1.-Cap Aeronave General
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Bell 412Bell 412Aircraft GeneralAircraft General
Bell 412Bell 412Aircraft GeneralAircraft General
Chapter 1Chapter 1
Max Gross - 11,200 lbsMax Gross - 11,200 lbs Max Gross - 11,900 lbsMax Gross - 11,900 lbs
Vne - 120 KIASVne - 120 KIAS Vne - 140 KIASVne - 140 KIAS
2 Blades2 Blades 4 Blades = Softer/Quieter ride4 Blades = Softer/Quieter ride
Standard SeatsStandard Seats Energy Attenuating seatsEnergy Attenuating seats
Higher TBO timesHigher TBO times
Four Bladed Rotor SystemFour Bladed Rotor SystemFour Bladed Rotor SystemFour Bladed Rotor System
AdvantagesAdvantages
More liftMore liftReduced diameterReduced diameter
QuieterQuieterStronger - FiberglassStronger - Fiberglass
Rigid Rigid “Soft-in-Plane”“Soft-in-Plane”
Rigid Rigid “Soft-in-Plane”“Soft-in-Plane”
More control powerMore control power
Simpler designSimpler design
Fewer moving partsFewer moving parts
More control powerMore control power
Simpler designSimpler design
Fewer moving partsFewer moving parts
Elastomeric bearingsElastomeric bearings Elastomeric bearingsElastomeric bearings
Rigid Rigid “Soft-in-Plane”“Soft-in-Plane”
Rigid Rigid “Soft-in-Plane”“Soft-in-Plane”
Lower maintenance costsLower maintenance costsLower maintenance costsLower maintenance costsLess wear/Extended lifeLess wear/Extended lifeLess wear/Extended lifeLess wear/Extended life
Sculptured Rotor BladesSculptured Rotor BladesSculptured Rotor BladesSculptured Rotor Blades
All composite All composite constructionconstruction
Softer/Quieter rideSofter/Quieter ride
More efficient More efficient designdesign
All composite All composite constructionconstruction
Softer/Quieter rideSofter/Quieter ride
More efficient More efficient designdesign
Improved VNEImproved VNEImproved VNEImproved VNE
Higher AirspeedsHigher Airspeeds
Depends on HDepends on HD D onlyonly
(Not on gross weight)(Not on gross weight)
Other ImprovementsOther ImprovementsOther ImprovementsOther Improvements
Upgraded TransmissionUpgraded Transmission
412SP = 1400 SHP412SP = 1400 SHP
412HP/EP = 1585 SHP412HP/EP = 1585 SHP
Reduced Pilot WorkloadReduced Pilot WorkloadReduced Pilot WorkloadReduced Pilot Workload
Full time dual AFCSFull time dual AFCS
Reduced Pilot WorkloadReduced Pilot WorkloadReduced Pilot WorkloadReduced Pilot Workload Optional Flight DirectorOptional Flight Director
General PerformanceGeneral PerformanceGeneral PerformanceGeneral Performance
Maximum gross weight - 11,900 lbsMaximum gross weight - 11,900 lbs 15 Seats15 Seats Certified Single Pilot IFR (Nonicing)Certified Single Pilot IFR (Nonicing) 220 cu. ft. cargo capacity (w/o seats)220 cu. ft. cargo capacity (w/o seats) 28 cu. ft. baggage compartment capacity28 cu. ft. baggage compartment capacity Maximum Vne 140 KIASMaximum Vne 140 KIAS 20,000 ft Maximum Altitude20,000 ft Maximum Altitude Max/Min Temperature +52Max/Min Temperature +52ooC/-40C/-40ooCC
Major SectionsMajor SectionsMajor SectionsMajor Sections
Forward FuselageForward Fuselage
Crew CockpitCrew Cockpit Passenger CabinPassenger Cabin
Landing GearLanding Gear Pylon & TransmissionPylon & Transmission
PowerplantPowerplant Main RotorMain Rotor
Forward FuselageForward Fuselage
Crew CockpitCrew Cockpit Passenger CabinPassenger Cabin
Landing GearLanding Gear Pylon & TransmissionPylon & Transmission
PowerplantPowerplant Main RotorMain Rotor
Aft FuselageAft FuselageAft FuselageAft Fuselage
SupportsSupports
Dynamic ElevatorDynamic Elevator
