FAR PART 23, 25, 27 Flashcards
Title of 4 CFR ( FAR ) Part 21
Certification Procedures for Products and Articles.
14 CFR Part 23:
Airworthiness Standards: Normal Category Airplanes
14 CFR Part 25:
Airworthiness Standards: Transport Category Airplanes
14 CFR Part 27:
Airworthiness Standards: Normal Category Rotorcraft
It contains airworthiness standards for airplanes in the normal,
utility, aerobatic, and commuter categories.
Part 23
It dictates the standards required for issuance and change of type
certificates for airplanes in these categories.
part 23
the maximum takeoff
weight of an airplane in the normal, utility or acrobatic category cannot
exceed ______-,
12,500 lb
commuter category it cannot exceed
_______— lb.
19,000
This part has a large number of regulations to ensure airworthiness in
areas such as structural loads, airframe, performance, stability,
controllability, and safety mechanisms, how the seats must be
constructed, oxygen and air pressurization systems, fire prevention,
escape hatches, flight management procedures, flight control
communications, emergency landing procedures, and other limitations, as
well as testing of all the systems of the aircraft.
FAR part 23
It also determines special aspects of aircraft performance such as stall
speed, rate of climb, take-off speed, and weight of each pilot and passenger
FAR part 23
normal category
_ seats (excluding pilot)
MTOW ___________
______ movement
normal flying maneuvering
lazy eights chandelles
steep turn with bank angl with __________ degrees
9 or less
12,500 lbs or less
non-acrobatic
less than 60
uitility category
_ seats (excluding pilot)
MTOW ___________
______ movement
normal flying maneuvering
lazy eights chandelles
steep turn with bank angl with __________ degrees
9 or less
12,500 lbs or less
limited acrobatic
greater than 60 but less than 90
acrobatic category
_ seats (excluding pilot)
MTOW ___________
______ movement
9 or less
12,500
acrobatic - no-limitations
commuter category
_ seats (excluding pilot)
MTOW ___________
______ movement
19 or less
19,000 lbs or less
normal
except for commuter category, airplanes be certified in more than _ category
1
This part contains airworthiness standards for airplanes in the transport
category.
FAR part 25
Transport category airplanes are either:
jet, propeller-driven aircraft,
*Jets with ___________seats or a maximum takeoff weight (MTOW)
__________ than ___________;
10 or more
greater 12,500 pounds (5,670 kg)
*Propeller-driven airplanes with_______________ seats or a MTOW ______________________.
greater than 19
greater
than 19,000 pounds (8,618 kg)
The ____________ and later types, and __________ series, are well-known
airplane types that were certificated to FAR Part 25.
Boeing 737
Airbus A300
This part contains airworthiness standards for
rotorcraft in the normal category.
FAR part 27
FAR part 27 contains airworthiness standards for
rotorcraft in the _________ category
normal
Rotorcraft up to _______– lb Maximum Takeoff Weight
and ____________ are type certified in this part.
7,000
9 or fewer passengers
Examples of rotorcraft certified in this part are the
Schweizer 300 and the Bell 429.
Airplane performance levels are:
(1) Low speed - for airplanes with a Vno and Vmo ≤ ___Knots Calibrated
Airspeed (KCAS) and a Mmo ≤ ____.
(2) High speed - for airplanes with a Vno or Vmo > ____ KCAS or a M > ___.
250
0.6
250
0.6
meaning of KCAS
Knots Calibrated Airspeed
Vno meaning
maximum structural cruising speed
Vmo/Mmo meaning
Maximum operating operating limit speed
A slope most frequently expressed in terms of altitude gain per 00 feet of horizontal distance whereupon it is stated as a percentage
climb gradient
unlike rate of climb, climb gradient is affected by ___
wind
The Flight Data Recorder container must:
(1) Have reflective tape affixed to its external surface to facilitate its location under water;
(2) Be either bright green or bright red;
(3) Have an underwater locating device, on or adjacent to the container, which is secured in such manner that they
are not likely to be separated during crash impact
a) 1 and 3 only
b) 1 only
c) 2 only
d) 1, 2 and 3
a) 1 and 3 only
Approved and installed cockpit voice recorder required by the operating rules of 14 CFR records the following:
a) Voice communications of flightcrew members on the
flight deck, using the airplane’s interphone system.
b) Voice or audio signals identifying navigation or
approach aids introduced into a headset or speaker.
c) Voice communications transmitted from or received in
the airplane by radio.
