Sky hawk - 172SP

Propeller Ground Clearance

11 ft and 1/4 inch

Horizontal Stabilizer Width

11 ft and 4 inches

Fuel Quantity (Minimum)

1.5 gal unusable each tank

Vfe (Maximum Flap Extended Speed)

10 flaps - kcas: 107, kias: 110 10 to 30 flaps - kcas: 85, kias: 85

Wing Flap System Circuit

10- ampere circuit breaker

Fuel Grade

100 LL Aviation Grade (Blue) 100 Aviation Grade (Green)

Normal Category: Maneuvers (Chandelles and Lazy Eights)

105 knots

Utility Category: Maneuvers (Chandelles and Lazy Eights)

105 knots

Normal Ground Attitude - Nose Strut

2 inches of strut and wings level

Tachometer: Sea Level

2100 - 2500 RPM

Tachometer: 5000 ft

2100 - 2600 RPM

Tachometer: 10,000 ft

2100 - 2700 RPM

Static RPM at full throttle is...

2300-2400 RPM

Max. Recommended Turbulent Air Penetration Speed (2550 lbs, 2200 lbs, 1900 lbs)

2550 - 105 KIAS 2200 - 98 KIAS 1900 - 90 KIAS

Max. Weight - Take off and Landing

2550 lbs

Va (maneuvering speed)

2550 lbs - kcas: 102, kias: 105 2200 lbs - kcas: 95, kias: 98 1900 lbs - kcas: 88, kias: 90

Max. Weight - Ramp

2558 lbs

Pivot Point to outboard wing tip

27 ft - 5 and 1/2 inches

Prop spinner to vertical stabilizer length

27 ft and 2 inches

Tachometer Red Line (Maximum)

2700 RPM

Electrical System

28 volt system, 24 volt battery, 60 amp alternator

Weight in Baggage Area 2 (Station 108-142)

50 lbs

Stall Speed - Flaps Up, Power Off

53 kts

Max useful load (Utility Category)

545 lbs

Short field takeoff, flaps 10, speed at 50ft

56 KIAS

Fuel Capacity

56 gal (28 gal each tank), 53 gal usable (26.5 each tank)

Landing - Ground Roll

575 ft

Balked Landing: Max. power, Flaps 20

60 KIAS

Normal Approach, Flaps 30

60-70 KIAS

Short-Field Approach, Flaps 30

61 KIAS

Best angle of climb (sea level)

62 KIAS

Wheel Base Length

65 inches

Normal Approach, Flaps Up

65-75 KIAS

Best angle of climb (10,000 ft)

67 KIAS

climb flaps up - normal (10,000 ft)

70-80 KIAS

Best Rate of Climb (10,000 ft)

72 KIAS

Rate of Climb at Sea Level

730 FPM

Best Rate of Climb (Sea level)

74 KIAS

Normal climb out

75-85 KIAS

climb flaps up - normal (sea level)

75-85 KIAS

Vertical stabilizer to wheel base length

8 ft and 11 inches

Oil Capacity

8 quarts

Max. Useful Load (Normal Category)

895 lbs

Take Off - Ground roll

960 ft

Flap Limitations - Approved takeoff range

0 to 10 flaps

Flap Limitations - Approved Landing range

0 to 30 flaps

Baggage Allowance

120 lbs

Weight in Baggage Area 1 (Station 82-108)

120 lbs

Speed, Cruise, 75% Power at 8500 FT

124 kts

Speed - Max at Sea Level

126 kts

Yellow arc on airspeed indicator

129 - 163 kias

Landing - Total Distance Over 50 ft Obstacle

1335 ft

Service ceiling

14,000 feet

Power Loading - lbs/hp

14.2 - lbs/hp

Wing Loading - lbs/sq.ft

14.7 lbs/sq.ft

Max Demonstrated Crosswind Velocity (Takeoff or Landing)

15 knots

Red line on airspeed indicator

163 kias

Take off - Total Distance Over 50 ft Obstacle

1630 ft

Standard Empty Weight

1663 lbs

Wing area

174 sq ft

Horse Power Rating and Engine Speed

180 BHP at 2700 RPM

Propeller Model Number

1A170E/JHA7660

Number of Blades

2

Center of Gravity (Forward) - Utility Category

35.0 inches aft of datum at 1950 lbs 37.5 inches aft of datum at 2200 lbs

Center of Gravity (Forward) - Normal Category

35.0 inches aft of datum at 1950 lbs 41.0 inches aft of datum at 2550 lbs

Wing Span

36 ft and 1 inch

Vacuum Gage

4.5-5.5 inHg

White arc on airspeed indicator

40 - 85 kias

Center of Gravity (Aft) - Utility Category

40.5 inches aft of datum at all weights

Center of Gravity (Aft) - Normal Category

47.3 inches aft of datum at all weights

Green Arc on airspeed indicator

48 - 129 kias

Stall Speed - Flaps Down, Power Off

48 kts

Ground Control

Arc of approximately: 10 degrees each side of center. Degree of turn may be increased up to 30 degrees each side of center.

Normal Category - Flight Load Factors (Flaps Up and Down)

Flaps Up: +3.8g, -1.52g Flaps Down: +3.0g

Utility Category - Flight Load Factors (Flaps Up and Down)

Flaps Up: +4.4g, -1.76g Flaps Down: +3.0g

Engine Model Number

IO-360-L2A

Fuel (Additives)

Isoprophyl alcohol or diethylene glycol monomethyl ether may be added - must not exceed 1% alcohol or 0.15% of total volume.

Vno (Max. structural cruising speed)

Kcas: 126, Kias: 129

Vne (Never-exceed speed)

Kcas: 160, Kias: 163

Maximum Window Open Speed

Kcas: 160, kias: 163

Reference Datum:

Lower portion of front face of fire wall

Oil Specifications

MIL-L-6082/SAE 1966 (Aviation Grade Straight Mineral Oil) - 25 hours MIL-L-22851/SAE 1899 (Aviation Grade Ashless Dispersant Oil) - 50 hours

Propeller Diameter

Max: 76 inches, Min: 75 inches

Propeller Manufacturer

McCauley Propeller Systems

Oil Pressure

Min: 20 PSI Normal ( Green Arc ) : 50 to 90 PSI Max: 115 PSI

Takeoff and Landing Weight (Normal and Utility Category)

Normal - 2550 lbs Utility - 2200 lbs

Ramp Weight (Normal and Utility Category)

Normal - 2558 lbs Utility - 2208 lbs

Fuel Flow

Normal Op: 0-12 GPH

Oil Temp

Normal: 100-245 F Max: 245 F

Engine Type

Normally Aspirated, Direct Drive, Air Cooled, Horizontally Opposed, Fuel Injected, 4 cylinder engine with 360 cu. in. displacement

Magneto Check

RPM drop should not exceed 150 RPM Max differential 50 RPM

Cruise - 75% power at 8500 ft, 53 gal usable fuel (Range and Time)

Range - 518 nm Time - 4.26 hrs

Cruise - range at 10,000 ft, 45% power (Range and Time)

Range - 638 nm Time - 6.72 hrs

Utility Category: Maneuvers (Steep Turns, Spins and Stalls except whip stall)

Steep Turns - 95 knots Spins - Slow deceleration Stalls (Except whip stall) - Slow Deceleration

Normal Category: Maneuvers (Steep Turns and Stalls except whip stall)

Steep Turns - 95 knots Stalls (Except whip stall) - Slow Deceleration

Engine Manufacturer

Textron Lycoming