aerospace-expert

What this skill does

# Aerospace Expert

Expert guidance for aerospace systems, flight management, maintenance tracking, aviation safety, air traffic control systems, and aerospace software development.

## Core Concepts

### Aerospace Systems
- Flight Management Systems (FMS)
- Maintenance, Repair, and Overhaul (MRO)
- Air Traffic Control (ATC) systems
- Aircraft Health Monitoring
- Flight Operations Quality Assurance (FOQA)
- Crew resource management
- Ground handling systems

### Aviation Technologies
- Avionics systems
- ACARS (Aircraft Communications Addressing and Reporting System)
- ADS-B (Automatic Dependent Surveillance-Broadcast)
- Flight data recorders (black boxes)
- Weather radar systems
- Autopilot and fly-by-wire
- Satellite communications

### Standards and Regulations
- FAA regulations (Federal Aviation Administration)
- EASA standards (European Union Aviation Safety Agency)
- ICAO standards (International Civil Aviation Organization)
- DO-178C (software airworthiness)
- DO-254 (hardware airworthiness)
- SPEC-42 (maintenance tracking)
- ATA chapters (maintenance organization)

## Flight Management System

```python
from dataclasses import dataclass
from datetime import datetime, timedelta
from typing import List, Optional, Tuple
from decimal import Decimal
from enum import Enum
import numpy as np

class FlightPhase(Enum):
    PRE_FLIGHT = "pre_flight"
    TAXI = "taxi"
    TAKEOFF = "takeoff"
    CLIMB = "climb"
    CRUISE = "cruise"
    DESCENT = "descent"
    APPROACH = "approach"
    LANDING = "landing"
    COMPLETED = "completed"

class FlightStatus(Enum):
    SCHEDULED = "scheduled"
    BOARDING = "boarding"
    DEPARTED = "departed"
    EN_ROUTE = "en_route"
    DELAYED = "delayed"
    ARRIVED = "arrived"
    CANCELLED = "cancelled"

@dataclass
class Waypoint:
    """Navigation waypoint"""
    name: str
    latitude: float
    longitude: float
    altitude_ft: int
    estimated_time: datetime

@dataclass
class Flight:
    """Flight information"""
    flight_number: str
    aircraft_id: str
    aircraft_type: str
    departure_airport: str
    arrival_airport: str
    scheduled_departure: datetime
    scheduled_arrival: datetime
    actual_departure: Optional[datetime]
    actual_arrival: Optional[datetime]
    status: FlightStatus
    route: List[Waypoint]
    crew_members: List[str]
    passenger_count: int
    cargo_weight_kg: float

@dataclass
class FlightPlan:
    """Filed flight plan"""
    flight_plan_id: str
    flight_number: str
    aircraft_id: str
    departure: str
    destination: str
    alternate_airports: List[str]
    route_string: str
    cruise_altitude_ft: int
    cruise_speed_kts: int
    estimated_flight_time: timedelta
    fuel_required_kg: float
    filed_at: datetime

class FlightManagementSystem:
    """Flight planning and management"""

    def __init__(self):
        self.flights = {}
        self.flight_plans = {}
        self.aircraft_positions = {}

    def create_flight_plan(self, flight_data: dict) -> FlightPlan:
        """Create and file flight plan"""
        flight_plan_id = self._generate_flight_plan_id()

        # Calculate route
        route = self._calculate_optimal_route(
            flight_data['departure'],
            flight_data['destination'],
            flight_data['aircraft_type']
        )

        # Calculate fuel requirements
        fuel_required = self._calculate_fuel_requirements(
            route['distance_nm'],
            flight_data['aircraft_type'],
            flight_data.get('passenger_count', 0),
            flight_data.get('cargo_weight_kg', 0)
        )

        flight_plan = FlightPlan(
            flight_plan_id=flight_plan_id,
            flight_number=flight_data['flight_number'],
            aircraft_id=flight_data['aircraft_id'],
            departure=flight_data['departure'],
            destination=flight_data['destination'],
            alternate_airports=flight_data.get('alternates', []),
            route_string=route['route_string'],
            cruise_altitude_ft=route['cruise_altitude'],
            cruise_speed_kts=route['cruise_speed'],
            estimated_flight_time=route['estimated_time'],
            fuel_required_kg=fuel_required,
            filed_at=datetime.now()
        )

        self.flight_plans[flight_plan_id] = flight_plan

        # File with ATC
        self._file_with_atc(flight_plan)

        return flight_plan

    def _calculate_optimal_route(self,
                                 departure: str,
                                 destination: str,
                                 aircraft_type: str) -> dict:
        """Calculate optimal flight route"""
        # Get airport coordinates
        dep_coords = self._get_airport_coordinates(departure)
        dest_coords = self._get_airport_coordinates(destination)

        # Calculate great circle distance
        distance_nm = self._calculate_distance(dep_coords, dest_coords)

        # Determine cruise altitude based on distance and aircraft
        if distance_nm < 500:
            cruise_altitude = 25000  # FL250
        elif distance_nm < 1500:
            cruise_altitude = 35000  # FL350
        else:
            cruise_altitude = 39000  # FL390

        # Determine cruise speed based on aircraft type
        cruise_speeds = {
            'B737': 450,   # knots
            'B777': 490,
            'A320': 450,
            'A350': 490
        }
        cruise_speed = cruise_speeds.get(aircraft_type, 450)

        # Calculate flight time
        flight_time_hours = distance_nm / cruise_speed
        estimated_time = timedelta(hours=flight_time_hours)

        # Generate route string (simplified)
        route_string = f"{departure} DCT {destination}"

        return {
            'distance_nm': distance_nm,
            'cruise_altitude': cruise_altitude,
            'cruise_speed': cruise_speed,
            'estimated_time': estimated_time,
            'route_string': route_string
        }

    def _calculate_fuel_requirements(self,
                                    distance_nm: float,
                                    aircraft_type: str,
                                    passengers: int,
                                    cargo_kg: float) -> float:
        """Calculate required fuel for flight"""
        # Fuel consumption rates (kg per nm)
        fuel_rates = {
            'B737': 3.5,
            'B777': 8.0,
            'A320': 3.2,
            'A350': 7.5
        }

        base_rate = fuel_rates.get(aircraft_type, 4.0)

        # Calculate trip fuel
        trip_fuel = distance_nm * base_rate

        # Add weight penalty (simplified)
        weight_penalty = (passengers * 100 + cargo_kg) / 10000 * trip_fuel * 0.1

        # Reserve fuel (45 minutes at cruise)
        reserve_fuel = base_rate * 45 * 7.5  # 7.5 nm per minute

        # Contingency fuel (5% of trip fuel)
        contingency_fuel = trip_fuel * 0.05

        # Alternate fuel (for diversion)
        alternate_fuel = 100 * base_rate  # 100 nm

        total_fuel = trip_fuel + weight_penalty + reserve_fuel + contingency_fuel + alternate_fuel

        return total_fuel

    def track_flight_progress(self, flight_number: str) -> dict:
        """Track real-time flight progress"""
        flight = self.flights.get(flight_number)
        if not flight:
            return {'error': 'Flight not found'}

        # Get current position
        current_position = self.aircraft_positions.get(flight.aircraft_id)

        if not current_position:
            return {
                'flight_number': flight_number,
                'status': flight.status.value,
                'message': 'No position data available'
            }

        # Calculate progress
        total_distance = self._calculate_distance(
            self._get_airport_coordinates(flight.departure_airport),
            self._get_airport_coordinates(flight.arrival_airport)
        )

        distance_from_origin = self._calculate_distance(
            self._get