UH-1B Bell 204 Series

 

 
Utility Helicopter 1Bravo

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

Powered by: One 1100 SHP Lycoming T53-L-9A or T53-L-11 Turboshaft

Fuel Consumption: 97.2 g.p.h. normal & 79.1 g.p.h. 75% power

Rotor Diameter: 44 ft. 3.2 in.

Fuselage Length: 39 ft. 0.35 in.

Empty Weight: 4515 lb.

Gross Weight: 8600 lb.

Maximum Speed: 138 M.P.H.

Range: 230 miles

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


OVERHAUL SCHEDUALE

 

MAIN ROTOR

204-011-101-3/5/9

Hub Assembly

1100 HRS.

204-011-101-11

Hub Assemble

1200 HRS.

 

TRANSMISSION

204-040-009-7/13/19/31/61

Transmission Assembly

1100 HRS.

204-040-016-1/3

Transmission Assembly

1100 HRS.

204-040-016-5

Transmission Assemble

1500 HRS.

205-040-263-3

Main Input Quill Assy.

1500 HRS.

204-040-366-9/15

Mast Assembly

1500 HRS.

 

 

TAIL ROTOR and DRIVE SYSTEM

204-040-003-7/13/19/23/29/37

42 Gear Box

1500 HRS.

204-040-012-13

90 Gear Box

1200 HRS.

 

 

MAST CONTROLS

204-011-400-1/3/5/7/9

Swashplate & Support Assy.

1100 HRS.

204-011-400-11

Swashplate & Support Assy

1200 HRS.

204-011-401-1/3/5

Scissors & Sleeve Assy.

1100 HTS.

204-011-401-11

Scissors & Sleeve Assy.

1200 HRS.

 

POWER PLANT

T53-L-9

Engine

1200 HRS.

T53-L-11

Engine

1200 HRS.

T53-L-11B

Engine

1200 HRS.

T53-L-11C

Engine

1800 HRS.

T53-L-11D

Engine

1800 HRS.

1-100-490-04

Rotor, Turbine

1200 HRS.

 

RETIREMENT SCHEDULE

 

MAIN ROTOR

204-011-001-15

Blade Assembly

1000 HRS.

MAIN ROTOR HUB

 

 

204-011-113-1

Strap Assembly

1200 HRS.

204-012-104-1/3/5

Strap Retention Pin

2400 HRS.

204-011-142-3

Clevis Drag Brace

3600 HRS.

204-011-179-1

Clevis Drag Brace

3600 HRS.

 

TRANSMISSION

204-040-136-7/9

Mast Bearing

1100 HRS.

 

TAIL ROTOR AND DRIVE SYSTEM

204-011-702-11

Blade Assembly

1100 HRS.

204-011-702-15

Blade Assembly

1200 HRS.

204-011-702-17

Blade Assembly

1200 HRS.

TAIL ROTOR HUB

 

 

204-011-722-1

Yoke Assembly

1000 HRS.

204-011-722-5

Yoke Assembly

1500 HRS.

204-011-728-1

Grip Assembly

500 HRS.

204-011-728-19

Grip Assembly

500 HRS.

 

MAST CONTROLS

204-011-404-1

Swashplate Support

3300 HRS.

204-011-404-5

Swashplate Support

3300 HRS.

 

204-011-406-5/9/13

Scissors Lever Assembly

3600 HRS.

204-011-438-1

Collective Lever Assy.

2400 HRS.

STABILIZER BAR ASSEMBLEY

 

204-011-307-1

Center Frame Set

2400 HRS.

204-011-328-1/11

Stabilizer Bar Tube

5 yrs.

 

SYNCHRONIZED ELEVATOR

204-030-858-43/44

Elevator Assembly

3600 HRS.

204-001-937-5

Horn, Elevator Control

3600 HRS.

205-030-856-19/21

Elevator Assembly

3600 HRS.

205-001-914-5

Horn, Elevator Control

3600 HRS.

 

ROTATING CONTROL SYSTEM BOLTS

NAS 1305-27D

Mixing Lever to Scissors

@ PMP inspection

NAS 1306-34D

Mixing Lever to Universal

@ PMP inspection

NAS 1306-27DH

Pitch Link to Universal

@ PMP inspection

NAS 1306-32D

Pitch Link to Pitch Horn

@ PMP inspection

NAS 1305-27D

Scissors Tube to Scissors

@ PMP inspection

NAS 464P-8-90

Scissors Pivot

@ PMP inspection

NAS 464P-8-69

Scissors to Drive Link

@ PMP inspection

 

ROTATING CONTROL SYSTEM BOLTS Continued

AN 175-16

Cyclic Tube to Swashplate

@ PMP inspection

AN 175-16

Coll. Tube to Coll. Lev.

@ PMP inspection

NAS 1305-30D

Drive Link to Swashplate

@ PMP inspection

 

 

NOTES:

 

1.        Redesigned in 1962 from HU-1B to UH-1B

2.        Production suspended in 1965

3.        Most 'B' models were later fitted with 'C' model Tailbooms.

4.        900 shp is normal, 1100 shp is for take off

 

 

U.S. ARMY SERIAL NUMBERS

 

60-3546

Through

60-3619

61-686

Through

61-803

62-1872

Through

62-2105

62-4566

Through

62-4605

62-12515

Through

62-12555

63-8500

Through

63-8738

63-12903

Through

63-12952

64-13902

Through

64-13902

 

 

 

 

 

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


1)       Helicopter Fwd. 204-200-010-1 to -35

2)       Helicopter Aft. 204-200-011-1 to 29

3)       Landing Gear

4)       Power plant see overhaul schedule

5)       Transmission & Mast see overhaul schedule

6)       Drive Shaft engine to trans. 204-040-010-5

7)       Pylon Installation

8)       Shaft installation 204-040-620-7

9)       Hub & Blade

10)    Elevator Installation