Helio HT-295, Owner'S Manual

Page 1: ...HELIO AIRCRAFT COMPANY HELlO MODEL HT 295 OWNERS MAN UAL ...

Page 2: ...a a a a m m c w m m r m m w o Operation a m 0 a m a a a a a a a a a w General Operating Instructfom And Lintitations Pilot Check List Ir a lit m m a a a a a a c a a I a a a m a m a Pilot Emergency Check List S u m m a r y of O p e r a t i o n a l Afrspeab Take Off Cruise and Landing Technfques Cross Wind Take Off md Landing Techniques Mi8cellaneoua Provisions Brake System Schmatic Fuel System SePt...

Page 3: ...eries Longitudinal trim is by an elevator trim tab actuated by an electric motor on the 1700 series The airplane is equipped with long span slotted flaps and full span leading edge slats for high lift operation Lateral control is obtained by short span Frieze ailerons operated in conjunction with leading edge interceptors The latter are provided for low speed control Pitch change is obtained with ...

Page 4: ...par construction RUDDER Single spar construction STABILATUR Sfngle spar construction FUSELAGE The forward fuselage structure is a welded steel tube truss It is covered with alclad sheet in the cabin section the remaining portion is semi monocoque LANDING GEAR The main landing gear is the Spring Steel type mounted in a box section of the fuselage structure The Nose Wheel is the air oil shock strut ...

Page 5: ...a1 movements are not necessary ta produce satisfactory xates of roll at all airspeeds RUDDER The rudder and controls are conventional The rudder pedals are ground adjustable to four positions Toe brakes are provided on the left hand pair of pedals SWLBZLATOR The horizontal tail surface or stabilator is a single movable surface instead of the usual elevator and horizontal stabilizer The control ope...

Page 6: ...wl check oil level and inspect fuel rend oil lines for leaks Give engine compartment a complete visual check 4 I Check nose wheel olea shock strut and tires for proper inflation 5 8 Check main gear brakes and lines for leaks and security 6 l Drain sediment bawl Accessible through small door under the forward windaw on right side fuselage Drain auxiliary fuel tanks if applicable Drains located on t...

Page 7: ...ngine The aircraft is designed so the starter circuit is inoperative with the control lockpin installed The magneto circuits are not involved in any way When the engine begins to fire immediately put mixture control in Full Rich position full in and allow ignition switch to return to both mag position CAUTION If engine fails to start immediately return mixture control to Idle Cut off position Fail...

Page 8: ...an be opened without backfiring or skipping Check magnetos at 2600 RPM Drop off should not exceed 175 RPM on either magneto and should be withfn 50 RPM of each other Exercise pro eller at 2200 RPM Pull control to decrease RPM note drop to 1275P 50 RPM Cowl flaps should be open for all ground operation pull handle out Avoid prolonged ground operation as it will cause overheating For further informa...

Page 9: ...oach 1 e Close tile cowl flaps so that the engine does nat cool too rapidly 2 e Open throttle occasionally to clear out engine and keep warm Prior to turning into the base leg in the landing approach 3 l Auxiliary Boost Pump ON 4 0 Extend the flaps to the desired position Maximum flap speed is 8 0 M P H l 5 l Set propeller control to 3000 RPM TAXI 1 l Retract Flap 2 open cowl flaps 3 l Auxiliary B...

Page 10: ...the controls Na dive nor forward movement of the control wheel is required for recovery Recovery is effected by the normal useof either the aileron or rudder control SPEED LIMITATIONS The Never Exeed Speed We for the HT 295 is 200 MPH C A S A red line appears on the airspeed instrument at this speed MAXIMUM FLAP SPEED Vf IS 80 MPH C A S The white range on the airspeed indicator indicates the flap ...

Page 11: ...a SAE 40 Below lOoF SAE 20 SAE 40 2ov30 ROTATING BEACON LIGHT Qil Inlet Temperature Desired Max IL80 235 F 18V 235 F 180 235O 170 2100F 170 210 F If beacon light is installed this light should be turned off before entering overcast as reflections from the rotating anti collision light on clouds or dense haze can produce optical illusions and severe vertigo This is particularly true at night 9 ...

Page 12: ...H TO EXTREME RPG IT AND P H Ignition Switch TO BOTH AFTERENGINE STARTS Mxture RICH Simultaneously with 15 above Oil Pressure CHECK AWL IPfxel Pump Ol F Ermghe Wism Up 1000 to 1200 RPM Fuel Quantity Gauge II CEECK fNGINE RUN UP 1 a Taslchmcter SET 1500 to 1700 RPM 2 a Carburetor at HOT THEN COLD 3 a ter CHECK 4 he1 and Oil Pressure c fxcIR 5 l 8il and Cylinder Head Temperature CHECK 6 a Vaculam Gau...

Page 13: ... mb WLL THIKJTTLE AND2750 RI 1 4 Thruttle 23 Gc M P 2 0 Propeller 2600 RPM 3 4 Cowl Flaps AS REQUIRED 1 Seat 8elts TIGHTEN 2 4 carburetor Heat CfoLD EXCEPT IN XCIms 3 4 Mixture G RICH 4 l Propeller 3000 RPM 5 4 Awe Fuel Pump ON 6 0 Wing Flapr AS DESIRED 7 4 Propeller FULL ZYCREASE ON FINAL APPROACH 1 4 Cowl Flaps OPEN 2 4 Wing Flaps UP 3 4 A heI Pump OFF 4 0 Electricrl Switches UNNECESSARY SWISHES...

