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Rotorcraft Unique Considerations. AEA January 31, 2012. OUTLINE. Rotorcraft Unique Considerations Airplane versus Helicopter comparison. Unique Rotorcraft Considerations. Category Airplane Helicopter Concerns

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outline
OUTLINE
  • Rotorcraft Unique Considerations
  • Airplane versus Helicopter comparison
unique rotorcraft considerations
Unique Rotorcraft Considerations

Category Airplane Helicopter Concerns

VFR minimums 3 sm day Clear of clouds

91.155(b) 1 sm night EADI/PFD, TAWS

Special VFR 1 sm flight vis No visibility specified

91.157(b) daylight No time specified

Takeoff Grd Vis 1sm No visibility specified

91.157(c)

unique rotorcraft considerations1
Unique Rotorcraft Considerations

Category Airplane Helicopter Concerns

Stability Inherently Stable Limited Stability EADI / PFD

Trim Aerodynamic None – unless: SAS / AP

Temperature Airflow in flight Greenhouse effect Equip Qualification

Vibration Propeller Main/Tail rotor Equip Qualification

unique rotorcraft considerations2
Unique Rotorcraft Considerations

Category Airplane Helicopter Concerns

HIRF Dist from Xmit Fly close to XMIT Equip Qual

System Separation Adequate Limited Wire Bundle runs

Antenna Ground Plane

unique rotorcraft considerations3
Unique Rotorcraft Considerations

Category Airplane Helicopter Concerns

Takeoff Attitude Nose Up Nose Down AHRS

Rate of turn Typically 6°/s up to 60°/s AHRS

unique rotorcraft considerations4
Unique Rotorcraft Considerations

Category Airplane Helicopter Concerns

FHA Classification Class 1 No class distinction Equipment

Class 2

Class 3

Class 4

  • Class 1 - Typically SRE 6,000 pounds (lbs.) or less
  • Class 2 - Typically MRE, MTE and STE, 6,000 pounds or less
  • Class 3 - Typically SRE, STE, MRE, and MTE greater than 6,000 Lb
  • Class 4 – Communter Category