PREPARATION PROF CX KT-1B

J-896 , Kapten Pnb Galung

Keterangan  :

>  CP         =  Check point
>  CWP     =  Caution Warning Panel
>  CWS     =  Central Warning System
>  MCP     =  Maximum Continuous Power
>  NWS     =  Nose Wheel Steering
>  R/W      =  Run Way
>  T/O       =  Take Off
>  L/D       =  Landing
>  D/W      =  Down Wind

Pre Flight - Before Taxi cx.   As cx list

Taxi - On Short.      Keluar dari shelter, laksanakan brake cx dan double cx (safety pin release). Lanjut taxi out bacakan emergency proc (eng fail during T/O & after T/O, eject, comm fail, intercom fail), T/O brief dan balancing fuel (apabila diperlukan). Entering S1 rubah ke freq Adi tower, posisi L/R echelon as req. Di on short laksanakan kembali double cx (ejection seat safety handle Arm, L/D light on, Nav/Strobe light set Nav/Strobe)  dan clearing cx (D/W, Base, Final, R/W Clear) sebelum melaksanakan line up di R/W.

Line Up.             Berhenti di center line (or as req), hold brake dan cx power (flight idle/MCP), cx eng instrumen, fuel balance dan CWP. Call ready for T/O.

Take Off.           Open power gradually, keep center line by rudder (xcx :  Direction - Power). Power MCP (Ng > 60%), cx speed 55 Kts NWS release, cx speed 65 kts rotation, nose 10° up and hold. Cx speed 100 kts L/G up, cx speed 110 kts flaps up dan laksanakan after T/O cx. Cx speed 140 kts nose 15° up, maintain speed by pitch. Cx Altitude 800 ft clearing, cx Alt 900 ft turning dan Call leaving traffic, rubah ke freq Yogya Director.

Climbing - Leveling Off.              Maintain speed 140 kts, laksanakan climbing cx menuju area medium expect level di altitude 7000 ft atau menyesuaikan perawanan. 2000 ft before cx Vario, 1000 ft before select cx point depan (awan/heading) untuk leveling off. 200 ft before, nose down gradually (10° up, 5° up then level 2°-3° up), standby left rudder (trim) agar keep ball center. Cx speed 175 kts reduce power ke 35% Tq (lihat jarumnya, baru lihat angkanya). Trim agar straight and level, selanjutnya laksanakan before manuver cx (HASEL cx). Call reaching area.

AIR EXERCISES :

1.         Steep Turn.

Entry ;  set power 40% , select CP depan, bank 60°, C/H 360°, CP depan kembali ke depan, clearing

During ;  start bank gradually, passing 45° start press (nose menempel di horz) stop di bank 60°, xcx nose-horz-bank, cx Alt, cx vario, cx hdg standby recover 30° before.

Recovery ;  30° before, start roll out gradually sampai wing level, nose attitude kembalikan ke level (2°- 3° up). Power kembalikan ke 35%. Laksanakan in flight cx dan cx area.

2.         Clean Stall.

Entry ;  set power 35%, select CP depan, reduce power ke ground idle.

During ;  xcx Direction-wing level-vario 0, contol direction by rudder, wing level by stick dan vario 0 by pitch. Sampai masuk entry stall (one wing drop, slopy movement), speed 80 kts  AOA 20-30, rudder shaker, stall aural warning.

Recovery ;  release stick 10° down sambil open power MCP gentle (standby Right rudder/trim). Effective speed (V-90 kts), nose 25° up (approaching stall), cx speed 100 kts nose to level attitude, cx speed 180 kts reduce power 35%. Laksanakan in flight cx dan cx batas area.

3.         Dirty Stall.

Entry ;  set power 35%, select CP depan, reduce power ke ground idle.

During ;  xcx Direction-wing level-vario 0, contol direction by rudder, wing level by stick dan vario 0 by pitch. Cx speed < 150 kts laksanakan L/G down, flaps Land (waspadai effect balloning). Cukup sampai masuk stall symtom saja (rudder shaker, stall aural warning), cx speed 65 kts.

Recovery ;  release stick 10° down sambil open power MCP gentle (standby Right rudder/trim). Effective speed (V-75 kts), nose 10° up (climbing attitude). Cx vario positive up, laksanakan L/G up dan flaps T/O, cx speed 110 kts flaps up. Laksanakan clearing turn selama 5 sec, C/H 30° entry hdg (.....)  recovery hdg (......) turning go, bank 20°. Cx speed 140 kts reduce power 40%, cx altitude kembali ke semula level kan pesawat, cx speed 180 kts reduce power 35%. Laksanakan in flight cx dan cx batas area.

4.         Chandelles.

Entry ;  Wing over, set power 35% Tq, select CP 90° (CP kiri buat ke kanan), nose 5° down, gaining speed ke 170 kts, cx ball center.

During ;  cx speed 170 kts, bank 45° gentle - stop, press 1.5 x 2 G. Xcx CP 45° passing horz, CP 90° above horz 25° up bank 60°, tahan nose att dan bank.

Recovery ;  CP 135° start roll out (xcx nose - cx point). Saat C/H 180° cx speed 100 kts, kembalikan nose 5° down. Cx alt, persiapan membuat ke arah sebaliknya.

5.         Lady 8.

Entry ;  set power 35% Tq, select CP 90° (CP kiri buat ke kiri), nose 5° down, cx ball center, gaining speed ke 175 kts.