d) Voice communications of flight crew members on the
flight deck.
e) All of the above
e) All of the above
TRUE OR FALSE. Continued safe flight and landing means an airplane is capable of continued controlled flight and
landing, possibly using emergency procedures, without requiring exceptional pilot skill or strength. Upon landing,
some airplane damage may occur as a result of a failure condition.
a) TRUE
b) FALSE
a) TRUE
Certification in this category applies to airplanes with a passenger-seating configuration of 19 or less and a
maximum certificated takeoff weight of 19,000 pounds or less.
a) Utility
b) Acrobatic
c) Normal
d) Commuter
c) Normal
What Airplane Certification Level is for airplanes with a maximum seating configuration of 7 to 9 passengers?
a) Level I
b) Level II
c) Level III
d) Level IV
c) Level III
Airplane performance levels in a _______ speed - for airplanes with a Vno and Vmo ≤ 250 Knots Calibrated Airspeed
(KCAS) and a Mmo ≤ 0.6.
a) LOW
b) HIGH
a) LOW
TRUE OR FALSE. In 14 CFR Part 21, the stall speed or minimum steady flight speed determination must account
for the most adverse conditions for each flight configuration with power set at Idle or zero thrusts for propulsion
systems that are used primarily for thrust.
a) FALSE
b) TRUE
b) TRUE
In takeoff performance, for single engine airplanes and levels 1, 2, and 3 low-speed multiengine airplanes, takeoff
performance includes the determination o ground roll and initial climb distance to _______ feet (15 meters) above
the takeoff surface.
a) 40 feet
b) 50 feet
c) 70 feet
d) 60 feet
b) 50 feet
The airplane must be controllable and maneuverable, without requiring exceptional piloting skill, alertness, or
strength, within the operating envelope :
a) All of the above
b) At all loading conditions for which certification is requested;
c) With likely reversible flight control or propulsion system failure; and
d) During all phases of flight;
e) During configuration changes.
a) All of the above
It is the calibrated airspeed at which, following the sudden critical loss of thrust, it is possible to maintain control of
the airplane.
a) VLOF
b) VD
c) V B
d) VMC
d) VMC
The airplane must maintain lateral and directional trim without further force upon, or movement of, the primary flight
controls or corresponding trim controls by the pilot, or the flight control system, under the following conditions:
(1) For levels 1, 2, and 3 airplanes in ________.
(2) For level 4 airplanes in _______________.
a) Landing;
Normal Operations
b) Climb;
Normal Operations
c) Cruise;
Normal Operations
d) Take-off;
Normal Operations
c) Cruise;
Normal Operations
The airplane must maintain longitudinal trim without further force upon, or movement of, the primary flight controls or
corresponding trim controls by the pilot, or the flight control system, under the following conditions:
(1) Climb.
(2) Level flight.
(3) Descent.
(4) Approach.
a) 2 only
b) 1 only
c) 1,2 and 3
d) 1,2,3 and 4
d) 1,2,3 and 4
In 14 CFR 23.2145 Stability, Airplanes not certified for aerobatics must have the following except:
a) Provide stable control force feedback throughout the
operating envelope
b) Exhibit any divergent longitudinal stability
characteristic so unstable as to increase the pilot’s
workload
c) Have static longitudinal, lateral, and directional
stability in normal operations;
d) Have dynamic short period and Dutch roll stability in
normal operations
e) None of the above
b) Exhibit any divergent longitudinal stability
characteristic so unstable as to increase the pilot’s
workload
TRUE OR FALSE. For airplanes intended for operation on land or water, the airplane must have controllable
longitudinal and directional handling characteristics during taxi, takeoff, and landing operations.
a) TRUE
b) FALSE
c) None of the above
a) TRUE
In 14 CFR Part 23, the applicant must determine the limit loads;
(1) which are equal to the structural design loads
(2) which are equal to the limit loads multiplied by a 1.5 factor of safety
(3) which are equal to the limit loads multiplied by a 2.5 factor of safety
a) 3 only
b) 1, 2 and 3
c) 1 and 2
d) 1 only
e) 2 only
c) 1 and 2
With respect to materials and parts used to confine fire in a designated fire zone, means the capacity to withstand at
least as well as steel in dimensions appropriate for the purpose for which they are used, the heat produced when
there is a severe fire of extended duration in that zone.
