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All BAS Locations will close at 2:30 pm MST July 2nd, 2026

All Freight Orders will ship Monday, July 6th

We're back to normal business hours Monday, July 6th

If you need parts on the way fast, place your order ASAP to ensure delivery.

Robinson Helicopter & Airplane Parts

  • C146-4-L Robinson R44II Main Rotor Gearbox Gear C146-4-L Robinson R44II Main Rotor Gearbox Gear C146-4-L Robinson R44II Main Rotor Gearbox Gear C146-4-L Robinson R44II Main Rotor Gearbox Gear C146-4-L Robinson R44II Main Rotor Gearbox Gear

    Robinson Helicopter & Airplane Parts

    C146-4-L Robinson R44II Main Rotor Gearbox Gear

    Details about this unit: Part Number: C146-4-L Need a little more hangar talk before you buy? We're ready to help. 90-Day Money-Back Guarantee: Guaranteed to work and pass your inspection, or your...

    $150.00
    Add to Cart
    SKU: N644ME-58KW
    Removed From: Robinson R44II
  • C150-1 Robinson R44II Droop Stop Main Rotor BAS Part Sales | Airplane Parts C150-1 Robinson R44II Droop Stop Main Rotor C150-1 Robinson R44II Droop Stop Main Rotor C150-1 Robinson R44II Droop Stop Main Rotor C150-1 Robinson R44II Droop Stop Main Rotor

    Robinson Helicopter & Airplane Parts

    C150-1 Robinson R44II Droop Stop Main Rotor

    Details about this unit: Part Number: C150-1 Fits various Robinson R44 models Multiple units available: More than one of this item is in stock, so the unit you receive may not be the exact one...

    $50.00
    Add to Cart
    SKU: 233429868258
    Removed From: Robinson R44II
  • C152-1 Robinson R44 Thrust Washer C152-1 Robinson R44 Thrust Washer C152-1 Robinson R44 Thrust Washer C152-1 Robinson R44 Thrust Washer C152-1 Robinson R44 Thrust Washer

    Robinson Helicopter & Airplane Parts

    C152-1 Robinson R44 Thrust Washer

    Details about this unit: Part Number: C152-1 Multiple units available: More than one of this item is in stock, so the unit you receive may not be the exact one pictured. Need a little more hangar...

    $40.00
    Add to Cart
    SKU: N441HQ-66AR
    Removed From: Robinson R44
  • C154-1 Robinson R44II Main Rotor Hub Assembly (Minor Damage) C154-1 Robinson R44II Main Rotor Hub Assembly (Minor Damage) C154-1 Robinson R44II Main Rotor Hub Assembly (Minor Damage) C154-1 Robinson R44II Main Rotor Hub Assembly (Minor Damage) C154-1 Robinson R44II Main Rotor Hub Assembly (Minor Damage)

    Robinson Helicopter & Airplane Parts

    C154-1 Robinson R44II Main Rotor Hub Assembly (Minor Damage)

    Some details about this part: Part Number: C154-1 Total Time: 2149.00 Time Remaining: 51.00 Install Date: 10-11-2006 Part Life: 2200 hours Minor damage to the hub near the bushings, see pictures for...

    $525.00
    Add to Cart
    SKU: N999PUKW17
    Removed From: Robinson R44II
  • N644ME-71KW-N6 N644ME-71KW-N6 N644ME-71KW-N6 N644ME-71KW-N6 N644ME-71KW-N6

    Robinson Helicopter & Airplane Parts

    C158-1 Robinson R44II Main Rotor Spindle Assembly (Core)

    Some details about this part: Part Number: C158-1 N644ME-71KW-N6: Serial Number: 15613 Revision: I Total Time: 1018.58 Time Remaining: 1181.42 Installed: NEW on 1-13-2015 Overhaul Every: 2200...

    $500.00
    Choose Options
    SKU: N644ME-71KW
    Removed From: Robinson R44II
  • C167-5 Robinson R44II Tail Rotor Clutch Pulley C167-5 Robinson R44II Tail Rotor Clutch Pulley C167-5 Robinson R44II Tail Rotor Clutch Pulley C167-5 Robinson R44II Tail Rotor Clutch Pulley C167-5 Robinson R44II Tail Rotor Clutch Pulley

    Robinson Helicopter & Airplane Parts

    C167-5 Robinson R44II Tail Rotor Clutch Pulley

    Some details about this part: Part Number: C167-5 If you need additional pictures or have any questions, please let us know. 90-Day Money Back Guarantee: Guaranteed to work and pass your inspection...

