Absolute Flight Precision

The ultimate tool for performance calculations, V-Speeds, MTOW, and landing. Starship Aerocalc brings cutting-edge technology to your flight plan in seconds.

Open Calculator View Limitations
⚙️ Units:
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Real-Time Results

Our engine instantly processes complex performance tables as you enter data.

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Extreme Precision

Bi-linear interpolation and calculations based on the original Aircraft Flight Manual (AFM) charts.

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Dispatch Ready

Check exactly what equipment is required with the built-in KOEL verifier.

Takeoff Calculator

Enter planned departure conditions

FT
°C
LBS
Power (Torque)
Set before brake release
--.-%
MTOW (Climb Limit) MAX
To meet climb gradient
----- LBS
V-Speeds and Distance (TOFL)
V1--
VR--
V2--
V35--
TOFL-- FT
Stall Speed (Vs)
Idle Power
-- KIAS

Landing Performance

Distance, Weight Limits and Approach Gradients

FT
°C
LBS
KTS
% (+ Up)
Max Landing (MLW) LIMITED
Climb / Ice Limit
----- LBS
Reference Speed (VREF)
50 FT AGL / Flaps Extended
--- KTS
Landing Distance
3º Path / Dry Runway
--- FT
Approach Climb Gradient
1 Engine Inoperative / Flaps Retracted
-.-- %
Balked Landing
All Engines / Flaps Extended / Gear Down
---- FT/MIN

Wind Components

Calculate crosswind and headwind

KTS
DEGREES
Headwind
Component along the path
9.4 KTS
Crosswind
Perpendicular to path
3.4 KTS

Weight and Balance

CG Calculation for 6-Passenger Seating Configuration

Enter the load weights. The Arms (Fuselage Stations) are pre-filled based on the AFM Six Passenger Seating centroids. Moment is calculated as (Weight × Arm) / 100.

°C
JET A SPECIFIC WEIGHT 6.83 LB/GAL
Station / Item Weight (LBS) Arm (F.S.) Moment / 100
Basic Empty Weight 31871.0
Crew 143.0 243.1
Forward Baggage 182.0 0.0
Cabin - Row 1 226.0 0.0
Cabin - Row 2 267.0 0.0
Cabin - Row 3 305.0 0.0
Aft Baggage 386.0 0.0
ZERO FUEL WEIGHT 10320 241.8 24958.4
Usable Fuel 2549 304.4 7759.2
RAMP / TAKEOFF WEIGHT 12820 242.7 31108.4

Weight and Balance Diagram

Aircraft Limitations

Based on ASI and AFM operational restrictions

Dynamic Flight Limits

These values are automatically updated based on the Pressure Altitude entered in the calculator.

Maximum Speed (VMO) Red pointer on ASI (Varies with altitude)
--- KIAS
Best Single-Engine Rate of Climb (VYSE) Blue Line (Reduces 0.55 KIAS per 1000 ft)
--- KIAS

Speed Limits (KIAS)

Reference for a maximum weight of 14,900 lbs

Speed / Indication KIAS
Maneuvering Speed (VA) 181
Maximum Flap Extended (VFE)Fully extended position 180
Landing Gear Operation (VLO)Extension / Retraction 200 / 180
Landing Gear Extended (VLE) 200
Minimum Control in Air (VMCA)Flaps Extended / Retracted 89 / 94
Single White ArcVS to VFE (Flaps Retracted, Idle) 97 to 180
Double White ArcVS0 to 97 (Flaps Extended, Idle) 92 to 97

Engine Operating Limits (PT6A-67A)

Each column presents individual limits. Normal oil pressure is 90 to 135 psig at N1 speeds above 72%.

