Reference

Glossary

Plain-language meanings of terms you'll see while studying.
BasicMed
An alternative to an FAA medical certificate under §61.113(i). Under MOSAIC it is one way to meet the medical requirement for sport pilot night flight.
14 CFR §61.329(b) · Reviewed 2026-11-09
Calibrated airspeed (CAS)
Indicated airspeed corrected for position and instrument error. Sport pilot speed limits are stated in CAS.
14 CFR §1.1 · Reviewed 2026-11-09
Category
A broad group of aircraft for pilot certification, such as airplane, rotorcraft, glider, or lighter-than-air.
14 CFR §1.1 · Reviewed 2026-11-09
Ceiling
The height above the ground of the lowest cloud layer reported as broken, overcast, or obscuration.
14 CFR §1.1 · Reviewed 2026-11-09
Class
A group of aircraft within a category that fly similarly, such as single-engine land or single-engine sea.
14 CFR §1.1 · Reviewed 2026-11-09
Class A airspace
High-altitude controlled airspace. Sport pilots may never operate in Class A.
14 CFR §61.315(c)(6) · Reviewed 2026-11-09
Class B, C and D airspace
Controlled airspace around busier airports. Sport pilots need training and an instructor endorsement before using it.
14 CFR §61.325 · Reviewed 2026-11-09
CTAF
Common Traffic Advisory Frequency: the radio frequency pilots use to announce their position at an airport without an operating tower.
FAA Aeronautical Information Manual · Reviewed 2026-11-08
Endorsement
A signed logbook entry from an authorized instructor stating you completed specific training and are proficient. Many sport pilot privileges require one.
14 CFR Part 61 Subpart J · Reviewed 2026-11-09
Flight visibility
How far ahead you can see and identify prominent objects from the cockpit in flight. Sport pilots need at least 3 statute miles.
14 CFR §1.1; §61.315(c)(12) · Reviewed 2026-11-09
Knowledge test
The written FAA exam on the aeronautical knowledge areas in §61.309. It requires an instructor endorsement first.
14 CFR §61.307(a) · Reviewed 2026-11-09
Light-sport category
The aircraft certification category under parts 21 and 22 since July 24, 2026. It replaced the old "light-sport aircraft" definition.
14 CFR Part 22 · Reviewed 2026-11-09
METAR
A routine weather observation report for an airport.
FAA Aviation Weather Handbook / PHAK · Reviewed 2026-11-08
MOSAIC
Modernization of Special Airworthiness Certification: the FAA rule that expanded sport pilot privileges (Oct 22, 2025) and created light-sport category certification (Jul 24, 2026).
FAA MOSAIC Fact Sheet · Reviewed 2026-11-08
Night
The time between the end of evening civil twilight and the beginning of morning civil twilight.
14 CFR §1.1 · Reviewed 2026-11-09
Pilot in command (PIC)
The pilot with final authority and responsibility for the flight's operation and safety.
14 CFR §1.1 · Reviewed 2026-11-09
Practical test (checkride)
The flight test and oral exam with an examiner, graded against the Sport Pilot PTS. It requires an instructor endorsement first.
14 CFR §61.307(b) · Reviewed 2026-11-09
PTS
Practical Test Standards: the FAA document listing what is tested on the checkride. The Sport Pilot Airplane PTS is FAA-S-8081-29B (effective Sept 14, 2026).
FAA-S-8081-29B · Reviewed 2026-11-08
Solo flight
Flight time when a student pilot is the only person aboard. It requires instructor endorsements under §61.87.
14 CFR §61.87 · Reviewed 2026-11-09
TAF
Terminal Aerodrome Forecast: a weather forecast for the area around an airport.
FAA Aviation Weather Handbook / PHAK · Reviewed 2026-11-08
VH
Maximum speed in level flight with maximum continuous power. Sport pilots need an endorsement based on whether VH is above, or at or below, 87 knots CAS.
14 CFR §1.2; §61.327 · Reviewed 2026-11-09
VNE
Never-exceed speed.
14 CFR §1.2 · Reviewed 2026-11-09
VS0
Stall speed or minimum steady flight speed in the landing configuration. Light-sport category airplanes are limited to 61 knots CAS.
14 CFR §1.2; Part 22 · Reviewed 2026-11-09
VS1
Stall speed in a specific configuration. For sport pilot eligibility, airplanes must have a clean VS1 of no more than 59 knots CAS.
14 CFR §1.2; §61.316 · Reviewed 2026-11-09