    $2,250.00
    Add to Cart
    SKU: N944BCKW53
    Removed From: Robinson R44II
  • Robinson Helicopter & Airplane Parts C168-5 Robinson R44II Tail Rotor Clutch Cover Plate Robinson Helicopter & Airplane Parts C168-5 Robinson R44II Tail Rotor Clutch Cover Plate Robinson Helicopter & Airplane Parts C168-5 Robinson R44II Tail Rotor Clutch Cover Plate Robinson Helicopter & Airplane Parts C168-5 Robinson R44II Tail Rotor Clutch Cover Plate Robinson Helicopter & Airplane Parts C168-5 Robinson R44II Tail Rotor Clutch Cover Plate

    Robinson Helicopter & Airplane Parts

    C168-5 Robinson R44II Tail Rotor Clutch Cover Plate

    Details about this unit: Part Number: C168-5 Need a little more hangar talk before you buy? We're ready to help. 90-Day Money-Back Guarantee: Guaranteed to work and pass your inspection, or your...

    $100.00
    Add to Cart
    SKU: N7530U-69KW
    Removed From: Robinson R44II
  • C169-10 Lycoming O-540 / IO-540 Robinson R44 Riser Cylinder 4 BAS Part Sales | Airplane Parts C169-10 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 4 C169-10 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 4 C169-10 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 4 C169-10 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 4

    Robinson Helicopter & Airplane Parts

    C169-10 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 4

    Some details about this part: Part Number: C169-10 Removed From: Lycoming O-540 or IO-540 Fits: Cylinder 4 Due to multiple items available you may not receive the item pictured Unless specifically...

    $35.00
    Add to Cart
    SKU: 233164174790
    Removed From: Robinson R44
  • C169-29 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 5 BAS Part Sales | Airplane Parts C169-29 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 5 C169-29 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 5 C169-29 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 5 C169-29 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 5

    Robinson Helicopter & Airplane Parts

    C169-29 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 5

    Some details about this part: Part Number: A169-29 Removed From: Lycoming IO-540-AE1A5 Fits: Cylinder #5 Due to multiple items available you may not receive the item pictured Unless specifically...

    $40.00
    Add to Cart
    SKU: 254160539844
    Removed From: Robinson R44
  • C169-30 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 6 BAS Part Sales | Airplane Parts C169-30 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 6 C169-30 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 6 C169-30 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 6 C169-30 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 6

    Robinson Helicopter & Airplane Parts

    C169-30 Lycoming IO-540-AE1A5 Robinson R44 Riser Cylinder 6

    Some details about this part: Part Number: C169-30 Removed From: IO-540-AE1A5 Fits: Cylinder 6 Fits various Robinson R44 models Due to multiple items available you may not receive the item...

    $40.00
    Add to Cart
    SKU: 233164174785
    Removed From: Robinson R44
  • C169-7 Lycoming O-540 / IO-540 Robinson R44 Riser Cylinder 1 BAS Part Sales | Airplane Parts C169-7 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 1 C169-7 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 1 C169-7 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 1 C169-7 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 1

    Robinson Helicopter & Airplane Parts

    C169-7 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 1

    Some details about this part: Part Number: C169-7 Fits: #1 Cylinder Removed From: Lycoming O-540 or IO-540 Due to multiple items available you may not receive the item pictured Unless specifically...

    $35.00
    Add to Cart
    SKU: 233164174815
    Removed From: Robinson R44
  • C169-8 Lycoming O-540 / IO-540 Robinson R44 Riser Cylinder 2 BAS Part Sales | Airplane Parts C169-8 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 2 C169-8 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 2 C169-8 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 2 C169-8 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 2

    Robinson Helicopter & Airplane Parts

    C169-8 Lycoming O-540 or IO-540 Robinson R44 Riser Cylinder 2

    Some details about this part: Part Number: C169-8 Removed From: Lycoming O-540 or IO-540 Fits: Cylinder 2 Due to multiple items available you may not receive the item pictured Unless specifically...

    $35.00
    Add to Cart
    SKU: 254160539848
    Removed From: Robinson R44
  • Robinson C170-2 Robinson R44II Sheave Clutch Upper Robinson C170-2 Robinson R44II Sheave Clutch Upper C170-2 Robinson R44II Sheave Clutch Upper BAS Part Sales | Airplane Parts Robinson C170-2 Robinson R44II Sheave Clutch Upper Robinson C170-2 Robinson R44II Sheave Clutch Upper

    Robinson Helicopter & Airplane Parts

    C170-2 Robinson R44II Sheave Clutch Upper

    Some details about this part: Part Number: C170-2 Due to multiple items available you may not receive the item pictured    Guaranteed to work and pass your inspection or your money back...

