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UH-60 Performance Planning (Alternative or Sling Load) 1-212 Aviation Regiment Fort Rucker, Alabama 36362 Version date: April 2007.

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Presentation on theme: "UH-60 Performance Planning (Alternative or Sling Load) 1-212 Aviation Regiment Fort Rucker, Alabama 36362 Version date: April 2007."— Presentation transcript:

1 UH-60 Performance Planning (Alternative or Sling Load) Aviation Regiment Fort Rucker, Alabama Version date: April 2007

2 Terminal Learning objective (TLO): At the completion of this lesson the student will: Action: Complete an H-60 Performance Planning Card, Alternative or Sling Load Configuration, DA FORM R. Condition: As a UH-60 aviator. Standard: In accordance with TC 1-237, TM Safety Requirements: None. Environmental Considerations: None.

3 TYPES OF DRAG FORWARD SPEED DRAG INDUCED DRAG CREATED THRU THE PRODUCTION OF LIFT PROFILE DRAG IS FRICTIONAL RESISTANCE OF THE BLADES PASSING THROUGH THE AIR PARASITE (FLAT PLATE) DRAG CREATED BY NON LIFTING PORTIONS OF THE AIRCRAFT TOTAL DRAG

4 PLANNING REQUIREMENTS

5

6 DEPARTURE BLOCKS THAT DIFFER FROM "TYPICAL" PPC DEPARTURE SECTION VALUES OBTAINED FROM LOGBOOK, WEATHER BRIEFING

7 TORQUE RATIO COMPUTED AS PER CLEAN CONFIGURATION IAW TC

8 DEPARTURE SECTION

9 MAX TORQUE AVAILABLE COMPUTED AS PER CLEAN CONFIGURATION IAW TC % 110 X.967 = 106% = 216 / 2 = 108% (DE) MTA

10 DEPARTURE SECTION

11 MAX ALLOWABLE GWT OGE IGE 2 ENTER CHART AT MAX TRQ AVAIL OR XMSN LIMIT (OGE) 3 MOVE RIGHT TO TEMP & PA LINE AND READ GWT (OGE) 4 ENTER CHART AT MAX TRQ AVAIL OR XMSN LIMIT (IGE) 5 MOVE UP TO WHEEL HEIGHT WITH LOAD AT 10 FEET THEN RIGHT TO TEMP & /PA LINE AND READ GWT (IGE) 1 ESTABLISH TEMP & PA LINE

12 DEPARTURE SECTION

13 GO/NO GO OGE/IGE 97% OGE100% IGE 2 ENTER CHART AT MAX GWT OGE 3 MOVE LEFT TO HOVER HEIGHT THEN DOWN TO GO/NO GO TRQ (OGE) 1 ESTABLISH TEMP & PA LINE NOTE: HOVER HEIGHT IS HEIGHT OF AIRCRAFT WITH LOAD AT APPROX. 10 FEET 4 ENTER CHART AT MAX GWT IGE 5 MOVE LEFT TO HOVER HEIGHT THEN DOWN TO GO/NO GO TRQ (IGE)

14 DEPARTURE SECTION IF AIRCRAFT GWT IS LESS THAN MAX ALLOW GWT OGE PLACE OGE IN BLOCK OGE TC PG. 4-2

15 PREDICTED HOVER 90% 1 ESTABLISH TEMP & PA LINE 2 ENTER CHART AT AIRCRAFT GWT 3 MOVE LEFT TO HOVER HEIGHT THEN DOWN TO HOVER TRQ

16 DEPARTURE SECTION OGE DOUBLE DUAL ENGINE TORQUE FOR SINGLE ENGINE

17 MIN SE AIRSPEED 20 KTS WITHOUT LOAD KTS WITH LOAD 1 ENTER CHART AT LOW ETF (SE)~30 MIN ENGINE 2 MOVE UP TO ACFT GWT WITH AND WITHOUT SLING LOAD 3 MOVE R/L TO IAS