TailskidTailskid Baggage Baggage
CompartmentCompartment
Tail RotorTail Rotor
SupportsSupports
Dynamic ElevatorDynamic Elevator
TailskidTailskid Baggage Baggage
CompartmentCompartment
Tail RotorTail Rotor
Crew CompartmentCrew Compartment Overhead Console
Instrument Panel
Center Pedestal
Overhead Console
Instrument Panel
Center Pedestal
Crew SeatsCrew SeatsCrew SeatsCrew SeatsCOMFORTABLECOMFORTABLE
WITH WITH ADJUSTABLE LUMBAR ADJUSTABLE LUMBAR
SUPPORTSUPPORT SEAT BELTSEAT BELTWITHWITH
SHOULDER HARNESSSHOULDER HARNESS
3G INERTIAL3G INERTIALREEL LOCKREEL LOCK
Crew SeatsCrew SeatsCrew SeatsCrew Seats
Seat is energy attenuatingSeat is energy attenuating
Crushable graphite tubeCrushable graphite tube
Keep feet and things out from under seatKeep feet and things out from under seat
Adjustable fore & aft/up & downAdjustable fore & aft/up & down
Seat is energy attenuatingSeat is energy attenuating
Crushable graphite tubeCrushable graphite tube
Keep feet and things out from under seatKeep feet and things out from under seat
Adjustable fore & aft/up & downAdjustable fore & aft/up & down
Crew DoorsCrew DoorsCrew DoorsCrew Doors
Single handle opens outwardSingle handle opens outwardSliding window (up/down)Sliding window (up/down)
Roller latches at top of doorRoller latches at top of doorEmergency jettison mechanismEmergency jettison mechanismPull handle & push out at Pull handle & push out at `bottom of door to jettison`bottom of door to jettison
Passenger DoorsPassenger DoorsPassenger DoorsPassenger Doors
PASSENGER COMPARTMENT DOORPASSENGER COMPARTMENT DOOR
HINGED DOORHINGED DOORPANELPANEL
PASSENGER DOORPASSENGER DOORMICROSWITCHMICROSWITCH
DOORLOCK
DOORLOCK
CAUTION PANELCAUTION PANELSEGMENTSEGMENT
Passenger CompartmentPassenger CompartmentEmergency ExitsEmergency Exits
Passenger CompartmentPassenger CompartmentEmergency ExitsEmergency Exits
Push out windowsPush out windows
PUSH WITHPUSH WITH40# PRESSURE40# PRESSURE
Held in with rubber Held in with rubber grommet. Check on grommet. Check on
preflightpreflight
Decals with instructionsDecals with instructions
Must be used in Must be used in ditching to avoid cutting ditching to avoid cutting
floatsfloats
Landing GearLanding GearLanding GearLanding Gear Solid mounting of forward Solid mounting of forward
crossover tubecrossover tube Pivoting mounting of rear Pivoting mounting of rear
crossover tubecrossover tube Standard height = 12 inch Standard height = 12 inch
clearanceclearance High gear = 19 inch clearanceHigh gear = 19 inch clearance
AFT CROSSOVER TUBEMOUNT
STANDARD LANDING GEAR
Passenger StepsPassenger StepsPassenger StepsPassenger Steps
Electric Steps optional Electric Steps optional to both types of gearto both types of gear
Electrically operated from STEP switchElectrically operated from STEP switch
28VDC powered28VDC powered
Aft FuselageAft FuselageAft FuselageAft Fuselage
TAIL BOOMTAIL BOOM
BAGGAGEBAGGAGECOMPARTMENTCOMPARTMENT(Opposite Side)(Opposite Side)
TAIL ROTORTAIL ROTOR&&
TAIL ROTOR DRIVETAIL ROTOR DRIVESYSTEMSYSTEM
DYNAMIC ELEVATORDYNAMIC ELEVATORTAIL SKIDTAIL SKID
Baggage CompartmentBaggage CompartmentBaggage CompartmentBaggage Compartment
Flush mounted doorFlush mounted door Key lock handleKey lock handle 28 cu. ft. space28 cu. ft. space 400 lb. max weight400 lb. max weight 100 lbs/sq.ft floor 100 lbs/sq.ft floor
loadingloading Microswitch door Microswitch door
latchlatch Door lock CPSDoor lock CPS
DOORLOCK
DOORLOCK
