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Helicopter Safety Calculators

Operational tools for rotorcraft pilots

FAA-cited calculators for performance planning, regulatory compliance, and safety decision-making. Free, no signup, primary sources linked on every result.

Helicopter Weight & Balance

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Density Altitude Calculator

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VFR Fuel Reserve Estimator

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Height-Velocity Diagram Lookup

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Autorotation Glide Distance

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LTE & Crosswind Component

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Hover Performance (IGE / OGE)

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Pilot Currency Tracker (61.57)

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Part 135 / HEMS Duty Time

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Independent rotorcraft safety editorial

FAAHeliSafety.

FAA-cited, NTSB-anchored, primary-source verified. Helicopter safety reference for pilots, instructors, Part 135 operators, and aviation safety teams.

Not affiliated with, sponsored by, or endorsed by the Federal Aviation Administration. Editorial library only - not flight training, not legal advice. Verify every claim with the active eCFR text and your aircraft Pilot Operating Handbook (POH) or Rotorcraft Flight Manual (RFM).

Mark Ellison Edited by Mark Ellison Rotorcraft Safety & Compliance Editor
  • FAA helicopter operations
  • Part 91 & Part 135 compliance
  • Inadvertent IMC (IIMC)
  • Crew Resource Management (CRM)
  • Safety Management Systems (SMS)
  • Rotorcraft emergency procedures
Cited from
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Library All articles Aviation glossary AI & MCP readiness
Pillar guides Part 91 GuidePart 135 GuideIIMC GuideCRM GuideSMS Guide
Tools W&BDensity AltitudeFuel ReserveH-V DiagramAutorotationLTE / CrosswindHover IGE/OGECurrencyPart 135 Duty All calculators →
Sections
FAA RegulationsAviation TerminologySafety ManagementAerodynamics & SystemsHelicopter Pilot RolesAccident InvestigationWeather & ChartsCockpit InstrumentsWeight & PerformanceFuel & Systems
Editorial principles
  • Primary sources only. Every claim is cited from FAA, eCFR, NTSB, USHST, or aircraft manufacturer documentation. No secondary aggregators.
  • Helicopter focus. US rotorcraft operations under 14 CFR Parts 27, 29, 61, 67, 91, 133, 135, and 137. Not fixed-wing, not airline.
  • Corrections welcome. Spot a factual error? Email the editor with the regulation, AC, or NTSB report citation.
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© 2026 FAAHeliSafety / Operator of faahelisafety.org / Founded 2026
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CFR coverage 14 CFR Parts 27 · 29 · 61 · 67 · 68 · 91 · 133 · 135 · 137 · 141 · 145 Rotorcraft-relevant titles. Helicopter EMS (HEMS) per Part 135 Subpart L; external load per Part 133.

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