Virtual PFD Complete Situational Awareness
We're developing a revolutionary Primary Flight Display with precise artificial horizon, airspeed, altitude, vertical speed, magnetic heading, and G-force indicators. Coming soon to Pilot Kit!
Planned Features
The PFD is the central instrument in modern aircraft, consolidating critical flight information on a single display. It combines artificial horizon, airspeed, altimeter, vertical speed, heading, and attitude in an integrated display for maximum efficiency and situational awareness.
Glass Cockpit Technology
Modern interface that replaces traditional analog instruments with integrated digital displays.
Real-Time Data
Instant updates of all flight parameters for quick and precise decision making.
Enhanced Awareness
Clear, consolidated visualization reduces cognitive load and improves decision making.
Complete Integrated Instruments
The most critical instrument, showing aircraft attitude relative to the real horizon. Uses device gyroscopes and accelerometers for precise pitch and bank representation.
- • Blue/brown display: Clearly distinguishable sky and ground
- • Pitch markings: Increments of 2.5°, 5°, 10°, 15°, 20°
- • Bank index: ±10°, ±20°, ±30°, ±45°, ±60°
- • Fixed aircraft symbol: Yellow center reference
- • Real-time update: 30+ Hz for smooth response
Shows current aircraft speed based on GPS data. Essential for maintaining safe and efficient operating speeds during all phases of flight.
- • Dynamic scale: Automatic range adjustment
- • Configurable units: Knots, MPH, km/h
- • 10-unit increments: Quick and precise reading
- • Digital speed box: Exact value highlighted
- • GPS-based: Precise groundspeed independent of pitot
Precise altitude using device barometer or GPS. Fundamental for traffic separation, ATC clearances, and safe operations in mountainous terrain.
- • Barometric source: Uses phone pressure sensor
- • GPS fallback: Geometric altitude when barometer unavailable
- • Tape scale: Markings every 100 feet
- • Digital display: Exact reading to 1 foot
- • Kollsman adjustment: QNH setting (if available)
Indicates rate of climb or descent in feet per minute. Crucial for maintaining stable vertical speeds during approaches, climbs, and descents.
- • Typical range: ±2000 fpm with automatic expansion
- • Instantaneous indication: No lag typical of mechanical VSI
- • Major markings: 0, ±500, ±1000, ±1500, ±2000 fpm
- • Digital value: Precise current VSI reading
- • Color coding: Green (normal), yellow (high), red (extreme)
Digital compass showing current magnetic heading. Uses calibrated device magnetometer for precise navigation and course maintenance.
- • Magnetic heading: Compensated for local declination
- • Complete compass rose: 360° with markings every 5°
- • Highlighted cardinal points: N, S, E, W, NE, SE, SW, NW
- • Course indicator: Fixed top reference line
- • Digital display: Exact heading in numeric degrees
Shows rate of turn and aircraft coordination. Essential for coordinated turns and avoiding skids or slips that can lead to dangerous situations.
- • Miniature aircraft symbol: Banks with rate of turn
- • Standard rate markings: 3° per second
- • Slip ball: Indicates turn coordination
- • Skid/slip detection: Alerts for lack of coordination
- • Numeric turn rate: Exact degrees per second
Monitors G-forces experienced by aircraft. Important for aerobatic training, structural envelope awareness, and overload prevention.
- • Real-time display: Current vertical G
- • Peak recording: Maximum and minimum G of flight
- • Limit alerts: Warnings for operation outside normal range
- • ±0.1G precision: Reliable measurement up to 10G+
- • Flight history: Complete log for post-flight review
Attitude and Heading Reference System uses sensor fusion for precise attitude. Combines accelerometer, gyroscope, and magnetometer with advanced Kalman filter algorithms.