Interior lightInterior light Cargo TiedownsCargo Tiedowns
Parking, Parking, Mooring & TowingMooring & Towing
Parking, Parking, Mooring & TowingMooring & Towing
TAIL ROTORTIEDOWN STRAP
ENGINE EXHAUSTCOVERSSOCK
ASSEMBLIES
PITOT TUBECOVERS
ENGINE INLETSHIELD
GROUNDHANDLINGWHEELS
AFTMOORING FITTING
FORWARDMOORINGFITTING
ParkingParkingParkingParking
Level smooth surfaceLevel smooth surface Blades 45Blades 45o o angle to centerlineangle to centerline Winds 0 - 20 knotsWinds 0 - 20 knots
Park into windPark into windshort time - no cover short time - no cover
requiredrequiredovernight - all covers overnight - all covers
including bladesincluding blades Winds 20 - 45 knotsWinds 20 - 45 knots
As above, all covers installedAs above, all covers installed
ParkingParking(RFM)(RFM)
ParkingParking(RFM)(RFM)
Winds 45 - 70 knots Winds 45 - 70 knots
As above, all As above, all covers installedcovers installed
Moor to Moor to surfacesurfaceUse mooring points, not skidsUse mooring points, not skids
Winds above 75 knotsWinds above 75 knotsHangar, orHangar, orFly awayFly away
MooringMooringMooringMooring 4 aircraft 4 aircraft
mooring pointsmooring points Also used for Also used for
tiedownstiedowns
TowingTowingTowingTowing MGW = 9500 LBSMGW = 9500 LBSBALANCE AT TAILBALANCE AT TAIL
MAX SPEED = 5 MPHMAX SPEED = 5 MPHAVOID BUMPSAVOID BUMPS
MGW = 9500 LBSMGW = 9500 LBSBALANCE AT TAILBALANCE AT TAIL
MAX SPEED = 5 MPHMAX SPEED = 5 MPHAVOID BUMPSAVOID BUMPS
TOW BARTOW BARTOW BARTOW BAR
TOW RINGSTOW RINGSTOW RINGSTOW RINGS
GROUND HANDLING GROUND HANDLING WHEELSWHEELS
GROUND HANDLING GROUND HANDLING WHEELSWHEELS
1. What is the maximum gross 1. What is the maximum gross weight for the 412?weight for the 412?1. What is the maximum gross 1. What is the maximum gross weight for the 412?weight for the 412?
a. 10,600 Ibs.a. 10,600 Ibs.
b. 11,200 Ibs.b. 11,200 Ibs.
c. 11,600 Ibs.c. 11,600 Ibs.
d. 11,900 1bs.d. 11,900 1bs.
1. What is the maximum gross 1. What is the maximum gross weight for the 412?weight for the 412?1. What is the maximum gross 1. What is the maximum gross weight for the 412?weight for the 412?
a. 10,600 Ibs.a. 10,600 Ibs.
b. 11,200 Ibs.b. 11,200 Ibs.
c. 11,600 Ibs.c. 11,600 Ibs.
d. 11,900 1bs.d. 11,900 1bs.
2. What is the VNE for the 412?2. What is the VNE for the 412?2. What is the VNE for the 412?2. What is the VNE for the 412?
a. 140 Knots for all configurations.a. 140 Knots for all configurations.
b. 140 Knots below 3,000 ft. b. 140 Knots below 3,000 ft. density altitude under all density altitude under all conditions.conditions.
c. 140 Knots, except as limited by c. 140 Knots, except as limited by temperature and pressure temperature and pressure altitude.altitude.
d. 140 Knots, except as limited by d. 140 Knots, except as limited by gross weightgross weight
2. What is the VNE for the 412?2. What is the VNE for the 412?2. What is the VNE for the 412?2. What is the VNE for the 412?
a. 140 Knots for all configurations.a. 140 Knots for all configurations.
b. 140 Knots below 3,000 ft. b. 140 Knots below 3,000 ft. density altitude under all density altitude under all conditions.conditions.
c. 140 Knots, except as limited by c. 140 Knots, except as limited by temperature and pressure temperature and pressure altitude.altitude.
d. 140 Knots, except as limited by d. 140 Knots, except as limited by gross weightgross weight
3. What is the minimum flight 3. What is the minimum flight crew required by FAA crew required by FAA certification? certification?