Condition SHP Torque (%) Max ITT (°C) N1 (%) N2 (RPM) Oil (PSI) Oil Temp (°C)
Starting --- --- 1000 (5s Limit) --- --- 200 (max) -40 (min)
Idle --- --- 750 65 (min) 1000 (min) 60 (min) -40 to 110
Takeoff 1200 100 850 (5m Limit) 104 1700 90 to 135 10 to 110
Maximum Continuous 1193 100 840 104 1690 90 to 135 10 to 105
Maximum Cruise 1100 97 840 104 1600 90 to 135 10 to 105
Transient --- 138 (20s Limit) 870 (20s Limit) 104 1870 (20s Limit) 40 to 200 -40 to 110

Additional Systems

  • Usable Fuel: 565 gallons or 3785 pounds (At 6.7 lbs/gallon). Each main tank holds 282.5 gallons (1892.5 lbs).
  • Starter Limits: 30s ON, 5min OFF / 30s ON, 5min OFF / 30s ON, followed by 30 minutes OFF.
  • Generator Limits (Ground): If Load ≤ 50% → Min N1: 65%. If Load > 50% → Min N1: 72%.
  • Generator Limits (Flight): Load > 50% → Min N1 80% (S.L. to 25,000ft) / Min N1 90% (Above 25,000ft).

