandwich shell with spar caps of parallel glass fibers extruded by a method developed by Hütter and Hänle and shear webs of reinforced GRP Foam Sandwich The air brakes are located only on the wing upper surface aprox in one third of wing semi span...

Страница 12: ...rest and rudder pedals are adjustable in flight Seat cushions are as well the sailplane standard equipment The instrument panel is tilted together with the cockpit canopy which make possible easy boarding The cockpit ventilation is provided by the slots through the instrument panel support Fresh air is brought to the pilot by the butterfly outlets located on both sides of the instrument panel If n...

Страница 13: ... m 49 21 ft Wing area 9 88 m2 106 35 ft2 Aspect ratio 22 78 Fuselage Length 6 45 m 21 16 ft Width 0 62 m 2 03 ft Height 1 36 m 4 46 ft Cockpit height 0 83 m 2 72 ft Horizontal Tail Unit Span 2 1 m 6 89 ft Area 0 99 m2 10 66 ft2 Aspect ratio 4 42 Vertical Tail Unit Height 1 15 m 3 77 ft Area 0 89 m2 9 58 ft2 Aspect ratio 1 49 Landing gear Main wheel 5 00x5 Tail wheel 210x65 ...

Страница 14: ...F Fl li ig gh ht t M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 1 7 HP H Ltd 1 5 Three view drawing ...

Страница 15: ... 0 Approved HP H Ltd SECTION 2 2 Limitations 2 1 Introduction 2 2 Airspeed 2 3 Airspeed indicator markings 2 4 Weight 2 5 Center of Gravity 2 6 Approved maneuvers 2 7 Maneuvering load factors 2 8 Flight crew 2 9 Kinds of operation 2 10 Minimum equipment 2 11 Aerotow and winch launching 2 12 Other limitations Limitations placards ...

Страница 16: ...ance are shown below Speed IAS km h KIAS IAS mph Remarks VNE Never exceed speed 250 135 155 Do not exceed this speed in any operation and do not use more than 1 3 of control deflection VRA Rough air speed 200 108 124 Do not exceed this speed except in smooth air and then only with caution Examples of rough air are lee wave rotor thunderclouds etc VA Maneuvering speed 200 108 124 Do not make full o...

Страница 17: ...d TAS is increasing with an altitude increase This has no influence on the sailplane strength or load however due to flutter safety the IAS limits shown in table below must not be exceeded in given altitudes Altitude Never exceed speed vNE IAS m ISA ft ISA km h KIAS mph 0 4 000 0 13 000 250 135 155 5 000 16 000 240 130 149 6 000 19 500 226 122 140 7 000 22 900 214 116 133 8 000 26 000 202 109 126 ...

Страница 18: ...neuvers must be conducted with caution and only in smooth air Red line 250 135 155 Maximum speed for all operation Yellow triangle 85 46 53 Approach speed at maximum weight without water ballast 2 4 Weight Max take off weight 450 kg 992 lbs Max landing weight 450 kg 992 lbs Max weight of all non lifting parts 240 kg 529 lbs i e all parts incl cockpit and baggage compartment load with water ballast...

Страница 19: ... lbs 110 kg 242 lbs 100 kg 220 lbs 90 kg 198 lbs 80 kg 176 lbs 270 kg 595 lbs 115 kg 254 lbs 110 kg 242 lbs 100 kg 220 lbs 90 kg 198 lbs 80 kg 176 lbs 70 kg 154 lbs 280 kg 617 lbs 105 kg 231 lbs 100 kg 220 lbs 90 kg 198 lbs 80 kg 176 lbs 70 kg 154 lbs 60 kg 132 lbs CAUTION The shaded cockpit load requires a check whether the maximum weight of all non lifting parts 240 kg 529 lbs will not be exceed...