18 DEPARTURE SECTION OGE

19 REMARKS SECTION OGE LOAD: ALQ 144 M130 CHAFF DISP 4’X4’ CUBE SHAPED LOAD OBTAIN AND ENTER DRAG MULTIPLYING FACTORS AND FLAT PLATE DRAG HERE

20 REMARKS SECTION PAGE 7-147

21 REMARKS SECTION OGE ∆F DMF ALQ M

22 REMARKS SECTION PAGE ENTER CHART AT LOAD SHAPE 2 MOVE RIGHT TO LOAD SQ. FT. LINE (4X4=16 SQUARE FEET) 3 MOVE DOWN TO READ DRAG MULTIPLYING FACTOR (DMF) 4 MOVE UP TO READ FLAT PLATE DRAG FRONTAL AREA SQUARE FOOT LINES

23 REMARKS SECTION OGE ∆F DMF ALQ M LOAD TOTAL

24 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL VALUES OBTAINED FROM WEATHER BRIEFING CRUISE SECTION BLOCKS REQUIRED TO BE COMPUTED 0 20

25 MAX TORQUE AVAILABLE KTS TAS PLANNED CRUISE IAS 100 KTS IAS COMPUTED AS PER CLEAN CONFIGURATION IAW TC %

26 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

27 MIN/MAX IAS KTS 1 ENTER CHART AT ATF OR XMSN LIMIT 3 CONT UP TO ACFT GWT THEN LEFT TO ∆ TRQ LINE 4 MOVE UP TO ∆ TRQ 5 MULTIPLY ∆ TRQ (17) BY DMF (1.61) 6 SUBTRACT RESULT FROM MAX TRQ AVAIL OR XMSN LIMIT 7 RE-ENTER CHART AT RESULT (73%) THEN MOVE UP (FOLLOW SLANT) TO ACFT GWT 17x1.61=27% =73% 8 MOVE R/L TO NEW VH IAS 2 MOVE UP TO (ABEAM) ACFT GWT THEN R/L TO MIN SE IAS 0

28 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

29 CRUISE TORQUE 4 52% 1 ENTER CHART AT CRUISE IAS 2 MOVE LEFT TO ACFT GWT THEN DOWN TO NOTE CRUISE TORQUE 3 CONTINUE LEFT TO ∆ TRQ LINE THEN UP TO ∆ TRQ 4 MULTIPLY ∆ TRQ (4) BY DMF (1.61) THEN ADD TO CLEAN (NOTED) CRUISE TORQUE 4X1.61=6 52+6=58% TRQ

30 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

31 CONT TRQ & FUEL FLOW.96 88% 930 COMPUTED AS PER CLEAN CONFIGURATION IAW TC CRUISE IAS CRUISE TORQUE 58%

32 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

33 MAX RANGE IAS 75% 134 KTS 1 ENTER CHART ON MAX RANGE LINE AT AIRCRAFT GWT 2 MOVE DOWN TO MAX RANGE TORQUE 3 MOVE R/L TO MAX RANGE IAS 4 MULTIPLY FLAT PLATE DRAG (16.1) BY.6 THEN SUBTRACT RESULT FROM COMPUTED MAX RANGE IAS 16.1x.6= =124

34 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

35 MAX ENDURANCE-IAS/TORQUE 47% 75 KTS COMPUTED AS PER CLEAN CONFIGURATION IAW TC 1-237

36 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

37 CRITICAL TORQUE.96 COMPUTED AS PER CLEAN CONFIGURATION IAW TC % CRUISE IAS

38 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

39 2 1 ENTER CHART AT ATF OR XMSN LIMIT 2 MOVE UP TO (ABEAM) MAX END AND R/C LINE 3 MOVE LEFT TO ∆ TRQ LINE THEN UP TO ∆ TRQ 4 MULTIPLY ∆ TRQ (2) BY DMF (1.61) THEN SUBTRACT RESULT FROM MAX TRQ AVAIL OR XMSN LIMIT 2X1.61= =97% TRQ MAX ALLOW GWT/OPTIMUM IAS 5 RE-ENTER CHART AT NEW TORQUE MOVE UP (FOLLOW SLANT) TO MAX END AND R/C LINE 6 DETERMINE MAX ALLOWABLE GWT THEN MOVE RIGHT TO IAS

