Tools
Quick cockpit and preflight helpers, plus video GPX overlay rendering.
Route → ICAO syntax
Convert VFR points and coordinates to an ICAO route (DCT).
Unrecognised points are shown on the right.
UTC time
Current coordinated universal time.
Stopwatch
Basic elapsed-time timer.
00:00.0
Time calculator
0:00
Climb distance & rate
3° climb rule of thumb: distance to level-off (NM) ≈ altitude to gain ÷ 300; climb rate (fpm) ≈ groundspeed × 5.
- Altitude to gain
- 5500 ft
- Level-off distance
- 18.3 NM
- Climb rate
- 350 fpm
- Climb time
- 15 min 43 s
Descent distance & rate
3° glide-path rule of thumb: start descent (NM) ≈ altitude to lose ÷ 300; descent rate (fpm) ≈ groundspeed × 5.
- Altitude to lose
- 5500 ft
- Start descent at
- 18.3 NM
- Descent rate
- 425 fpm
- Descent time
- 12 min 56 s
Wind correction
True course, TAS, and wind (from) → WCA, true heading, and groundspeed.
- WCA
- +9.5°
- True heading
- 9°
- Groundspeed
- 91 kt
- Headwind component
- -0 kt
Fuel endurance
Endurance from fuel on board and burn rate. Reserve is subtracted for usable endurance.
- Total endurance
- 5 h 54 min
- Usable endurance
- 4 h 55 min
- Usable fuel
- 30.0 US gal
Unit converter
Jerry can: 20 L nominal, 18.5 L usable (~4.89 US gal).
- Litres
- 3.79 L
- US gallons
- 1.00 gal
- Jerry cans (20 L)
- 0.19
- Jerry cans (18.5 L usable)
- 0.20
QNH ↔ altitude
Approximate correction using 30 ft per hPa (ISA). For planning only — verify with current altimeter setting.
Pressure altitude
2508 ft
Indicated 2500 ft with QNH 1013 hPa set
Rule of 60
1 NM off track at 60 NM flown ≈ 1° error. Correction (°) ≈ (off distance ÷ distance flown) × 60.
Track error / correction
+4.0°
2.0 NM off after 30.0 NM flown
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