Gulfstream G550 Pilot Training Study Notes

FlightSafety International - Gulfstream G550 Pilot Training Study Notes

G550 Limitations

Airspeed Limits

  • Flight Levels Airspeed Limits:

    • FL290: Vmo 0.85 ( KCAS )

    • FL320: Vmo 0.885 ( KCAS )

    • FL440: Vmo 0.86 ( KCAS )

    • FL510: Vmo 0.85 ( KCAS )

  • Vmo Above and Below 8,000 ft:

    • Above 8,000 ft: 340 KCAS

    • Below 8,000 ft: 300 KCAS

  • Minimum Control Speeds:

    • Air (Vmca): 112 KCAS

    • Landing (Vmcl): 110 KCAS

    • Ground (Vmcg) at Sea Level: 107 KCAS

    • Ground (Vmcg) at 15,000 ft: 0.86 KCAS

    • Note: Vmcg decreases linearly at approximately 1 knot per 1,000 ft from sea level to 15,000 ft

  • Maneuvering Speed (Va):

    • Va: 206 KCAS

  • Turbulence Penetration Speed (Vb):

    • Vb: 270 KCAS / 0.80 MT above 10,000 ft

    • Vb: Tire speed 240 KCAS < 10,000 ft; 160 KCAS above 10,000 ft

  • Holding in Icing Conditions:

    • Minimum Mach Trim Inoperative: 0.80 MT

Operational Limitations

  • Maximum Operating Altitudes:

    • General: 51,000 ft

    • Single Pack Operations: 48,000 ft

    • Internal Baggage Door open: above 40,000 ft for 5 minutes

    • With one ECS pack, no entry above 45,000 ft

  • Yaw Damper Inoperative Limitations:

    • Maximum > 10,000 ft: 260 KCAS / 0.80

    • Maximum < 10,000 ft: see chart

    • Minimum > 20,000 ft: 210 KCAS

APU Limitations

  • APU Operating Altitude:

    • Maximum: 45,000 ft

    • Guaranteed Start Altitude: 39,000 ft (may start up to 43,000 ft)

  • Electrical Load:

    • 100% Sea level up to 45,000 ft

    • Note: APU may assist with engine airstarts below 30,000 ft, with a max altitude of 25,000 ft for such starts

  • APU Starter Limitations:

    • Continuous operation power limit: 3 consecutive start attempts followed by 1 hour of cooldown

    • External DC power source operation: max 3 start attempts with 15 minutes cooldown between

    • Maximum of 6 successful consecutive starts allowed within 10 minute intervals per start

Anti-Icing System

  • Cowl Anti-Ice Activation:

    • When SAT is 10° C or below and moisture is present

  • Wing Anti-Ice Activation:

    • When icing conditions are imminent or detected immediately

Engine Limitations

  • Fuel Temperature:

    • Maximum: 140°C

    • Minimum: -40°C

    • Fuel temperature of up to 165°C permissible for a max of 15 minutes

Engine Oil Temperature Limitations

  • Maximum Oil Temperature:

    • 160°C

  • Minimum Oil Temperature for Starting:

    • -30°C

  • Minimum Oil Temperature for Takeoff Power (T/O PWR):

    • 20°C

Engine Oil Pressure Limitations

  • Pressure during Takeoff:

    • Minimum: 35 PSI < 72.3 HP

    • Minimum: 45 PSI > 90 HP

  • Continued Flight:

    • Minimum: 25 PSI < 72.3 HP

    • Minimum: 35 PSI > 90 HP

Fuel System Limitations

  • Boost Pumps Requirement:

    • All operable boost pumps must be ON during all flight phases unless fuel balancing is in progress

    • Caution: Engines will only run on suction fuel feed at or below 20,000 ft; above this altitude, erratic operation can occur unless crossflow is open with at least one boost pump on

Flaps Limitations

  • Flap Extending Speeds:

    • 10°: 250 KCAS / 0.60 MT

    • 20°: 220 KCAS / 0.60 MT

    • 39°: 170 KCAS / 0.60 MT

  • Speed Brakes Limitations:

    • Not allowed with landing gear extended and/or full flaps

  • Icing Conditions Use:

    • Use limited to Takeoff, Approach, and Landing phases

Ground Spoilers

  • Inop Ground Spoilers Conditions:

    • Allowed if anti-skid is operative and 20° flaps are used, without cowl and wing anti-ice systems active

    • For touch-and-go context: Ground Spoilers switch must be OFF and manual spoiler landing distances must be considered

Electrical Limitations

  • HMG Operation:

    • When in operation, speed brakes may be used, but operation must be slow (approximately 3 seconds for full range movement)

    • Do not operate HMG when normal AC power is available, except during L or R ESS DC Bus Failure

Pressurization Limitations

  • Maximum Cabin Pressure Differential:

    • 10.48 PSID

  • Taxiing/Takeoff/Landing Differential:

    • 0.3 PSID

Static Ground Run Limitations

  • Static Operation:

    • Stabilized operation between 66% and 80% LP RPM fan speed is prohibited; any acceleration or deceleration through this band must not exceed 10 seconds and must apply to forward thrust only

Takeoff and Landing Limitations

  • Takeoff in Alt Control mode:

    • Prohibited

  • Crosswind Takeoff Limitations:

    • With crosswinds above 20 knots, fan speed must be below 66% LP RPM until reaching a forward speed of 20 knots

    • Add 600 ft. to required field length when using this procedure

Maximum Demonstrated Crosswind Component:

  • Takeoff and Landing:

    • 28 knots demonstrated for both with tiller steering; operation above 60 KCAS is not recommended

Single Engine Operations

  • Single Engine Inoperative TCAS Settings:

    • Select TA only as TCAS operating inoperative

Autopilot and Auto Throttle Limitations

  • Autopilot Activation:

    • Minimum engage height: 200 ft AGL on takeoff

    • Minimum disengage height: 60 ft AGL for ILS/MLS/LPV Approach and 50 ft below MDA/DA for LNAV/VNAV approaches

    • Minimum demonstrated altitude loss for coupled go-around: 60 ft

  • Auto Throttle Availability:

    • Available from Takeoff to Landing, except during single-engine approach

Weather Radar Limitations

  • Safety Distance:

    • 300 ft from refueling operations

    • 49 ft with a 24 inch antenna installed

    • 33 ft with an 18 inch antenna installed

Miscellaneous Limitations

  • Flight Crew and Passengers:

    • Minimum flight crew: pilot and co-pilot

    • Maximum passengers: 19

    • Maximum occupants: 22

  • Slope Operations:

    • Maximum slopes approved for takeoff and landing are +2% (uphill) and -2% (downhill)

Engine Operation Conditions

  • Conditions and Limits Overview:

    • Maximum Ground TGT: 700°C

    • Maximum Start TGT: 150°C

    • Maximum Relighting TGT (Airstart): 850°C

    • Maximum Takeoff TGT: 900°C

    • Maximum Continuous TGT: 860°C

    • Maximum Overspeed TGT: 905°C

  • Thrust Reversers:

    • Static operation of thrust reversers is limited to idle; not approved for power back

Aircraft Weights (G550)

  • Weight Limits Overview:

    • Zero Fuel: 54,500 lbs

    • Ramp Weight: 85,500 lbs

    • Takeoff Weight: 85,100 lbs

    • Landing Weight: 75,300 lbs

    • Maximum Fuel Imbalance Weight Takeoff: 1,000 lbs

    • Maximum Fuel Imbalance Weight In-flight: 2,000 lbs

  • Fuel Capacity Weights:

    • Maximum Fuel: 41,300 lbs

Aircraft Dimensions

  • Overall dimensions include:

    • Wing Span: 93 ft 6 in (28.48 m)

    • Length: 96 ft 5 in (29.38 m)

    • Height: 25 ft 11 in (7.9 m)

  • Interior Dimensions:

    • Cabin Height: 6 ft 2 in (1.88 m)

    • Cabin Width: 7 ft 7 in (2.31 m)

    • Cabin Length: 45 ft (13.72 m)