Страница 20: ... 2 2 lbs in the ballast box will compensate for 2 4 kg 5 3 lbs of the pilot s weight Maximum lead ballast capacity of the ballast box is 6 kg 13 2 lbs Suitable lead ballast plates are available from HPH Ltd The empty sailplane C G may fit in some cases above or below the crosshatched area of the diagram and the maximum cockpit load is less than 110 kg 242 lbs or minimum cockpit load is higher than...

Страница 21: ...table Maneuver Input IAS Spin 60 km h 32 KIAS 37 mph Lazy eight 180 km h 97 KIAS 112 mph Inside loop 200 km h 108 KIAS 124 mph Stall turn Hammerhead 200 km h 108 KIAS 124 mph 2 7 Maneuvering load factors This sailplane is certified in the UTILITY category The following load factors may not be exceeded during maneuvers n 5 3 at air speed VA 200 km h 108 KIAS 124 mph 2 65 air brakes retracted n 4 0 ...

Страница 22: ...nt of lead ballast must be installed 2 9 Kinds of operation There are permitted day VFR flights and cloud flying only WARNING Intentional flights in icing conditions are PROHIBITED 2 10 Minimum equipment The instruments as well as the appropriate parts of the minimum equipment must be of an approved type Minimum equipment 1 Airspeed indicator color marked as in par 2 3 1 Altimeter 1 set of four po...

Страница 23: ... with the red radials at 5 3 and 2 65 g WARNING Basic aerobatic maneuvers may be performed only without water ballast max weight 380kg 838 lbs 2 11 Aerotow and winch launching The standard sailplane is fitted with the C G release for a towing rope Maximum aerotowing speed VT 150 km h 81 KIAS 93 mph Maximum rope or weak ling strength6400 N For aerotow takeoffs the approved synthetic or natural rope...

Страница 24: ...n nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 2 9 Approved HP H Ltd 2 12 Other limitations No smoking inside the sailplane Maximum weight of instrument panel 10 kg 22 lbs ...

Страница 25: ...F Fl li ig gh ht t M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 2 10 Approved HP H Ltd 2 13 Limitations placards ...

Страница 26: ...s 62 8 kg 138 lbs 4 5 kg 9 9 lbs 59 2 kg 131 lbs 6 kg 13 2 lbs 55 6 kg 123 lbs PERMITTED AEROBATIC MANOEUVRES SPIN LAZY EIGHT STTALL TURN INSIDE LOOP AEROBATIC MANOEUVRES ARE PERMITTED ONLY WITHOUT WATER BALLAST MAX WEIGHT 380 KG 838 LBS AIRSPEED IAS VNE Never exceed speed up to 4000 m 13000 ft 250 km h 135 KIAS 155 mph up to 7300 m 24000 ft 210 km h 113 KIAS 130 mph up to 10950 m 36000 ft 170 km ...

Страница 27: ...3 Emergency procedures 3 1 Introduction 3 2 Canopy jettison 3 3 Bailing out 3 4 Stall recovery 3 5 Spin recovery 3 6 Spiral dive recovery 3 7 Other emergencies 3 7 1 Wingtip catching in high grass during takeoff 3 7 2 Cable chute opening during winch launching 3 7 3 Towing rope release at low height 3 7 4 Slight vibrations and spongy controls before the stall ...

Страница 28: ...ush the canopy upward 3 3 Bailing out 1 Direct the sailplane to an uninhabited place 2 Canopy jettison acc to 3 2 3 Release safety harness and spread them aside 4 Bend you legs under the body 5 Roll over the cockpit frame 3 4 Stall recovery 1 Push the control stick forward 2 After stall recovery transit to gliding 3 5 Spin recovery 1 Control stick ailerons in neutral position 2 Rudder pedals full ...

Страница 29: ...rly phase of a winch launching the cable chute may open if it s size is too large or if the climb is too flat In such case release immediately and land straight ahead 3 7 3 Towing rope release at low height A speed within 85 90 km h 46 49kts 53 56mph should be maintained after release at low height in straight and level flight the speed increases up to 15 with water ballast In a turn the speed sho...