    $1,050.00
    Add to Cart
    SKU: N512RTKW72
    Removed From: Robinson R44II
  • N8348XKW46-MI N8348XKW46-MI N8348XKW46-MI N8348XKW46-MI N8348XKW46-MI

    Robinson Helicopter & Airplane Parts

    C174-1 Robinson R44 Aft Engine Support Rod

    Some details about this part: Part Number: C174-1 N8348XKW46: Does NOT come link N715SG-104KW: Comes with link Link Part Number: C592-2 Due to multiple items available you may not receive...

    $100.00
    Choose Options
    SKU: N8348XKW46
    Removed From: Robinson R44
  • N7530U-59KW-N7 N7530U-59KW-N7 N7530U-59KW-N7 N7530U-59KW-N7 N7530U-59KW-N7

    Robinson Helicopter & Airplane Parts

    C174-1, C592-2 Robinson R44II Aft Engine Support Rod

    Some details about this part: Rod Part Number: C174-1 Link Part Number: C592-2 Unless specifically noted, most of our used airplane parts are sold in the condition they were removed, which means...

    $125.00
    Choose Options
    SKU: N7530U-59KW
    Removed From: Robinson R44II
  • C177-3 Robinson R44 Forward Cyclic Pivot Assembly C177-3 Robinson R44 Forward Cyclic Pivot Assembly C177-3 Robinson R44 Forward Cyclic Pivot Assembly C177-3 Robinson R44 Forward Cyclic Pivot Assembly C177-3 Robinson R44 Forward Cyclic Pivot Assembly

    Robinson Helicopter & Airplane Parts

    C177-3 Robinson R44 Forward Cyclic Pivot Assembly

    Details about this unit: Part Number: A177-3 Casting Number: D177-1 There are small knicks and scratches but is otherwise in good condition, see pictures for more detail Need a little more hangar...

    $200.00
    Add to Cart
    SKU: N441HQ-100AR
    Removed From: Robinson R44
  • Robinson C177-3 Robinson R44II Forward Cyclic Pivot Assembly C177-3 Robinson R44II Forward Cyclic Pivot Assembly BAS Part Sales | Airplane Parts Robinson C177-3 Robinson R44II Forward Cyclic Pivot Assembly Robinson C177-3 Robinson R44II Forward Cyclic Pivot Assembly Robinson C177-3 Robinson R44II Forward Cyclic Pivot Assembly

    Robinson Helicopter & Airplane Parts

    C177-3 Robinson R44II Forward Cyclic Pivot Assembly

    Some details about this part: Part Number: C177-3 Casting Number: D177-1 Due to multiple items available you may not receive the item pictured Unless specifically noted, most of our used airplane...

    $200.00
    Add to Cart
    SKU: N443SHKW12
    Removed From: Robinson R44II
  • C181-3 Robinson R44II Belt Tension Actuator Bearing Housing C181-3 Robinson R44II Belt Tension Actuator Bearing Housing C181-3 Robinson R44II Belt Tension Actuator Bearing Housing C181-3 Robinson R44II Belt Tension Actuator Bearing Housing C181-3 Robinson R44II Belt Tension Actuator Bearing Housing

    Robinson Helicopter & Airplane Parts

    C181-3 Robinson R44II Belt Tension Actuator Bearing Housing

    Details about this unit: Part Number: C181-3 Total Time: 731.00 Time Remaining: 1469.00 Installed: NEW Overhaul Every 2200 Hours Need a little more hangar talk before you buy? We're ready to help...

    $325.00
    Add to Cart
    SKU: N202SMKW34
    Removed From: Robinson R44II
  • Robinson C181-3 Robinson R44II Belt Tension Bearing Housing Robinson C181-3 Robinson R44II Belt Tension Bearing Housing Robinson C181-3 Robinson R44II Belt Tension Bearing Housing Robinson C181-3 Robinson R44II Belt Tension Bearing Housing Robinson C181-3 Robinson R44II Belt Tension Bearing Housing

    Robinson Helicopter & Airplane Parts

    C181-3 Robinson R44II Belt Tension Bearing Housing

    Details about this unit: Part Number: C181-3 Revision: H Total Time: 2697.50 Remaining Time: 497.50 Installed: 9-18-2006 TBO every 2200 hours Need a little more hangar talk before you buy? We're...