3. What is the minimum flight 3. What is the minimum flight crew required by FAA crew required by FAA certification? certification? a. 2 Pilots VFRa. 2 Pilots VFR
b. 2 Pilots IFR.b. 2 Pilots IFR.
c. 1 Pilot VFR or IFR.c. 1 Pilot VFR or IFR.
d. A and C.d. A and C.
3. What is the minimum flight 3. What is the minimum flight crew required by FAA crew required by FAA certification? certification?
3. What is the minimum flight 3. What is the minimum flight crew required by FAA crew required by FAA certification? certification? a. 2 Pilots VFRa. 2 Pilots VFR
b. 2 Pilots IFR.b. 2 Pilots IFR.
c. 1 Pilot VFR or IFR.c. 1 Pilot VFR or IFR.
d. A and C.d. A and C.
4. What is the total seating 4. What is the total seating capacity for the 412 (Passengers capacity for the 412 (Passengers + Crew)?+ Crew)?
4. What is the total seating 4. What is the total seating capacity for the 412 (Passengers capacity for the 412 (Passengers + Crew)?+ Crew)?a. 11 Personnel with both aux a. 11 Personnel with both aux
tanks installed.tanks installed.b 13 Personnel with one aux b 13 Personnel with one aux
tank installed.tank installed.c. 15 Personnel with no aux c. 15 Personnel with no aux
tanks installed.tanks installed.d All of the above.d All of the above.
4. What is the total seating 4. What is the total seating capacity for the 412 (Passengers capacity for the 412 (Passengers + Crew)?+ Crew)?
4. What is the total seating 4. What is the total seating capacity for the 412 (Passengers capacity for the 412 (Passengers + Crew)?+ Crew)?a. 11 Personnel with both aux a. 11 Personnel with both aux
tanks installed.tanks installed.
b 13 Personnel with one aux b 13 Personnel with one aux tank installed.tank installed.
c. 15 Personnel with no aux c. 15 Personnel with no aux tanks installed.tanks installed.
d All of the above.d All of the above.
5. What causes the illumination of 5. What causes the illumination of the DOOR LOCK CPS?the DOOR LOCK CPS?5. What causes the illumination of 5. What causes the illumination of the DOOR LOCK CPS?the DOOR LOCK CPS?
a. Crew doors open.a. Crew doors open.
b. Passenger door(s) open.b. Passenger door(s) open.
c. Baggage compartment door c. Baggage compartment door open.open.
d. B and C.d. B and C.
5. What causes the illumination of 5. What causes the illumination of the DOOR LOCK CPS?the DOOR LOCK CPS?5. What causes the illumination of 5. What causes the illumination of the DOOR LOCK CPS?the DOOR LOCK CPS?
a. Crew doors open.a. Crew doors open.
b. Passenger door(s) open.b. Passenger door(s) open.
c. Baggage compartment door c. Baggage compartment door open.open.
d. B and C.d. B and C.
6. Emergency exits in the 412 6. Emergency exits in the 412 include:include:6. Emergency exits in the 412 6. Emergency exits in the 412 include:include:
a. Crew doors.a. Crew doors.
b. Passenger door windows.b. Passenger door windows.
c. All windows and doors.c. All windows and doors.
d A and B.d A and B.
6. Emergency exits in the 412 6. Emergency exits in the 412 include:include:6. Emergency exits in the 412 6. Emergency exits in the 412 include:include:
a. Crew doors.a. Crew doors.
b. Passenger door windows.b. Passenger door windows.
c. All windows and doors.c. All windows and doors.
d A and B.d A and B.
