IFP Gradient
Calculate climb/descent gradients and angles
Initial Parameters
Leg 1
Status---
Alt Change0 ft
Gradient (ft/NM)0
Gradient (%)0.0%
Angle (°)0.00°
PAPI Configuration
Configure Standard and ILS-Associated PAPI angles
Angle Converter Decimal ↔ Deg° Min'
Decimal (°)
Deg
Min'
1
↔
2
↔
3
↔
4
↔
Box Reference Guide
| AEROTHAI | ICAO | FAA | Position |
|---|---|---|---|
| Box 1 | A | #4 | AWAY RWY - Lowest Angle |
| Box 2 | B | #3 | |
| Box 3 | C | #2 | |
| Box 4 | D | #1 | CLOSE RWY - Highest Angle |
Theodolite Calculation
PAPI Calibration & Setup Optimization
Find Unknown
Calculated Value
--
m
Formula: --
Setup Optimizer
Site Conditions
Required Distance (D) by Engineer Height
| Engineer Height (H) | Distance (D) | Diff (vs 1.5m) |
|---|
VOR Tools
Orbit Calculation & Coverage Analysis
Orbit Cal
🔄 CW
↩️ CCW
Full Orbit Dist-- NM
Full Orbit Time (Min)--:--
Full
Orbit Complete at--:-- UTC
Cross Final
Crs Dist-- NM
Cross Final
Crs Time (Min)--:--
Cross Final
Crs at--:-- UTC
Prediction
🔄 CW
↩️ CCW
Input Radial → Get Time
Time to Target
--:-- min
Input Time → Get Radial
Predicted Radial
--°
VOR Siting (Profile View)
📡 VOR Station
⚠️ Obstacle
Screening Angle
--°
✈️ Aircraft
Minimum Aircraft Altitude
Flat Earth
--
Curved Earth
--
WAITING DATA
VOR Profile View
Signal Analysis (FSPL)
Paired DME Freq:
--
ICAO Annex 10 pairing
Free Space Path Loss--
Received Power--
Link Margin--
Signal Status--
Max Usable Range--
DME Two-Way Link Budget
⬆️ UPLINK (Aircraft → Ground)
Interrogator: 1000W
Margin
--
⬇️ DOWNLINK (Ground → Aircraft)
Transponder: user TX power
Margin
--
Weak Link:
--
VOR vs DME Comparison
📡 VOR Signal Margin
--
📡 DME Signal Margin
--
DME disadvantage
--
Signal Strength vs Distance — ■ VOR · ■ DME
ILS Tools
Profile Altitude & Coverage Analysis
ILS Profile Altitude
Altitude (MSL):
-- ft
Height (HAT):
-- ft
ILS Coverage
Radial (Inbound):
--
Left Limit:
--
Right Limit:
--
Coverage Sector
Time for Arc
Time for ±40° Arc:
--:--
Finish (UTC)
--:--
Finish (Local)
--:--
Converters & Utilities
Fuel, Units, and Coordinates
Fuel Calculator
Unit Converter
DISTANCE
SPEED
PRESSURE
GRADIENT
ALTIMETER SETTING (QNH → STD)
Correction:
--
ft
Pressure Alt (1013.25):
--
ft
Coordinate Converter
Batch Convert DMS ↔ DMM
Waypoint Projector
WGS-84 Geodesic Calculations (Forward & Inverse)
Distance from Origin
Calculate distance
& azimuth from reference (0,0) to a waypoint.
True Track from (0,0)-- °
Distance from (0,0)-- NM
Dist-- m
Dist-- ft
Dist-- km
Track Extension
Point A (Start)
Point B (Reference)
Azimuth (A → B)-- °
Base Dist (A → B)-- NM
Total Dist (A → C)-- NM
Point C (Result)
DMS--
DMM--
Trigonometry / Altitudes
Point A (Start)
Calc Distance (A → B)-- NM
Point B (Result)
DMS--
DMM--
RF Arc (Radius to Fix)
Calculate coordinates along a curved PBN RF leg
Arc Generator
Calculate coordinates along a curved path (RF leg) around a center point at a given radius.
Center Point
START/END BY:
Start Waypoint
End Waypoint
| # | Radial | Lat (DMS) | Lon (DMS) | Lat (DMM) | Lon (DMM) |
|---|
📱
ForeFlight Export
Export as
user_waypoints.csv for bulk import into ForeFlight. Lat/Lon in decimal degrees.
Waypoint names: PREFIX_R090,
PREFIX_R093, etc. • All caps, min 3 chars • File:
user_waypoints.csv