UH-1A                                                                                         Bell 204 Series

HU-1A (prior to 1962)   

 
Utility Helicopter –1Alpha

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA

Powered by:  One 770 SHP Lycoming T53-L-1A Turboshaft

Fuel Consumption:  77 g.p.h. normal

Rotor Diameter:   44 ft.   0 in.

Fuselage Length:   39 ft.  0.35 in.

Empty Weight:   4500 lb.

Gross Weight:   6500 lb.

Maximum Speed:   127 M.P.H.

Range:   308 miles

 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


OVERHAUL SCHEDUALE

 

MAIN ROTOR

204-010-190-3/7

HUB ASSEMBLY

600 HRS.

204-010-133-7

Blade Retention Bolt

1200 HRS.

 

 

TRANSMISSION

204-040-001-13/17

Transmission Assembly

1100 HRS.

204-040-214-1/3

Mast Assembly

300 HRS.

204-040-214-5

Mast Assembly

1100 HRS.

 

 

TAIL ROTOR and DRIVE SYSTEM

204-010-784-3

Hub Assembly

1100 HRS. *

204-010-703-21

Hub Assembly

1100 HRS. *

204-040-004-19/19A/25/31

90º Gear Box

1100 HRS. *

204-040-004-33

90º Gear Box

1100 HRS.

204-040-003-13/23

42º Gear Box

1500 HRS.

 

 

MAST CONTROLS

204-010-470-5/9

Swashplate & Support Assy.

1100 HRS.

204-010-489-3/7

Scissors & Sleeve Assy.

1100 HRS.

204-010-487-1/3

Scissors & Sleeve Assy.

1100 HTS.

204-010-370-3/5/7

Stabilizer Bar Assy.

conditional

204-010-370-9

Stabilizer Bar Assy.

conditional

 

 

POWER PLANT

T53-L-1A

Engine

1200 HRS.

                                                                               

 

 

RETIREMENT SCHEDULE

 

MAIN ROTOR

204-010-051-1

Blade Assembly

1100 HRS.

MAIN ROTOR HUB

 

 

204-010-161-1

GRIP

1200 HRS.

204-010-173-7

Strap Assembly

600 HRS.

204-010-185-1

Pitch Horn

1200 HRS.

204-010-185-5

Pitch Horn

1200 HRS.

204-010-517-1

Drag Brace Assembly

1200 HRS.

 

TRANSMISSION

204-040-151-9

Planetary Spacer Case

400 HRS.

204-040-136-1 /5

Mast Bearing

300 HRS.

204-040-136-7

Mast Bearing

1100 HRS.

 

TAIL ROTOR AND DRIVE SYSTEM

204-010-771-7/9

Blade Assembly

3000 HRS.

TAIL ROTOR HUB

 

 

204-011-701-7/21/23

Hub Assembly

1100 HRS.

204-010-706-9/11

Grip

1100 HRS.

204-010-710-1

Yoke

3300 HRS.

204-010-781-1

Yoke

3300 HRS.

90º GEAR BOX

 

 

204-010-720-1

Slider

400 HRS.

 

MAST CONTROLS

204-010-439-1

Scissors

1100 HRS.

204-010-440-1

Drive Link

1100 HRS.

STABILIZER BAR ASSEMBLEY

 

               

204-010-380-1

Stabilizer Bar Tube

300 HRS.

204-010-368-17

Center Frame Set

1200 HRS.

204-010-390-1

Mixing Lever

1200 HRS.

204-010-390-5

Mixing Lever

1200 HRS.

204-010-348-13

Control Tube

1100 HRS.

204-010-374-7

Pitch Link

1100 HRS.

 

 

 

SYNCHRONIZED ELEVATOR

204-030-858-25/26/37/38

Elevator Assembly

1100 HRS.

204-001-937-1

Horn, Elevator Control

1100 HRS.

204-030-858-43/44

Elevator Assembly

3000 HRS.

204-001-937-5

Horn, Elevator Control

3000 HRS.

 

 

 

 

ROTATING CONTROL SYSTEM BOLTS

NAS1304-26D

Pitch Horn to Pitch Link

50/60 HRS.

Nas464-6-26

Pitch Horn to Pitch Link

50/60 HRS.

NAS1305-26D

Pitch Horn to Pitch Link

50/60 HRS.

NAS1304-26D

Pitch Link to Universal

400 HRS.

Nas1305-26D

Pitch Link to Universal

400 HRS.

NAS1304-30D

Universal to Mixing Lever

50/60 HRS.

NAS1304-30D

Drive Link to (204-010- 446-3) Trunnion

400 HRS.

 

 

NOTES:

 

1.        Delivery started June 30 1959 of nine helicopters

2.        Capacity is crew of two plus six passengers or two litters

3.        The HU-1A is where the nickname “HUEY” derived from.

4.        Redesigned in 1962 from HU-1A to UH-1A

 

 

 

U.S. ARMY SERIAL NUMBERS

58-2078 through 58-2093

58-3017 through 58-3047

59-1607 through 59-1716

60-3530 through 60-3545