a) Fireproof
b) Flammable
c) Flame resistant
d) Flash Resistant
e) Fire-resistant
c) Flame resistant
With respect to other materials and parts, means the capacity to withstand the heat associated with fire at least as
well as steel in dimensions appropriate for the purpose for which they are used.
a) Fire-resistant
b) Flash Resistant
c) Fireproof
d) Flammable
e) Flame resistant
c) Fireproof
It means not susceptible to combustion to the point of propagating a flame, beyond safe limits, after the ignition
source is removed.
a) Fire-resistant
b) Flame resistant
c) Fireproof
d) Flammable
e) Flash Resistant
b) Flame resistant
It means not susceptible to burning violently when ignited.
a) Flame resistant
b) Fire-resistant
c) Flash Resistant
d) Flammable
e) Fireproof
c) Flash Resistant
With respect to a fluid or gas, means susceptible to igniting readily or to exploding.
a) Fireproof
b) Flash Resistant
c) Flame resistant
d) Fire-resistant
e) Flammable
e) Flammable
With respect to fluid-carrying lines, fluid system parts, wiring, air ducts, fittings, and powerplant controls, means the
capacity to perform the intended functions under the heat and other conditions likely to occur when there is a fire at
the place concerned.
a) Flame resistant
b) Flammable
c) Fireproof
d) Fire-resistant
e) Flash Resistant
d) Fire-resistant
Airplanes intended for operations on water, must provide buoyancy of_______percent in excess of the buoyancy
required to support the maximum weight of the airplane in fresh water.
a) 70%
b) 80%
c) 20%
d) 50%
e) 30%
b) 80%
TRUE OR FALSE. If a pressurization system is installed in the airplane, it must be designed to protect against
decompression to an unsafe level.
a) FALSE b) TRUE
TRUE
Each airplane engine and propeller must be type certificated, except for engines and propellers installed on level
_____low-speed airplanes, which may be approved under the airplane type certificate in accordance with a standard
accepted by the FAA that contains airworthiness criteria the Administrator has found appropriate and applicable to
the specific design and intended use of the engine or propeller and provides a level of safety acceptable to the FAA.
a) LEVEL 1
b) LEVEL 3
c) LEVEL 4
d) LEVEL 2
a) LEVEL 1
TRUE OR FALSE. Any position lights, if required must include a green light on the left side of the airplane, a red light
on the right side of the airplane, spaced laterally as far apart as practicable, and a white light facing aft, located on
an aft portion of the airplane or on the wing tips.
a) TRUE b) FALSE
b) FALSE
For seaplanes or amphibian airplanes, riding lights must provide a ____ light visible in clear atmospheric conditions.
a) Red b) Green
c) White d) Yellow
c) White
The Airplane Flight Manual must contain the following information
(1) Airplane operating limitations;
(2) Airplane operating procedures;
(3) Performance information;
(4) Loading information; and
(5) Other information that is necessary for safe operation because of design, operating, or handling characteristics.
a) 1, 3 and 5
b) 2 and 4
c) 1,2,3,4 and 5
d) 1,2,4 and 5
c) 1,2,3,4 and 5
Which part of the 14 CFR provides information regarding instrument range markings for an airplane certificated in
the acrobatic category?
a) 27 b) 25
c) 21 d) 23
d) 23
This part identifies the requirements of and the procedures for obtaining type certificates, supplemental type
certificates, production certificates, airworthiness certificates, and import and export approvals.
a) 27 b) 25
c) 21 d) 23
c) 21
Aircrafts certificated under this part represent the greatest portion of what the industry refers to as “general aviation.”
a) 27 b) 29
c) 23 d) 25
c) 23
When determining the empty weight of an aircraft, certificated under current airworthiness standards (14 CFR Part
23), the oil contained in the supply tank is considered
a) the same as the fluid contained in the water injection
reservoir
b) empty weight is void until oil is fully drained
c) a part of the empty weight
d) a part of the useful load
c) a part of the empty weight
Commuter aircrafts under 14 CFR Part 23 are those aircrafts that have a maximum certificated take-off weight of
_____.
a) 19,000 pounds or less
b) 12,500 pounds or less
c) 7,000 pounds or less
d) 12,500 pounds or more
a) 19,000 pounds or less
Normal, utility, and acrobatic category reciprocating engine-powered airplane of more than 6,000 pounds maximum
weight and turbine engine-powered airplanes in the normal, utility, and acrobatic category must have a steady
gradient of climb after takeoff of at least _____.
a) 1.5% b) 5.0%
c) 3.0% d) 4.0%
d) 4.0%