During ;  cx speed 175 kts start press slow rate/lazy, passing horz cx CP 45° kiri/kanan, start roll continue press bawa ke CP 45° above horz (Utk L 35° dan R 40° up) bank 45°, cx CP 90° bawa kesana max bank 90°, saat memotong CP 90° cx speed 100 kts.

Recovery ;  Setelah memotong di CP 90°, continue press bawa ke CP 135° max nose dive 25° - 30° down, di CP 135° start roll out (xcx nose - cx point). Saat C/H 180° kembalikan nose 5° down. Cx alt, persiapan membuat ke arah sebaliknya.

6.         Spin.

Airmanship ;  min alt 9000 ft, tdk boleh dilaksanakan di atas ; awan, kota, gunung dan laut.

Entry ;  Power ground idle, nose 20° up, standby speed decreasing.

During ;  cx speed 80 kts, full L/R rudder, saat nose passing horz laksanakan stick fully back, standby masuk spin. Putaran pertama tidak dihitung, mulai hitung sampai 2x putaran.

Recovery ;  Setelah 2x putaran, pull opposite rudder dan stick netral. Tunggu putaran akan berhenti, netralkan rudder. Setelah putaran berhenti, wing level, pull up sampai passing horz, power MCP, nose 250 up (app stall). Cx speed 100 kts level kan pswt, cx speed 180 reduce power 35%. Laksanakan in flight cx dan cx batas area.

7.         Loop.

Entry ;  Select CP ground, Wing over, set power MCP, nose 10° down, cx speed gaining dan cx ball center.

During ;  cx speed 215 kts, start press 3 x 3.5 G (3 sec). Xcx 1-2-3 and half G - wing level - rate constant - head back - cx speed 100 kts - continue press - cx point.

Recovery ;  kembalikan nose 10° down, cx alt, gaining speed, cx ball center.

8.         Cuban 8.

Entry ;  Sama seperti Loop.

During ;  sama seperti Loop, hanya setelah head back, nose passing horz, Timing 3 sec (45° down), stop press rate, continue fast roll L/R, cx CP ground.

Recovery ;  kembalikan nose 10° down, cx alt, gaining speed, cx ball center.

9.         Immelman.

Entry ;  Sama seperti Loop.

During ;  cx speed 225 kts, start press 3.5 - 4 G (3 sec). Cx wing level, rate constant, head back, cx nose 20° up, stop press rate dan fast roll L/R.

Recovery ;  nose 20° up, wing level, cx speed 100 kts. Level kan pswt, standby speed ke 180 kts reduce power 35%. Laksanakan in flight cx dan cx batas area.

10.         Clover Leaf.

Entry ;  Select CP ground, Wing over, set power 40%, nose 10° down, gaining speed and ball center.

During ;  Cx speed 195 kts, start press 3 - 3.5 G (3 sec), wing level - rate constant, cx foot on horz (60° - 70° up), start roll ke CP 90° - continue press. Di CP 90° stop press, inverted above horz cx speed 100 kts, continue press, lihat cx point.

Recovery. ;  Rate constant, bawa ke nose 10° down, cx speed, cx altitude dan ball center.

11.         Barrel Roll.

Entry ;  Select CP depan/ground, Wing over, set power 35%, nose 5° down, gaining speed dan ball center.

During ;  Cx speed 180 kts, start press 2 - 2.5 G, knee on horz (25° - 30° up), start roll dan continue press bawa ke CP 90°. Inverted di CP 90° on horz cx speed 100 kts, lihat CP di wing tip, arahkan pesawat kesana.

Recovery ;  Arahkan nose kembali ke CP depan, nose 5° down, cx speed, cx Alt dan ball center.

12.         Slow Roll.

Entry ;  Select CP depan atas, Wing over, set power 35%, nose 5° down, gaining speed dan ball center.

During ;  Cx speed 180 kts, pull nose 20° up, continue roll with slow rate, coordinate with stick and rudder , keep nose 20° up, on cx CP.

Recovery ;  Nose kembali ke 20° up, on CP depan, wing level, level kan pesawat. In flight cx dan cx batas area.

13.         PFL.              R/W 09

Entry ;  Alt 4000 ft, di Long Final bacakan prosedur Immediate dan normal air start. Set power 10%, reduce speed ke 120 kts, standby call High key.

During ;  Setelah call High key, cx wing tip abeam dgn S2, cx speed < 150 kts L/G down, reduce speed 110 kts and keep. Clearing dan turning R bank 2 needle (+/- 20°). Saat turning menuju Low key, cx berapa Vario nya tambahkan dgn elevasi (ex : vario 1600 + elv 400 = 2000). Di Low key inisial hdg 267°, cx wing tip menyusuri grass. Abeam S2 cx Alt (ex : Alt 2200 + 2000 = 4200 / 2 = 2100), maka Alt turning point kita adalah di 2100. Di Base key continue bank 2 needle keep speed 110 kts. Di Final key apabila ketinggian dapat menggunakan flaps T/O atau Land. Cx Alt 700 ft laksanakan go around.

Recovery ; Laksanakan go around, Call over shooting.  Gradually nose up ke 10° up, sambil open power ke MCP. Cx vario positive up laksanakan L/G up dan flap T/O , cx speed 110 flap up. Laksanakan clearing turn, bank 20° ke hdg 120° selama 5 sec. Cx speed 140 kts reduce power ke 30%, cx Alt 1400 reduce power ke 15% sambil level kan pesawat. Setelah 5 sec, laksanakan clearing dan level turn dgn bank 30° menuju Cross wind.


Teach by, Komandan Flight SIP 79 :  J-826 , Myr Pnb Dodo