Preflight Pass

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Part 107 key numbers

The numbers the test likes to ask about, each linked to the regulation it comes from. Free to print, no email needed.

Last reviewed

WhatThe ruleSource
Maximum altitude400 feet above ground level (AGL). Within 400 feet of a structure you may go up to 400 feet above its top.14 CFR 107.51
Maximum groundspeed87 knots (100 miles per hour).14 CFR 107.51
Minimum flight visibility3 statute miles from the control station.14 CFR 107.51
Distance from cloudsAt least 500 feet below and 2,000 feet horizontally.14 CFR 107.51
Small unmanned aircraftLess than 55 pounds at takeoff, including everything on board or attached.14 CFR 107.3
Minimum age for a Remote Pilot Certificate16 years old.14 CFR 107.61
Staying currentInitial test or recurrent training within the previous 24 calendar months.14 CFR 107.65
Reporting an accidentWithin 10 calendar days: serious injury, loss of consciousness, or more than $500 of damage to property other than the drone.14 CFR 107.9
AlcoholNo flying within 8 hours of a drink, while under the influence, or at an alcohol concentration of 0.04 or more.14 CFR 91.17
Night and civil twilightAnti-collision lighting visible for at least 3 statute miles.14 CFR 107.29
Civil twilight (outside Alaska)30 minutes before official sunrise, and 30 minutes after official sunset.14 CFR 107.29
Retaking a failed knowledge testWait 14 calendar days.14 CFR 107.71
Temporary certificateIssued for up to 120 calendar days.14 CFR 107.64
Change of addressTell the FAA within 30 days, or stop using the certificate.14 CFR 107.77
Drug convictionGrounds to deny an application for up to 1 year after the conviction.14 CFR 107.57
RegistrationRequired for Part 107 flying, whatever the weight (the 0.55-pound exception is only for recreational flying).14 CFR 48.15
Registration renewalA registration expires 3 years after it is issued unless renewed.14 CFR 48.100
Updating registration detailsWithin 14 calendar days of a change.14 CFR 48.115
Operations over people, Category 10.55 pounds or less, including everything on board or attached, and no exposed rotating parts that could lacerate skin.14 CFR 107.110
Operations over people, Category 2Can't cause an injury as severe as a rigid object transferring 11 foot-pounds of kinetic energy.14 CFR 107.120
Operations over people, Category 3Can't cause an injury as severe as a rigid object transferring 25 foot-pounds of kinetic energy.14 CFR 107.130
Remote IDRequired for flying in US airspace after September 16, 2023, unless an exception applies.14 CFR 89.105

Rules change: always check the current regulations before you fly. Test yourself with the free 20-question practice test.