40 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

41 MAX R/C IAS/TORQUE COMPUTED AS PER CLEAN CONFIGURATION IAW TC LBS.98OR XMSN LIMIT 100% – 47 = 53% 1860 FPM +12 KTS = 87 KTS100% TRQ

42 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

43 .98 COMPUTED AS PER CLEAN CONFIGURATION IAW TC MAX ALT-MSL & MAX END-IAS LBS 54 KTS

44 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

45 MAX TORQUE AVAILABLE(SE) COMPUTED AS PER CLEAN CONFIGURATION IAW TC PLANNED (SE) CRUISE IAS 84 KTS TAS 80 KTS IAS 112%108%

46 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

47 MIN/MAX SE IAS 4 94 KTS KTS 1 ENTER CHART AT LOW ETF 2 MOVE UP TO ACFT GWT THEN R/L TO MIN SE IAS 3 CONTINUE UP TO ACFT GWT THEN LEFT TO ∆ TRQ LINE 7 MOVE R/L TO MAX SE IAS 4 MOVE UP TO ∆ TRQ 5 MULTIPLY ∆ TRQ (4) BY DMF (1.61) THEN SUBTRACT ½ FROM SE~30 MIN LINE TRQ (53%) 4x1.61=6 6/2=3 53-3=50 6 RE-ENTER CHART AT NEW TORQUE AND FOLLOW SLANT UP TO AIRCRAFT GWT

48 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

49 SE CRUISE TORQUE 2 48%x2=96% 1 ENTER CHART AT SE CRUISE AIRSPEED 2 MOVE LEFT TO ACFT GWT THEN DOWN TO NOTE CRUISE TORQUE AND DOUBLE 3 CONTINUE LEFT TO ∆ TRQ LINE THEN UP TO ∆ TRQ 4 MULTIPLY ∆ TRQ (2) BY DMF (1.61) THEN DOUBLE AND ADD TO NOTED CLEAN SE TRQ 2X1.61=3x2=6 96+6=102%

50 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

51 CONT TRQ & FUEL FLOW (SE).96 87% 1380/2=690 COMPUTED AS PER CLEAN CONFIGURATION IAW TC CRUISE IAS (SE) CRUISE TORQUE 102%

52 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

53 2 77 KTS SE MAX ALLOW GWT/IAS % 1 ENTER CHART AT SE ~ 30 MIN LINE USING LOW ETF 2 MOVE UP TO MAX END AND R/C LINE 3 MOVE LEFT TO ∆ LINE THEN UP TO ∆ TRQ 6 DETERMINE SE MAX ALLOWABLE GWT THEN MOVE RIGHT TO IAS 4 MULTIPLY ∆ TRQ (2) BY DMF (1.61) THEN SUBTRACT ½ FROM SE~30 MIN LINE TRQ (53%) 2x1.61=3.2/2= = RE-ENTER CHART AT NEW TORQUE MOVE UP (FOLLOW SLANT) TO MAX END AND R/C LINE

54 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

55 MAX ALT-MSL & MAX END-IAS (SE) COMPUTED AS PER CLEAN CONFIGURATION IAW TC KTS LBS

56 CRUISE SECTION OGE ∆F DMF ALQ M LOAD TOTAL

57 MAX ANGLE COMPUTED AS PER CLEAN CONFIGURATION IAW TC PA LBS

58 MAX ANGLE OGE ∆F DMF ALQ M LOAD TOTAL

59 Vne-IAS 175 KTS COMPUTED AS PER CLEAN CONFIGURATION IAW TC PA LBS

60 Vne-IAS OGE ∆F DMF ALQ M LOAD TOTAL

61 QUESTIONS?

62


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