Страница 30: ...4 1 Introduction 4 2 Rigging and de rigging Daily inspection 4 4 Preflight inspection 4 5 Normal procedures and recommended speeds 4 5 1 Takeoff and climbing 4 5 2 Flight 4 5 3 Approach and landing 4 5 4 Flying with water ballast 4 5 5 High speed flight 4 5 6 Slow speed flight stall characteristics 4 5 7 Cloud flying 4 5 8 Flights below zero 4 5 9 Flight in rain 4 5 10 Aerobatics ...

Страница 31: ...tion and are actually engaging into the opposing socket fittings on the fuselage 4 Rig Starboard wing with the same lever settings as Port wing and pull together with rigging tool Ensure correct engagement of control as with Port wing 5 Momentarily remove main wing spar pin When bushes line up push pin in and lock 6 Check aileron and airbrake functions 7 Push tailplane onto the rigging drive pins ...

Страница 32: ...ing the sailplane and parking in a hangar When inspecting the sailplane check for cracks in surface finish blisters or uneven surface and if in doubt check with authorized specialized personnel 1 a Open the cockpit check if the main pin is installed and locked b Visual cockpit control inspection c Remove foreign material from fuselage d Check tire pressure of main wheel Tire size 5 00 5 Takeoff we...

Страница 33: ...usually large play in the system c Check hinges for any damage 4 a Check if the holes for static pressure on the fuselage shell are clear 5 a Check if the front stabilizer attachment bolt is engaged b Check for blocked Pitot gently blow into the Pitot to check ASI function c Fit compensatory tube and check line When blowing against tube the connected vertical speed indicator registers climb d Chec...

Страница 34: ...indicate delamination at the wing spar root ends wing root rib fittings landing gear attachments tail fittings and all areas of concentrated loads Also inspect the central wing pin and tail attachments for distortion If damage is found the sailplane should be grounded until any repairs have been completed 4 4 Preflight inspection Parachute correctly fitted Safety harness correctly and firmly adjus...

Страница 35: ...al position if the sailplane C G ranges from forward to medium position If the C G ranges from medium to rear position then trim nose heavy After lift off and when a speed of about 75 80 km h 40 43KIAS 47 50 mph is reached this speed is increasing up to 15 with the water ballast adjust the trim to decrease elevator control forces Normal towing speed 100 120 km h 54 65 KIAS 62 75 mph Max aerotowing...

Страница 36: ...p climb after take off Depending on the trim setting a correction with the elevator may be necessary to prevent a steep climb in the early take off phase After a safety height of approx 50m 150ft is reached the sailplane can be brought into a steeper climb by more back pressure on the control column If too much back pressure is applied and proposing occurs elevator stall release some of the back p...

Страница 37: ...towing height the cable will back release automatically however you should not neglect to pull the release knob several times 4 5 2 Flight At a safe altitude experiment with the air brakes and note loss of height at various speeds This sailplane has very well balanced flight characteristics and controls The rate of roll from 45o bank at 1 4 times stalling speed is 3 5 sec On the other hand it is p...

Страница 38: ...ep approaches e g in strong ground turbulence or when approaching over high obstacles the air brakes are fully extended and the glide angle is controlled with the elevator Excessive height can thus be reduced without increasing approach speed noticeably WARNING The water ballast if filled should be emptied before landing If a sideslip is used to reduce the approach height with air brakes and landi...

Страница 39: ...the same steps as the left WARNING Bags must not be pressurized e g fill directly from the water hose Both bags must be filled equally Do not add water ballast below O C 32 o F because of freezing danger The water ballast should be emptied before landing It takes about 4 minutes when the bags were full Never store the sailplane with filled bags Always drain off water and open the valves to vent th...

