AAAE ACE Operations Study - Mod 1
Questions with Correct Answers 2026
Part 139 applies to all airports in every state, territory, or possession of the US at which pa
x operations of the following types occur: - CORRECT ANSWER -
1. Scheduled operations by small aircraſt designed for more than 9 but less than 31 seats, e
xcept for Alaska
2. Scheduled operations by large aircraſt designed for 31 or more seats
3. Unscheduled operations by large aircraſt designed for 31 or more seats
Part 139 requirements is not applicable to - CORRECT ANSWER -- Heliports
- Airports operated by the US government
-
airports serving scheduled air carrier operations only because they have been designated a
s an alternate airport
-
Airports in Alaska that only serve scheduled ops of small air carrier aircraſt and do not ser
ve scheduled or unscheduled ops of large air carrier aircraſt
- Airports in Alaska when not serving ops of large air carrier aircraſt unless specified by FAA
Class I Airport - CORRECT ANSWER -- Scheduled large air carrier aircraſt
- Unscheduled large air carrier aircraſt
- Scheduled small air carrier aircraſt
Class II Airport - CORRECT ANSWER -- Unscheduled large air carrier aircraſt
- Scheduled small air carrier aircraſt
Class III Airport - CORRECT ANSWER -- Scheduled small air carrier aircraſt
, Class IV Airport - CORRECT ANSWER -- Unscheduled large air carrier aircraſt
Airport Certification Safety Inspector (ACSI) - CORRECT ANSWER -
credentialed FAA personnel responsible for conducting periodic airport inspections and ensu
ring part 139 is carried out by FAA's compliance and enforcement program. ACSIs investigat
e potential violations, recommend enforcement actions, and represent the administrator.
AFFF - CORRECT ANSWER -Aqueous Film Forming Foam Agent
Air Carrier Aircraſt - CORRECT ANSWER -
an aircraſt that is being operated by an air carrier and is categorized as either a large air ca
rrier aircraſt if designed for at least 31 passenger seats
or a small air carrier aircraſt if designed for more than nine passenger seats but less than 3
1 passenger seats, as determined by the aircraſt type certificate issued by a
competent civil aviation authority.
Airx carrierx operationx -x CORRECTx ANSWERx -
thex takeoffx orx landingx ofx anx airx carrierx aircraſtx andx includesx thex periodx ofx timex fromx 15x mi
n
utesx beforex untilx 15x minutesx aſterx thex takeoffx orx landing.
Airportx -x CORRECTx ANSWERx -
anx areax ofx landx orx otherx hardx surface,x excludingx water,x thatx isx usedx orx intendedx tox bex use
d
forx thex landingx andx takeoffx ofx aircraſt,x includingx anyx buildingsx and
facilities.
Airportx Operatingx Certificatex -x CORRECTx ANSWERx -
ax certificate,x issuedx underx thisx part,x forx operationx ofx ax Classx I,x II,x III,x orx IVx airpor
t.
Questions with Correct Answers 2026
Part 139 applies to all airports in every state, territory, or possession of the US at which pa
x operations of the following types occur: - CORRECT ANSWER -
1. Scheduled operations by small aircraſt designed for more than 9 but less than 31 seats, e
xcept for Alaska
2. Scheduled operations by large aircraſt designed for 31 or more seats
3. Unscheduled operations by large aircraſt designed for 31 or more seats
Part 139 requirements is not applicable to - CORRECT ANSWER -- Heliports
- Airports operated by the US government
-
airports serving scheduled air carrier operations only because they have been designated a
s an alternate airport
-
Airports in Alaska that only serve scheduled ops of small air carrier aircraſt and do not ser
ve scheduled or unscheduled ops of large air carrier aircraſt
- Airports in Alaska when not serving ops of large air carrier aircraſt unless specified by FAA
Class I Airport - CORRECT ANSWER -- Scheduled large air carrier aircraſt
- Unscheduled large air carrier aircraſt
- Scheduled small air carrier aircraſt
Class II Airport - CORRECT ANSWER -- Unscheduled large air carrier aircraſt
- Scheduled small air carrier aircraſt
Class III Airport - CORRECT ANSWER -- Scheduled small air carrier aircraſt
, Class IV Airport - CORRECT ANSWER -- Unscheduled large air carrier aircraſt
Airport Certification Safety Inspector (ACSI) - CORRECT ANSWER -
credentialed FAA personnel responsible for conducting periodic airport inspections and ensu
ring part 139 is carried out by FAA's compliance and enforcement program. ACSIs investigat
e potential violations, recommend enforcement actions, and represent the administrator.
AFFF - CORRECT ANSWER -Aqueous Film Forming Foam Agent
Air Carrier Aircraſt - CORRECT ANSWER -
an aircraſt that is being operated by an air carrier and is categorized as either a large air ca
rrier aircraſt if designed for at least 31 passenger seats
or a small air carrier aircraſt if designed for more than nine passenger seats but less than 3
1 passenger seats, as determined by the aircraſt type certificate issued by a
competent civil aviation authority.
Airx carrierx operationx -x CORRECTx ANSWERx -
thex takeoffx orx landingx ofx anx airx carrierx aircraſtx andx includesx thex periodx ofx timex fromx 15x mi
n
utesx beforex untilx 15x minutesx aſterx thex takeoffx orx landing.
Airportx -x CORRECTx ANSWERx -
anx areax ofx landx orx otherx hardx surface,x excludingx water,x thatx isx usedx orx intendedx tox bex use
d
forx thex landingx andx takeoffx ofx aircraſt,x includingx anyx buildingsx and
facilities.
Airportx Operatingx Certificatex -x CORRECTx ANSWERx -
ax certificate,x issuedx underx thisx part,x forx operationx ofx ax Classx I,x II,x III,x orx IVx airpor
t.
