341 

Federal Aviation Administration, DOT 

Pt. 60, App. C 

1.b.2. ..........

Rate of Turn vs. Pedal De-

flection, Brake Application, 
or Nosewheel Angle, as 
applicable.

±

10% or 

±

2

°

/sec. Turn Rate. 

Ground Takeoff .....................

If brakes are used, brake 

pedal position and brake 
system pressure must be 
matched to the helicopter 
flight test value. 

X X X 

1.b.3. ..........

Taxi ........................................

Pitch Angle—

±

1.5

°

, Torque— 

±

3%, Longitudinal Control 

Position—

±

5%, Lateral 

Control Position—

±

5%, Di-

rectional Control Position— 

±

5%, Collective Control Po-

sition—

±

5%.

Ground ...................................

Record results for control po-

sition and pitch attitude 
during ground taxi for a 
specific ground speed, 
wind speed and direction, 
and density altitude. 

X X X 

1.b.4. ..........

Brake Effectiveness ...............

±

10% of time and distance. 

Ground ...................................

X 

X 

X 

1.c. ..............

Takeoff 
When the speed range for the following tests is less than 40 knots, the applicable airspeed tolerance may be applied to either airspeed or ground speed, as appropriate. 

1.c.1. ...........

All Engines ............................

Airspeed—

±

3 kt, Altitude— 

±

20 ft (6.1m), Torque— 

±

3%, Rotor Speed—

±

1.5%, 

Vertical Velocity—

±

100 fpm 

(0.50m/sec) or 10%, Pitch 
Attitude—

±

1.5

°

, Bank Atti-

tude—

±

2

°

, Heading—

±

2

°

, 

Longitudinal Control Posi-
tion—

±

10%, Lateral Control 

Position—

±

10%, Direc-

tional Control Position— 

±

10%, Collective Control 

Position—

±

10%.

Ground/Takeoff and Initial 

Segment of Climb. 

Record results of takeoff 

flight path as appropriate to 
helicopter model simulated 
(running takeoff for Level 
B, takeoff from a hover for 
Level C and D). For Level 
B, the criteria apply only to 
those segments at air-
speeds above effective 
translational lift. Results 
must be recorded from the 
initiation of the takeoff to at 
least 200 ft (61m) AGL. 

X X X 

1.c.2. ...........

One Engine Inoperative con-

tinued takeoff. 

Airspeed—

±

3 kt, Altitude— 

±

20 ft (6.1m), Torque— 

±

3%, Rotor Speed—

±

1.5%, 

Vertical Velocity—

±

100 fpm 

(0.50m/sec) or 10%, Pitch 
Attitude—

±

1.5

°

, Bank Atti-

tude—

±

2

°

, Heading—

±

2

°

, 

Longitudinal Control Posi-
tion—

±

10% Lateral Control 

Position—

±

10%, Direc-

tional Control Position— 

±

10%, Collective Control 

Position—

±

10%.

Ground/Takeoff; and Initial 

Segment of Climb. 

Record takeoff flight path as 

appropriate to helicopter 
model simulated. Results 
must be recorded from the 
initiation of the takeoff to at 
least 200 ft (61m) AGL. 

X 

X 

X  Because several kinds of 

takeoff procedures can be 
performed, the specific 
type of takeoff profile 
should be recorded to en-
sure the proper takeoff pro-
file comparison test is 
used. 

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