- • Multi-sensor fusion: Accelerometer + gyroscope + magnetometer
- • Extended Kalman filter: Noise and drift reduction
- • Automatic calibration: Adapts to different devices
- • Vibration compensation: High-frequency filtering
- • High update rate: 50-100 Hz depending on hardware
Technical Specifications
• 3-axis Accelerometer
• 3-axis Gyroscope
• 3-axis Magnetometer
• Barometer (pressure)
• GPS / GNSS
• Horizon: 30-60 Hz
• Airspeed: 1-10 Hz (GPS)
• Altitude: 1-10 Hz
• Heading: 10-50 Hz
• G-Forces: 30-60 Hz
• Pitch/Bank: ±2-5°
• GPS Speed: ±1-3 knots
• Barometric Altitude: ±10-50 ft
• Magnetic Heading: ±5-10°
• G-Forces: ±0.1G
• iOS 12+ or Android 7+
• Integrated GPS
• Motion sensors
• Screen: 5" minimum recommended
• Memory: 100MB available
• Portrait or landscape mode
• Automatic day/night
• Battery saver mode
• Flight recording
• Optional map overlay
• Works 100% offline
• External AHRS support (planned)
• Flight data export
• Cloud sync
• Logbook integration
Virtual PFD vs. Traditional Instruments
Comparison between our smartphone virtual PFD and certified analog/digital instruments
| Feature | Virtual PFD (Pilot Kit) | Analog Instruments | Certified Glass Cockpit |
|---|---|---|---|
| Acquisition cost | Free | $5,000 - $20,000 | $50,000 - $150,000+ |
| FAA/EASA Certification | ❌ Not certified | ✅ TSO certified | ✅ TSO certified |
| Installation required | No (portable) | Yes (panel) | Yes (integrated) |
| Portability between aircraft | ✅ Total | ❌ Fixed | ❌ Fixed |
| Display update rate | 30-60 Hz | Mechanical (lag) | 30-60 Hz |
| Power source | Internal battery | Aircraft electrical | Aircraft electrical |
| Backup in electrical failure | Yes (independent) | Partial (vacuum) | Backup battery |
| Maintenance | None | Regular (expensive) | Periodic (expensive) |
| Flight data recording | ✅ Included | ❌ No | Optional (addon) |
| Logbook integration | ✅ Automatic | ❌ Manual | Possible |
| Legal use as primary | ❌ Backup only | ✅ Yes | ✅ Yes |
| Ideal for | Training, VFR backup | Certified aviation | Modern aviation |
Important Note: Pilot Kit's Virtual PFD is excellent as a training tool and additional situational awareness, but should NEVER replace certified instruments in actual flight operations. Certified instruments are legally required for VFR and IFR flights.
Ideal Use Cases
Perfect for student pilots: Practice reading and interpreting instruments at home or in flight simulators.
- • Familiarization with glass cockpit layout
- • Training scan patterns (T-scan, radial scan)
- • Unusual attitude recognition
- • Instrument failure simulation
- • Checkride practical preparation
Non-certified backup for VFR flights: Additional reference during visual flights in good weather conditions.
- • Attitude confirmation in turbulent flights
- • Altitude and airspeed awareness
- • Heading monitoring on cross-country flights
- • Turn coordination verification
- • Flight parameter recording for review
Detailed performance review: Analyze your flight technique with recorded data and complete statistics.
- • Landing technique review (approach profile)
- • Turn coordination analysis
- • Identification of bad habits
- • Sharing with instructor
- • Progress tracking over time
Economical solution for experimental aviation: Basic instrumentation for aircraft without full panels.
- • Ultralights with minimal instrumentation
- • Experimental aircraft under construction
- • Initial test flights (always with backup)
- • Paramotor and powered hang gliders
- • Light balloons and airships (altitude and VSI)
Advanced Sensor Technology
Understand how we transform smartphone sensors into functional AHRS system
Modern smartphones contain high-quality MEMS (Micro-Electro-Mechanical Systems) sensors. Our algorithm combines data from multiple sensors to compensate for individual limitations:
🔄 Gyroscope
Measures angular rotation velocity. Excellent short-term response but suffers from cumulative drift over time.
⚖️ Accelerometer
Detects acceleration and gravity. Provides absolute "down" reference but sensitive to dynamic acceleration.
🧭 Magnetometer
Detects Earth's magnetic field. Provides absolute north reference but vulnerable to metallic interference.
The Extended Kalman Filter mathematically combines these sensors, using the strengths of each to compensate for the weaknesses of others. The result is more precise and stable attitude estimation than any individual sensor could provide.
Aircraft produce significant vibration, especially from piston engines. We implement multiple layers of filtering:
- • Low-pass filter: Removes high-frequency noise (engine vibration 50-200 Hz)
- • Moving average: Smooths rapid fluctuations while maintaining responsiveness
- • Outlier detection: Identifies and discards obviously incorrect readings
- • Dynamic adaptation: Adjusts filter parameters based on detected flight conditions
Each device has unique sensor characteristics. Our system performs:
- • Initial calibration: Determines bias and scale of each sensor on first use
- • Temperature compensation: Adjusts for thermal drift of MEMS sensors
- • Hard/soft iron correction: Compensates for device's own magnetic distortion
- • Automatic recalibration: Continuously updates parameters during stable flight
Known Limitations
Be an informed pilot - understand smartphone sensor limitations
⚠️ Limitations Conclusion: Virtual PFD is an excellent educational tool and additional awareness, but these limitations reinforce why it CANNOT replace certified instruments in actual operations. Use wisely and always prioritize safety.
Available Now in Pilot Kit
While waiting for Virtual PFD, explore our powerful features already available
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Learn MoreFrequently Asked Questions
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