When the EMB-120 Brasilia was introduced in May 1985
with its launch customer, the U.S.-based Atlantic Southeast Airlines, it
changed regional air travel. For the first time in aviation history, small
communities and the regional airlines connecting them had an aircraft
specifically designed to meet their needs. The first EMB-120 Brasilia was
the fastest (300 kt of cruise speed), the lightest (25,353 lbs of maximum
take-off weight) and the most economical aircraft of the 30-40 seat range.
Embraer has sold 329 EMB-120 Brasilia aircraft to date,
and continues to make technological updates, resulting in reduced
operational and maintenance costs, and improved dispatch reliability.
Within a 10-year period aimed at improving the EMB-120 design and
maintenance to promote passenger comfort and reduction of operational
costs, Embraer has been incorporating numerous changes to the Brasilia.
Modifications leading to even greater passenger comfort
include a 31-inch seat pitch and 7 psi pressurization in the cabin. The
30-seat twin turboprop is now equipped with powerful 1,800 SHP Pratt &
Whitney PW118A turboprop engines, and has an even greater cruise speed
(315 kt) as compared with the original aircraft speed, and its maximum
take-off weight has increased to 26,433 lbs.
Recently, Embraer implemented a passive control system
for noise and vibration. The improvement in comfort is perceptible to passengers, since noise and vibration were reduced considerably and were
better distributed along the length of the cabin.
The aircraft has offered superior safety levels since
its inception, designed in compliance with FAR 25 requirements – the
same that apply to large jetliners such as the Boeing 747. Extensive
ongoing testing has been carried out to ensure the aircraft’s continued
reliability and safety. On March 12, 1996, Embraer received a special
certificate of recognition from the FAA for initiating an intensive and
comprehensive test of the EMB-120 Brasilia in super-cooled large droplet
icing conditions which demonstrated the aircraft’s safety.
The Brasilia is flown by 29 companies in 14 countries.
The world fleet has logged more than five million flight hours and carried
more than 60 million passengers. At present, the EMB-120 Brasilia commands
a 24% share of the worldwide sales market, in the 21-40 seat category.
Overall Span 64.90 ft. (19.78 m)
Height (maximum) 20.84 ft. (6.35 m)
Overall Length 65.62 ft. (20.00 m)
Passenger Cabin Dimensions
Width 6.90 ft. (2.10 m)
Height 5.77 ft. (1.76 m)
Volume 222 cu. ft. (6.30 cu. m)
Capacity 1,543 lbs. (700 kg)
Volume 1,185 cu. ft. (33.6 cu. m)
Design Weights (note: 120ER Model)
Maximum Take-off 26,433 lbs. (11,990 kg)
Maximum Landing 25,794 lbs. (11,700 kg)
Maximum Zero Fuel 24,030 lbs. (10,900 kg)
Typical basic ops 16,711 lbs. (7,580 kg)
Maximum Payload 7,319 lbs. (3,320 kg)
Typical basic ops 15,050 lbs. (6,772 kg)
Maximum Payload 9,013 lbs. (4,056 kg)
Takeoff Field Length 5,118 ft. (1,560 m)
(SL, ISA, MTOW)
Landing Field Length 4,528 ft. (1,380 m)
Maximum Cruise Speed 314 kts. (582 km/h)
(ISA, typical cruise wt, FL230)
The EMB-120 Cargo Hauler:
EMB-120 Cargo Conversion Overview (STC #ST00598WI)
Cargo up to 6,000 lbs may be distributed equally between
compartments 1,2 and 3. The remainder of cargo allowed by the aircraft
weight and center of gravity limitations may be divided between
compartment 1,2,3 and 4. Loose packages retained by the barrier nets must
not exceed the floor loading of 100 pounds per square foot, or the total
compartment capacities noted above. Loose packages in excess of 75 lbs and
15" square are considered non-standard articles and may be secured in
any compartments (subject to total weight and floor limitations noted) by
the use of the floor fittings and tie-down devices.
This aircraft is equipped, in all compartments, with
anchor plate cargo tie-down rings and cargo track with an allowable load
of 4,000 lbs vertical or 3,000 lbs around any element of a 45 degree cone
with the apex at the ring attachment fitting. Each tie-down ring will
restrain a maximum weight of 222 lbs subject to a 9g horizontal
The maximum cargo weight limitations for this
acceleration is predicated on the following factors: aircraft empty
weight, aircraft zero fuel weight, and the aircraft’s maximum
permissible take-off weight (gross weight) by aircraft model(s), i.e.;
EMB-120 RT or ER. The aircraft empty weight with C.G., empty MAC #, along
with zero fuel and gross weight limitations are found in the aircraft
weight and balance manual.
Cargo nets are provided to restrain cargo. They may be
installed at fuselage stations 219, 300, 399, and 488 (approximately).
This STC provides for a supplemental auxiliary tie-down (PN #CS-WW120-2)
net capable of securing individual or collective loads up to 2,600 lbs.
The net is of rectangular design with mesh from
side-to-side and hooks to attach to the floor seat tracks. The net also
has the following characteristics:
- Adjustable hooks and straps located on the aft
sides with quick disconnect hooks on both ends to pull over cargo
and secure as appropriate.
