Student Pilot Guide

Student Pilot Glossary: PPL Terms You Should Know

A quick reference to the acronyms and regulations you will hear throughout primary flight training.

Last updated June 3, 2026 · by Sami Kosaraju, an FAA-certificated private pilot


Flight training has its own shorthand: acronyms, regulation numbers, and a few words that mean something specific in aviation. Here is a plain-language reference to the terms you will run into most on the way to your Private Pilot certificate.

40 hr
PPL minimum
50 NM
Cross-country leg
24 mo
Written valid
90 days
Solo / night

Terms you’ll hear

PPL
Private Pilot License (the FAA Private Pilot Certificate). Lets you fly for personal, non-commercial purposes.
CFI
Certificated Flight Instructor. The instructor who trains you, signs your endorsements, and verifies your flights.
DPE
Designated Pilot Examiner. The FAA-authorized examiner who gives your checkride.
ACS
Airman Certification Standards. The FAA document that sets the knowledge, skill, and tolerances you are tested to.
§61.109
The regulation listing the flight experience required for a private certificate (40 hours and its sub-requirements).
Cross-country (XC)
A flight with a landing more than 50 NM straight-line from where you departed (per §61.1).
Dual
Flight time received with an instructor on board (dual received, or dual instruction).
Solo
Flight time with you as the only person aboard, flown under a current solo endorsement.
PIC
Pilot in Command. The pilot responsible for the operation and safety of the flight.
Checkride
The practical test for a certificate or rating: an oral exam and a flight, given by a DPE.
Endorsement
A dated, signed note from an instructor authorizing a specific privilege, such as solo, per AC 61-65.
Knowledge test
The FAA written exam. The result is good for 24 calendar months before the practical test.
IACRA
Integrated Airman Certification and Rating Application. The online system for FAA certificate applications.
BasicMed
An alternative to an FAA medical certificate that lets many pilots fly under certain conditions after a one-time qualification.
Class 3 medical
The FAA medical certificate class most private and student pilots use.
Student pilot certificate
The certificate you hold while training, obtained through IACRA, before you earn the private certificate.
Part 61
The flexible, self-paced set of FAA training rules (40-hour PPL minimum).
Part 141
FAA-approved, structured flight-school training with a syllabus and stage checks (35-hour PPL minimum).
Ground school
The classroom or self-study part that prepares you for the knowledge test and oral exam.
Solo cross-country
A cross-country flown solo. The private certificate needs 5 hours, including one long XC of at least 150 NM.
ARROW
Memory aid for required onboard aircraft documents: Airworthiness, Registration, Radio license (if international), Operating limitations, Weight & balance.
Night currency
Recent-experience rules for carrying passengers at night, such as three full-stop night landings within 90 days.

Frequently asked questions

What does PPL stand for?

PPL stands for Private Pilot License, more precisely the FAA Private Pilot Certificate, which lets you act as pilot in command for personal, non-commercial flying.

What is a cross-country flight for a student pilot?

For private pilot experience, a cross-country flight includes a landing more than 50 nautical miles straight-line from where you took off, per 14 CFR §61.1.

Stop guessing what’s left before your checkride

Waypoint auto-computes every §61.109 requirement from the flights you log — free through your Private Pilot certificate.