Страница 40: ...while operating the air brake lever Loose objects in the cockpit should be avoided as well 4 5 6 Slow speed flight stall characteristics For familiarization with Glasflügel 304 C sailplane we recommend to perform stalling tests from a straight and level flight and from a turn of 45 bank The tests should be done of course at a safe altitude Refer to Section 5 par 5 2 2 for the sailplane stalling sp...

Страница 41: ...s this sailplane owing to its very steep glide path may exceed the never exceed speed Minimum equipment for the cloud flying is listed in 2 10 4 5 8 Flights below zero The control system friction may increase when the temperature is below zero degrees of Centigrade as well as during winter flying Ensure that all control elements are free of moisture to prevent freezing This in particular applies t...

Страница 42: ...oop remains smooth Spin Spins may be performed only at rear C G positions With forward C G positions this sailplane will enter a spiral dive It should be terminated immediately by neutralizing all controls and recover To enter the spin a dynamic stall has to be produced and before nose drop full rudder has to be applied into the direction of spin Entry speed 60 km h IAS 32 KIAS 37mph Recovery spee...

Страница 43: ...180 km h IAS 97 KIAS 112 mph recommended is 200 km h 108 KIAS 124 mph Gradually pull the control stick while coordinately applying the ailerons and rudder to perform a climbing turn in required direction At a speed of 120 km h IAS 65 KIAS 75 mph change to gliding at 180 km h IAS 97 KIAS 112 mph and gradually pull the stick while coordinately applying the ailerons and rudder to perform opposite cli...

Страница 44: ... e Document No G304C AFM Date of Issue 12 01 5 0 HP H Ltd SECTION 5 5 Performance 5 1 Introduction 5 2 Approved data 5 2 1 Airspeed indicator system calibration 5 2 2 Stall speeds 5 3 Non approved further information 5 3 1 Demonstrated crosswind performance 5 3 2 Speed polar Approved ...

Страница 45: ...o G304C AFM Date of Issue 12 01 5 1 HP H Ltd 5 1 Introduction Section 5 provides approved data for airspeed calibration stall speeds and non approved further information The data in the charts has been computed from actual flight tests with the sailplane using average piloting techniques Approved ...

Страница 46: ...li ig gh ht t M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 5 2 HP H Ltd 5 2 Approved data 5 2 1 Airspeed indicator system calibration Approved ...

Страница 47: ...44 KIAS Retracted 37 mph 47 mph 50 mph 67 km h 80 km h 85 km h 36 KIAS 43 KIAS 46 KIAS Extended 42 mph 50 mph 53 mph With closed air brakes a stall warning occurs as a light buffeting and vibration and oscillation of the ASI needle towards the stalling speed If the air brakes are extended the airframe vibrates noticeably at approx 5km h 2 kts 3mph above the stalling speed If the air brakes are ext...

Страница 48: ...ument No G304C AFM Date of Issue 12 01 5 4 HP H Ltd 5 3 Non approved further information 5 3 1 Demonstrated crosswind performance Winch launching takeoff 25 km h 6 9 m s 13 5 kts Aerotow takeoff 23 km h 6 4 m s 12 4 kts Landing 23 km h 6 4 m s 12 4 kts 5 3 2 Speed polar Not measured so far ...

Страница 49: ...a an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 6 0 HP H Ltd SECTION 6 6 Weight and Balance 6 1 Introduction 6 2 Weight and Balance Record and permitted payload range ...

Страница 50: ...he payload range within the sailplane may be safely operated Procedures for weighing the sailplane and the calculation method for establishing the permitted payload range and a comprehensive list of all equipment available for this sailplane and the installed equipment during the weighing of the sailplane are contained in the applicable Maintenance Manual Document Number G304C MM ...

Страница 51: ... Ltd 6 2 Weight and Balance Record and permitted payload range valid for Serial No Permitted cockpit load kg or lbs with water ballast without water ballast Approved Date Empty weight Max Min Max Min Date Signature Refer to Operating Maintenance and Repair Manual Document Number G304C MM for minimum and maximum pilot weight calculation ...