Emergency Procedures

Immediate action items are indicated in RED

Affected Engine:
1. Condition Lever FUEL CUTOFF
2. Propeller Lever FEATHER
3. Firewall Fuel Valve PUSHED CLOSED
4. Extinguisher (if fire warning persists) PUSH
5. Engine Auto-ignition OFF
6. Autofeather OFF
7. Propeller Sync OFF
8. Generator OFF
9. Electrical Load MONITOR
10. Bleed Air Valves SELECT L/R TO OPERATING ENGINE
Affected Engine:
1. Condition Lever FUEL CUTOFF
2. Firewall Fuel Valve PUSH CLOSED
3. Ignition and Engine Start Switch STARTER ONLY
4. Extinguisher (if fire warning persists) PUSH
1. Power Levers GROUND FINE
2. Brakes MAXIMUM
1. Power MAXIMUM ALLOWABLE
2. VR Speed ROTATE TO ~8° PITCH
3. Landing Gear (when positive climb established) UP
4. Airspeed MAINTAIN V2
5. Propeller (inoperative engine) VERIFY FEATHERED
WARNING
Do not retard the failed engine power lever until the autofeather system has completely stopped propeller rotation.
6. Flap/Fwd Wing (at 400 feet AGL) RETRACT
7. Airspeed ACCELERATE TO VYSE (BLUE LINE)
8. Power MAXIMUM CONTINUOUS
9. Clean-up (inoperative engine after reaching 1500 feet AGL):
a. Condition Lever FUEL CUTOFF
b. Firewall Fuel Valve PUSH CLOSED
c. Engine Auto-ignition OFF
d. Autofeather OFF
e. Propeller Sync OFF
1. Reduce power on operative engine as required to maintain control.
2. Lower nose to accelerate above VMCA.
3. Adjust power as required.
4. Secure affected engine as in ENGINE FIRE OR FAILURE IN FLIGHT.
OIL PRESSURE LOW:
1. Oil Pressure Display CONFIRM BELOW 60 PSI
2. If Confirmed SECURE ENGINE OR LAND ASAP
FUEL PRESSURE LOW:
1. Standby Pump (Failed Side) ON
2. Check FUEL PRES LO annunciator EXTINGUISHED
If annunciator does not extinguish:
3. Altitude MAINTAIN MIN. SAFE
4. Land at nearest suitable airport
1. OXYGEN:
a. Crew (Diluter Demand Masks) DON MASK (EMERG POS)
b. Mic Selector Switch OXY MASK
c. Audio Speaker ON
System Configuration:
2. Panel/Overhead Air Vents OPEN
3. Pilot Air PULL ON
4. Defrost Air PULL ON
If ELECTRICAL:
5. Bleed Air Valves HIGH FLOW
6. Auto Temp CKPT FULL INCR
7. L Gen and R Gen OFF
8. Cockpit/Lavatory Door OPEN
9. Nonessential Electrical OFF
If smoke persists: TURN CLOCKWISE TO INCREASE CABIN ALT. Land ASAP.
If ENVIRONMENTAL:
5. Bleed Air Valves SELECT L ENG
6. Cabin/Cockpit Blowers HIGH
7. Cockpit/Lavatory Door OPEN
If smoke persists: SELECT R ENG. If decreases: operate right ON.
EMERGENCY DESCENT:
1. Oxygen CREW REQUIRED
2. Power Levers IDLE
3. Propeller Levers FULL FORWARD
4. Airspeed LOWER OF 200 KTS OR VMO
5. Landing Gear DN
GLIDE (Dual Engine Failure):
1. Landing Gear UP
2. Flap/Fwd Wing RETRACT
3. Propellers FEATHERED
4. Airspeed 130 KNOTS
1. Generators RESET, THEN ON
If either generator will reset:
2. Do not exceed 100% load on operating generator.
Minimum N1: 80% (Up to 25k ft) / 90% (Above 25k ft)
If neither generator will reset:
3. Non-essential Equipment OFF
4. No. 1 or No. 2 RTU ENG DATA
5. Pilot SDU REQ. NAV DISPLAY
6. Refer to LOAD MANAGEMENT. Land ASAP.
1. Battery Switch OFF
2. BATT CHG RATE Annunciator EXTINGUISHED
If BATT CHG RATE annunciator does not extinguish:
3. Land at the nearest suitable airport.
If autopilot is not engaged:
1. Pitch Trim Power Switch OFF/RESET
2. Pitch Trim Power Switch NORM TO RESET SYSTEM
If annunciator illuminates again:
3. Pitch Trim Power Switch STBY
4. Pitch Trim Standby Switches RETRIM
If autopilot is engaged:
5. Autopilot DISENGAGE
If still illuminated, trim failure detected by manual system. See steps 1-4.
If extinguishes, trim failure detected by autopilot:
6. Autopilot RE-ENGAGE
If illuminates again:
7. Autopilot DISENGAGE
1. Airplane Attitude (using pitch control) MAINTAIN
2. Control Wheel Interrupt Button DEPRESS AND HOLD
3. Determine Cause of Malfunction:
If L STALL WRN FAIL illuminates after the button has been depressed (8-10s):
4. Release Control Wheel Interrupt Button.
5. Land at the nearest suitable airport.
If L STALL WRN FAIL does NOT illuminate (Pitch Trim runaway):
6. Pitch Trim Power Switch STBY
7. Control Wheel Interrupt Button RELEASE
8. Pitch Trim Standby Switches RETRIM
If autopilot is not engaged:
1. Roll or Rudder Trim Power Switch OFF/RESET
2. Roll or Rudder Trim Power Switch NORM TO RESET SYSTEM
If annunciator illuminates again:
3. Roll or Rudder Trim Power Switch OFF/RESET
4. Airspeed REDUCE SPEED BELOW 160 KNOTS
If autopilot is engaged:
5. Autopilot DISENGAGE
If still illuminated, trim failure detected by manual system. See steps 1-4.
If extinguishes, trim failure detected by autopilot:
6. Autopilot RE-ENGAGE
If illuminates again:
7. Autopilot DISENGAGE
1. Airplane Attitude (using roll / rudder control) MAINTAIN
2. Control Wheel Interrupt Button DEPRESS AND HOLD
3. Roll or Rudder Trim Power Switch OFF/RESET
4. Airspeed REDUCE SPEED BELOW 160 KNOTS
1. Airplane Attitude (using pitch/roll control) MAINTAIN
2. Control Wheel Interrupt Button DEPRESS AND HOLD
3. Flap Control Circuit Breaker (left panel) PULL
4. Control Wheel Interrupt Button RELEASE
5. Airplane Trim AS REQUIRED
6. Airspeed 180 KNOTS MAXIMUM
7. Approach USE FLAPS-RETRACTED PROCEDURE
Additional Procedures with Airframe Ice:
8. Cycle boots prior to landing.
9. Approach Speed VREF +15 KIAS
1. Control Wheel Disconnect Button DEPRESS
2. Airplane Attitude RECOVER
3. On An Instrument Approach EXECUTE MISSED APPROACH
1. Power Levers AS REQUIRED (MAINTAIN SPD/ALT)
2. Inoperative Engine VERIFY
3. Propeller Lever (Inoperative Engine) FEATHER
4. Follow the Engine Failure Procedures in this section.

Equipment Requirements

Kinds of Operations Equipment List (KOEL)