7. What are the landing gear 7. What are the landing gear (skid) options available on the (skid) options available on the 412?412?
7. What are the landing gear 7. What are the landing gear (skid) options available on the (skid) options available on the 412?412?a. Low skid gear.a. Low skid gear.
b. High skid gear.b. High skid gear.
c. Float type landing gear.c. Float type landing gear.
d. All of the above.d. All of the above.
7. What are the landing gear 7. What are the landing gear (skid) options available on the (skid) options available on the 412?412?
7. What are the landing gear 7. What are the landing gear (skid) options available on the (skid) options available on the 412?412?a. Low skid gear.a. Low skid gear.
b. High skid gear.b. High skid gear.
c. Float type landing gear.c. Float type landing gear.
d. All of the above.d. All of the above.
8. What is the maximum baggage 8. What is the maximum baggage compartment loading on the Bell compartment loading on the Bell 412?412?
8. What is the maximum baggage 8. What is the maximum baggage compartment loading on the Bell compartment loading on the Bell 412?412?a. 400 lbs. at 400 lbs. per sq. ft.a. 400 lbs. at 400 lbs. per sq. ft.
b. 400 lbs. at 100 lbs. per sq. ft.b. 400 lbs. at 100 lbs. per sq. ft.
c. 200 lbs. fore, 200 lbs. aft at c. 200 lbs. fore, 200 lbs. aft at 100 lbs. per sq. ft.100 lbs. per sq. ft.
d. 200 lbs. at 100 lbs. per sq. ft.d. 200 lbs. at 100 lbs. per sq. ft.
8. What is the maximum baggage 8. What is the maximum baggage compartment loading on the Bell compartment loading on the Bell 412?412?
8. What is the maximum baggage 8. What is the maximum baggage compartment loading on the Bell compartment loading on the Bell 412?412?a. 400 lbs. at 400 lbs. per sq. ft.a. 400 lbs. at 400 lbs. per sq. ft.
b. 400 lbs. at 100 lbs. per sq. ft.b. 400 lbs. at 100 lbs. per sq. ft.
c. 200 lbs. fore, 200 lbs. aft at c. 200 lbs. fore, 200 lbs. aft at 100 lbs. per sq. ft.100 lbs. per sq. ft.
d. 200 lbs. at 100 lbs. per sq. ft.d. 200 lbs. at 100 lbs. per sq. ft.
9 What is the maximum gross 9 What is the maximum gross weight for ground handling?weight for ground handling?9 What is the maximum gross 9 What is the maximum gross weight for ground handling?weight for ground handling?
a . 8,000 I bs.a . 8,000 I bs.
b. 7,500 Ibs.b. 7,500 Ibs.
c. 11,000 Ibs.c. 11,000 Ibs.
d. 9,500 Ibs.d. 9,500 Ibs.
9 What is the maximum gross 9 What is the maximum gross weight for ground handling?weight for ground handling?9 What is the maximum gross 9 What is the maximum gross weight for ground handling?weight for ground handling?
a . 8,000 I bs.a . 8,000 I bs.
b. 7,500 Ibs.b. 7,500 Ibs.
c. 11,000 Ibs.c. 11,000 Ibs.
d. 9,500 Ibs.d. 9,500 Ibs.
10. At what wind speed should the 10. At what wind speed should the A/C A/C be moored to surface?be moored to surface?
10. At what wind speed should the 10. At what wind speed should the A/C A/C be moored to surface?be moored to surface?a. 10 to 30 a. 10 to 30
knots.knots.
b. 45 to 70 b. 45 to 70 knots.knots.
c. 30 to 45 c. 30 to 45 knots.knots.
d. 20 to 40 d. 20 to 40 knots.knots.
10. At what wind speed should the 10. At what wind speed should the A/C A/C be moored to surface?be moored to surface?
10. At what wind speed should the 10. At what wind speed should the A/C A/C be moored to surface?be moored to surface?a. 10 to 30 a. 10 to 30
knots.knots.
b. 45 to 70 b. 45 to 70 knots.knots.
c. 30 to 45 c. 30 to 45 knots.knots.
d. 20 to 40 d. 20 to 40 knots.knots.