Page 14: ... c Throttfe Cloud d l M i x t u r e Idle Cut Off ENGINE FAIUJRZ OR FIB DURING FLIGHT 1 0 Throttl Closhd 2 0 PrqMBller Full Decrease RPM OUT 3 l Maxfmm Glide Di8tsnce Airbpted Attain 80 MEW IAS with flaps up USC the txces in aimpeed 0 r 80 W to attain altitude if desired 4 l mixture Idle Cut Off 5 l Fuel Selectors Off 6 l Zgnition Switch Off 7 l mdio Call Acampliah 8 Flaps As Required 9 e Generatar...

Page 15: ... EPARAED TERRAIN 1 Xaudiug pracedure is arfsaflar to Hlnimm Run Lmdings Full STOL 2 On soft or rough ground use caution in lying brakes 3 If possible avoId having ts re start and rev up engine in loose sand or dirt to niaimize propeller damage E l SUMRY OF QPERATXONAL AIRSPEEDS AT GROSS WXGHT 3rboo LBS Mnimum Speed Paver Off Flaps Up 60 MPH I A S Flaps lh wu 50 MPH I A S Never Exceed Speed 200 MPH...

Page 16: ...and 450 fur cruise Mast new pilots to the Currier tend to over rutate on take off Due to the hLgh lift of the wfng md the large area of the all movable hsriosuntal tall it Es posafblc to assume an excessive mm high attitude when making a short field takewff HCW V r the mew pilot quickly hams from experience how soon the aircraft rssy be lifted off 2 a Cruise Fl ight Tktottle Set Approximately 23 H...

Page 17: ... landings it is well to realize the fact that when the lift of any normal wfng is doubled by the USC of a flap the drag is increased Buzr fold This high drag at the full flap pssitfun nm only producelr a very steep rate ofmdescent but also mearm that the aircraft will have very litt flcmt once ths nose Is raised for flare aut Consequently n a full ftap no puwer landing the ccirctaft should be held...

Page 18: ... s Normal SIXJL approaches with full flap8 are best accomplighed with part al power so a to xmintaia tssentially the mme flight psth arrgle at about 55 MPH as results from 70 MPH at half flaps and ao puww The throttle thenmtts the approcrch control device 4 e STOL Take 0f f and Landings The shortest ground run take off under aandetrd conditbons at 3000 Iba or less can usually be accomplished with ...

Page 19: ...s to mmm the oscflIatfag mmmmmms of the stabffator athould be reduced m that there is equal float atiun on all three wheels as the aircrrrf nmves fortim Then when rolling free use esaentfallp the mme te hnique far the mtnimum run take off Since the consistency and effect of diffwetlt types and depth8 aX wd vmy grbi y nu stngle rule or technique can substitute for expcr ence aad jud nkt cm soft and...

Page 20: ...en referred to am the back side af the thrust drag curve or simply as the back side rof the mer curve Canstqueatlp a zocmw after take off irr order to clear a cluse barrier should be strictly 8 cpergeiacy ptocadure fur expcrfenced Hcrli 0 pflots Climb out speeds below 50 MPH arcnqt recmmmdtd d a Sharcttst Distance Take OffsOver Barrier Grass Weight 3000Q OF Higher With 30 degree flaps alluw the ai...

Page 21: ...rier CrQssiag pcwet rcmafn on and at the ftnal rotmd uut pofat mmlr amy have to be applttd to check the high rate of desseat It is advtsable aa sum arll the aircraft tauchea dmm to pull all pcmex off imdiately and to apply brakes accordingly The brakes aharald bt applied evenly increasing to umcimum brakiag but stopping short of the point where brake hattcP o cur r If khatter QCCU IIS eme np on tf...

Page 22: ... simply stall out and crash The llelia su abused 111 pat tall out but if the p1161tt failer to xecognize this condition scmn mwmgh the aircraft will thea necersitatt rcrstng a substantial mount of power to arrest thrr rate afmsiuk atherwfae the aircraft will touch duwn wmn r and her r than intsndad The STOL hmding ia essentially throttlG flyiag The pilot mat become I thrQtt3t conssiuus The pilot h...

Page 23: ...en landfag hn u crass triad either crab or slip for exiatiag wind ercmdittaas as you wauld w5 th any coaveatkanat aircraft 0111 the approach Just prior to touch dmrt liga the QQ B straight with the flight path or touch dam on the up wind wheel fimt depend i on the method oaed tatnd the aircrrft without delay When the wheels tartich dawn art slightly before reduce power completely and retruet flaps...

Page 24: ...ectrical system through a voltage raguletor which im limited ta 50 asaperas The muter switch nmmt be ia the OWt pusftion before opwrrtf of the eEectrica1 spstem ts posrible CAUTION kt is very impurmat that the brttery be properly f lled at all timerr Inspectian of ths liquid level in the betttry shrould be made rait pxoximatefp every 20 burr The acid ofutim should be up to smmr over the baffle pla...

Page 25: ...brake l The brakes are hydraulic each psdaL octuaring a hydraulic pfseon TIM parking brake handle locks hydraulic prerraure ia the master cyrtsderr l Acatathg the parking brake coatrol lotAs the fluLd betwstn the brake and the master cylinder Thfs system utEH ees a rctservofr located forward of the pilot rudder pedals and rrecured to the aft aide of the firewsll The brake fluid to be tme frr MIL H...

Page 26: ...rakes To operute pates the tat brakes ta the desired pZX 88WVi thera pull mat the parklng brake control lcwated ON THE Wekasd t o t brukea Ta a4Oelmse the parkimg brake depress tse brakes and hold mntil pushing the parking brake control all the way in Avoid heavy pulling forces an parkfag brake handle tht cable rolp actuates a small luck a chunical mechmi tll cm the master brake cylinder ZQWING Tf...

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