Reference library

Resources

The official FAA references behind this course — all U.S. Government works in the public domain. View them here, download the source files, or jump to the exact FAA page. Nothing here is our content; always confirm against current official FAA publications.

Looking for one specific regulation? Browse the 28 sections of 14 CFR the knowledge test covers →

Flight schools, clubs and instructors who recommend this course are listed on our partners page.

Quick reference: answers to the questions students ask most

One page per question, with a table, the common mistakes and a citation on every fact.

VFR weather minimums by airspace →

VFR visibility and cloud clearance for Class B, C, D, E and G, day and night, plus special VFR — one table from 14 CFR 91.155 and 91.157, with the traps.

Airspace classes at a glance →

Class A, B, C, D, E and G compared: dimensions, what you need to enter, required equipment, pilot certificate and VFR minimums, from the AIM and 14 CFR.

Transponder codes and Mode C / ADS-B rules →

Squawk 1200 for VFR; 7500 hijack, 7600 lost comms, 7700 emergency. Where Mode C and ADS-B Out are required under 14 CFR 91.215 and 91.225, from the AIM.

Airport signs and markings →

Red mandatory signs, black location signs, yellow direction and destination signs, distance-remaining signs and hold-short lines, from AIM 2-3.

BasicMed vs third-class medical →

Third-class medical vs BasicMed: who examines you, how often, and the BasicMed limits of 7 occupants, 12,500 lb, 6 passengers, 18,000 ft and 250 knots.

Pilot’s Handbook

FAA-H-8083-25Cpublic domain

Pilot’s Handbook of Aeronautical Knowledge

The FAA’s core knowledge reference for the private pilot certificate — aerodynamics, systems, weather, navigation, aeromedical factors, and aeronautical decision-making.

Test Figures

FAA-CT-8080-2public domain

Airman Knowledge Testing Supplement (Sport, Recreational, Remote, and Private Pilot)

Every legend and figure the FAA private-pilot knowledge test references — sectional excerpts, instruments, weather products, performance and weight-and-balance charts. Browse and search all figures in-app.

ACS

FAA-S-ACS-6public domain

Private Pilot — Airplane Airman Certification Standards

The standards that define what a private pilot applicant must know, consider, and do — the knowledge, risk-management, and skill elements the checkride and knowledge test measure.

FAR (14 CFR)

14 CFRpublic domain

Title 14 of the Code of Federal Regulations (the FARs)

The Federal Aviation Regulations — the binding rules for airmen and aircraft operations. Full text of Title 14, 2025 edition, in five searchable volumes.

AIM

AIMpublic domain

Aeronautical Information Manual

The FAA’s official guide to basic flight information and air traffic control procedures — airspace, communications, wake turbulence, and operational best practices.

Flying Handbook

FAA-H-8083-3Cpublic domain

Airplane Flying Handbook

The FAA’s guide to airplane flying skills — takeoffs, landings, maneuvers, emergency procedures, and night operations. The flight-proficiency companion to the Pilot’s Handbook.

Risk Management

FAA-H-8083-2Apublic domain

Risk Management Handbook

The FAA’s aeronautical decision-making and risk-management reference — hazard identification, personal minimums, and the tools behind single-pilot resource management.

Weight & Balance

FAA-H-8083-1Apublic domain

Aircraft Weight and Balance Handbook

The FAA’s dedicated weight-and-balance reference — terminology, loading computations, and the effects of weight and CG on performance.

Weather Handbook

FAA-H-8083-28Bpublic domain

Aviation Weather Handbook

The FAA’s consolidated weather reference — weather theory, hazards, and every observation, analysis, and forecast product used in flight planning.

Instrument Flying

FAA-H-8083-15Bpublic domain

Instrument Flying Handbook

The FAA’s instrument-rating knowledge reference — flight instruments, attitude instrument flying, navigation systems, the ATC system, and IFR flight.

Instrument Procedures

FAA-H-8083-16Bpublic domain

Instrument Procedures Handbook

Departure, en route, arrival, and approach procedures in the National Airspace System — how IFR charts and clearances are flown.

Instrument ACS

FAA-S-ACS-8Cpublic domain

Instrument Rating – Airplane Airman Certification Standards

The knowledge, risk-management, and skill standards for the instrument rating — the source of the instrument knowledge test’s ACS codes.

Chart User’s Guide

public domain

Aeronautical Chart User’s Guide

The FAA’s key to every symbol on VFR sectional, terminal area, and IFR en route and approach charts.

NTSB Part 830

49 CFR 830public domain

49 CFR Part 830 — NTSB Accident and Incident Notification

When and how an aircraft accident or incident must be reported to the NTSB, and preservation of wreckage and records.

Free FAA Reference Library — PHAK, ACS, FARs, AIM, Test Figures · PPL Free Ground School