Страница 52: ...4C AFM Date of Issue 12 01 7 0 HP H Ltd SECTION 7 7 GENERAL SAILPLANE AND SYSTEMS DESCRIPTION 7 1 Introduction 7 2 Cockpit controls 7 3 Instrument panel 7 4 Landing gear system 7 5 Seats and safety harness 7 6 Pitot and static system 7 7 Airbrake system 7 8 Baggage compartment 7 9 Water ballast system ...

Страница 53: ...elogram system which prevents unintentional movements induced by gusts The following buttons are mounted on the control column a Radio button press to transmit b Spring trim button depress with the little finger and release in any selected control column position c Trim lever can be adjusted manually when trim button is depressed Lever forward nose heavy Lever rearward tail heavy d Wheel brake It ...

Страница 54: ...ventilation Butterfly valve closed air supply to the canopy only Butterfly valve open air supply to the pilot as well as to the canopy i Water ballast Water ballast system is operated with a small lever located on the starboard cockpit side Lever at rear position Valves open Lever in forward position Valves close j Backrest adjustment Backrest position may be adjusted with a black D lever on the s...

Страница 55: ...F Fl li ig gh ht t M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 7 3 HP H Ltd 7 3 Instrument panel ...

Страница 56: ...tted with an adjustable backrest as well as headrest The backrest position may be adjusted with a black D lever on the starboard cockpit side To adjust the backrest position release the lever release weight on the backrest and move your body forward the backrest moves forward To adjust the headrest Lift notched bar and adjust headrest position Both backrest and headrest may be adjusted in flight T...

Страница 57: ... of baggage including all installed equipment from that 5 kg 11 lbs may be placed loose i e without fastening with the straps 7 9 Water ballast system The water ballast system is operated with a small lever located on the starboard side of the cockpit open valves lever in rearward position closed valves lever in forward position The two replaceable water ballast bags can carry up to 115 liters 25 ...

Страница 58: ...l lp pl la an ne e Document No G304C AFM Date of Issue 12 01 8 0 HP H Ltd SECTION 8 8 Sailplane handling care and maintenance 8 1 Introduction 8 2 Sailplane inspection periods 8 3 Sailplane alterations or repairs 8 4 Ground handling road transport 8 5 Cleaning and care ...

Страница 59: ...It is wise to follow a planned schedule of lubrication and preventive maintenance based on climatic and flying conditions encountered 8 2 Sailplane inspection periods Refer to the Operating Maintenance and Repair Manual Document Number G304C MM for more information on the sailplane periodical inspections 8 3 Sailplane alterations or repairs It is essential that the responsible airworthiness Author...

Страница 60: ...selage molding in front of the C G release and supported by the tail wheel The Tailplane is stored in two profile true slings separated 1 5 2m 5 6 6 ft and with the L E pointing downward Under no circumstances attach the tailplane into the trailer by using the tailplane main attachment fittings Sailplanes which stay rigged for the whole year or longer periods should be attended to so that rigging ...

Страница 61: ...too often Polish as often as you wish but take care not to heat up the surface when using a polishing machine as otherwise the surface quality will suffer Exposure to moisture should be avoided as with all other sailplanes Protect from intensive sun radiation heat and unnecessary permanent load Please note that the surface of all parts which are exposed to sun radiation must be colored white Color...

Страница 62: ...M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 9 0 HP H Ltd SECTION 9 9 Supplements 9 1 Introduction 9 2 List of inserted supplements 9 3 Supplements inserted ...

Страница 63: ...Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 9 1 HP H Ltd 9 1 Introduction 9 2 List of inserted supplements Date of insertion Doc No Title of inserted supplement ...

Страница 64: ...F Fl li ig gh ht t M Ma an nu ua al l f fo or r t th he e s sa ai il lp pl la an ne e Document No G304C AFM Date of Issue 12 01 9 2 HP H Ltd 9 3 Supplements inserted ...

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