Flight & mission planning · works offline

Plan smart.
Go prepared.

Practical preflight tools for drone pilots, aviation operators and ROV teams — checklists, calculations, risk prompts and mission notes in one lightweight browser toolkit.

Offline-readySaved on your devicePrint-friendly
Mission readiness

Quick status

Checklist toolsReady
Crosswind calculatorReady
Fuel / endurance toolReady
PAVE risk assessmentReady
Local mission notesReady

Calculators that work.

Simple planning aids for common preflight questions. Always verify against aircraft/operator documentation and applicable regulations.

Crosswind component

Crosswind: 7.5 · Headwind: 13.0

Fuel / endurance planner

Planned endurance: 4h 00m after reserve.

Quick mission checklists.

Tick, save and return later. These run locally in your browser.

Drone preflight

ROV pre-deployment

PAVE risk assessment.

A quick prompt to surface risk before departure or deployment. It does not replace formal operator procedures.

P — Pilot / Person

A — Aircraft / Asset

V — enVironment

E — External pressures

Low indicated risk. Continue normal planning and verification.

Mission notes

Official resources first.

Planning tools should point operators toward authoritative sources, not pretend to replace them.

United States

FAA UAS resources

Use official FAA material for current operating rules, airspace and drone guidance.

Open FAA UAS →
United States

FAA weather

Use official/approved aviation weather sources and briefing services appropriate to your operation.

Open Aviation Weather →
Operations

Your own manuals win

Aircraft, drone, ROV and operator manuals take priority over generic checklists on this site.

Back to checklist tools →
Safety note: PreFlight Generator is a planning aid, not an approved flight manual, regulatory briefing service or substitute for trained operational judgement. Requirements differ by aircraft, operator, location and mission.

Preflight guides.

Short, practical explainers for the checks that deserve more than a tick box.

US drone pilots

US drone preflight guide

A practical sequence for checking pilot readiness, registration, Remote ID, airspace, weather, aircraft condition and recovery planning.

Read the guide →
UK drone pilots

UK drone preflight guide

A concise preparation guide built around the current CAA Drone Code, IDs, operating area, people, airspace and aircraft checks.

Read the guide →
Planning basics

How to build a safer preflight routine

Turn a generic checklist into a repeatable routine with stop points, contingencies and post-mission notes.

Read the guide →