- D-rings located fore and aft and left to right
every 24" on its outside face to allow the operator to use
the net to secure articles of smaller sized packages. This is
accomplished by connecting the adjustable straps and relocating
them to an appropriately located D-ring on the net.
- Net hooks which are secured to the floor track by
using Ancra 40340-10 cargo tie-down rings, which can be located
every 24" on the applicable tracks.
- Individual re-locatable tie down fittings shall
not be located closer than 12" to any barrier net hook ring.
- For individual containers or packages, the net
can be wrapped around or over the article using the adjustable
straps to quarter the article and secure it using appropriately
located D-rings on the net and floor.
- The Adjustable straps located on each net can be
removed by unclasping and used to secure packages or cargo
individually or collectively as required (there are 4 removable
straps per net).
- Each strap is adjustable from 12" to
60" and its maximum load rating is 500 lbs per strap.
Standard loading procedures concern all articles of
freight or cargo that weigh less than 75 lbs (U.S.) single unit weight.
The physical dimensions of any freight package is of no concern if its
total weight is less than 75 lbs. The operator is unrestricted in loading
of these articles into any loading compartment within the aircraft by
quantity or size, (as long as floor loading and aircraft weight and
balance are maintained within operating limitations) without further
restraining beyond the vertical barrier nets. Any freight that falls
outside of this weight limitation (75 lbs) shall be treated as
non-standard loading and must be handled as such.
The procedures to be used for freight or cargo that is
non-standard to the typical loads expected to be carried in this aircraft
are also outlined. Non-standard loads are defined as freight or cargo that
exceed the 75 lbs (U.S.) single unit weight and packages or containers
that exceed the length of any of one cargo loading compartment.
Regulatory requirements do not allow the carriage of
passengers in a class "E" cargo compartment. Use of the jump
seat (flight attendant seat) for the carriage of passengers is prohibited
when the aircraft is hauling freight or cargo in its’ class
"E" cargo compartment. The smoke curtain and net #1 and #2 must
be disconnected and retracted to allow clear and unrestricted access to
the right hand overwing exit when the jump seat is occupied.
EMB-120 Cargo Specifications
Location: F.S. 219.00 to 300.00
Length: 6.75 linear ft.
Floor Area: 33.10 square ft.
Maximum Weight: 2,600 lbs. (1,179 kg)
Maximum Volume: 232 cubic ft.
Max. Floor Loading: 3,310 lbs.
Location: F.S. 300.00 to 399.00
Length: 8.25 linear ft.
Floor Area: 40.40 square ft.
Maximum Weight: 2,600 lbs. (1,179 kg)
Maximum Volume: 284 cubic ft.
Max. Floor Loading: 4,040 lbs.
Location: F.S. 399.00 to 488.00
Length: 7.40 linear ft.
Floor Area: 36.26 square ft.
Maximum Weight: 2,600 lbs. (1,179 kg)
Maximum Volume: 255 cubic ft.
Max. Floor Loading: 5,082 lbs.
Location: F.S. 488.00 to 635.00
Length: 12.25 linear ft.
Floor Area: 60.00 square ft.
Maximum Weight: 1,213 lbs. (1,179 kg)
Maximum Volume: 391 cubic ft.
Max. Floor Loading: 1,200 lbs.
9,013 lbs (4,087 kg)
Note: Total varies depending on aircraft model and empty weight.
The Modified Cabin
(Forward Facing View)
The Modified Cabin
(Aft Facing View)
The EMB-120 Passenger Configuration:
The passenger cabin is located between the cockpit and
the cargo compartment bulkhead. It incorporates a passenger access door
(forward, left side) hinged to the fuselage at its lower end, and is
fitted with handrails and folding steps. This door may be operated
manually or hydraulically closed, either from inside or outside the
The cabin is also provided with two emergency exit doors
over the wings and a third one just aft of the right wing trailing edge.
All the emergency exits open inward. The passenger access door may also be
used as an emergency exit.
The cabin has been designed to accommodate a maximum of
30 passengers, flight attendant, galley, and toilet.
In most versions, the passenger seats are distributed in
a double seat row (18 seats) on the right side and a single row (11 seats)
on the left side separated by an aisle. A fourth seat is normally
installed in the last row. The seats were designed for a pitch of 31
inches (0.79 m) so as to allow the passengers better mobility and freedom
to movement, but they are not reclinable.
The flight attendant’s station, galley, wardrobes, and
toilet, as well as, the seat distribution may be arranged according to
customer preference. The passenger’s oxygen masks drop from panels
located in the cabin ceiling. An attendant call button, reading light,
"NO SMOKING", and "FASTEN SEAT BELT" signs, and air
conditioning gaspers are located in passenger service units over each seat
The pressurized cargo compartment is located in the aft
fuselage, and is accessible through a wide (51 X 54 inch) sliding door
located on the left side, which is manually operated from the outside
only. This door slides along tow inner rails following the fuselage
contour, assisted by a system of cables. The opening and closing are
achieved by means of a mechanism controlled by an external handle which is
located in the lower half of the door. The mechanism is responsible for
The cargo compartment meets the FAR Part 25 requirements
for class "D" cargo compartments and as such, requires no
provisions for fire extinguishing. Carrying live animals in the cargo
compartment is not recommended.
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