Term

aircraft category

Daniel MarkFounder & Editor, Aviatopia
Published Mar 1, 2026Updated Mar 1, 20261 min read

A classification system based on approach speed or maximum takeoff weight — determines minimum separation, approach procedures, and runway requirements.

aviation-glossary

Quick Facts

Type
Regulatory Classification
Definition
A classification system based on approach speed or maximum takeoff weight
Used By
Pilots, ATC

Definition#

Aircraft category classifies aircraft by performance characteristics. ICAO wake turbulence categories (Light, Medium, Heavy, Super) are based on MTOW. Approach categories (A through E) are based on threshold crossing speed (Vat).

Why It Matters Operationally#

Category determines required wake turbulence separation, approach minimums, runway length requirements, and airport handling infrastructure. ATC applies different separation standards based on the preceding and following aircraft categories.