    $325.00
    Add to Cart
    SKU: N512RTKW58
    Removed From: Robinson R44II
  • Robinson CI184-2 Robinson R44II Bearing Clutch Assembly Robinson CI184-2 Robinson R44II Bearing Clutch Assembly Robinson CI184-2 Robinson R44II Bearing Clutch Assembly Robinson CI184-2 Robinson R44II Bearing Clutch Assembly C184-2 Robinson R44II Bearing Clutch Assembly BAS Part Sales | Airplane Parts

    Robinson Helicopter & Airplane Parts

    C184-2 Robinson R44II Bearing Clutch Assembly

    Details about this unit: Part Number: C184-2 Need a little more hangar talk before you buy? We're ready to help. 90-Day Money-Back Guarantee: Guaranteed to work and pass your inspection, or your...

    $500.00
    Add to Cart
    SKU: N443SHKW11
    Removed From: Robinson R44II
  • Robinson C184-2 Robinson R44II Belt Tension Upper Bearing Assembly Robinson C184-2 Robinson R44II Belt Tension Upper Bearing Assembly Robinson C184-2 Robinson R44II Belt Tension Upper Bearing Assembly C184-2 Robinson R44II Belt Tension Upper Bearing Assembly BAS Part Sales | Airplane Parts Robinson C184-2 Robinson R44II Belt Tension Upper Bearing Assembly

    Robinson Helicopter & Airplane Parts

    C184-2 Robinson R44II Belt Tension Upper Bearing Assembly

    Details about this unit: Part Number: C184-2 Need a little more hangar talk before you buy? We're ready to help. 90-Day Money-Back Guarantee: Guaranteed to work and pass your inspection, or your...

    $500.00
    Add to Cart
    SKU: N512RTKW59
    Removed From: Robinson R44II
  • Robinson Helicopter & Airplane Parts C184-2 Robinson R44II Upper Tail Rotor Bearing Clutch Plate Robinson Helicopter & Airplane Parts C184-2 Robinson R44II Upper Tail Rotor Bearing Clutch Plate Robinson Helicopter & Airplane Parts C184-2 Robinson R44II Upper Tail Rotor Bearing Clutch Plate Robinson Helicopter & Airplane Parts C184-2 Robinson R44II Upper Tail Rotor Bearing Clutch Plate Robinson Helicopter & Airplane Parts C184-2 Robinson R44II Upper Tail Rotor Bearing Clutch Plate

    Robinson Helicopter & Airplane Parts

    C184-2 Robinson R44II Upper Tail Rotor Bearing Clutch Plate

    Details about this unit: Reference Part Number: C184-2 This is ONLY the Retainer plate Need a little more hangar talk before you buy? We're ready to help. 90-Day Money-Back Guarantee: Guaranteed to...

    $75.00
    Add to Cart
    SKU: N7530U-70KW
    Removed From: Robinson R44II
  • N441HQ-67AR-CO N441HQ-67AR-CO N441HQ-67AR-CO N441HQ-67AR-CO N441HQ-67AR-CO

    Robinson Helicopter & Airplane Parts

    C186-1 Robinson R44 Fan Wheel Hub

    Details about this unit: Part Number: C186-1 Select Your Preferred Unit: Choose your preferred unit from the dropdown. Each option is a specific item with a unique SKU, and the photos show the...

    $275.00
    Choose Options
    SKU: N441HQ-67AR
    Removed From: Robinson R44
  • N441HQ-72AR-SO N441HQ-72AR-SO N441HQ-72AR-SO N441HQ-72AR-SO N441HQ-72AR-SO

    Robinson Helicopter & Airplane Parts

    C187-3 Robinson R44 Fan Wheel Cone

    Details about this unit: Part Number: C187-3 Select Your Preferred Unit: Choose your preferred unit from the dropdown. Each option is a specific item with a unique SKU, and the photos show the...

    $250.00
    Choose Options
    SKU: N441HQ-72AR
    Removed From: Robinson R44
  • Robinson Helicopter & Airplane Parts C187-3 Robinson R44II Fanwheel Cone Assembly Robinson Helicopter & Airplane Parts C187-3 Robinson R44II Fanwheel Cone Assembly Robinson Helicopter & Airplane Parts C187-3 Robinson R44II Fanwheel Cone Assembly Robinson Helicopter & Airplane Parts C187-3 Robinson R44II Fanwheel Cone Assembly Robinson Helicopter & Airplane Parts C187-3 Robinson R44II Fanwheel Cone Assembly

    Robinson Helicopter & Airplane Parts

    C187-3 Robinson R44II Fanwheel Cone Assembly

    Some details about this part: Part Number: C187-3 Unless specifically noted, most of our used airplane parts are sold in the condition they were removed, which means you should expect the usual...

    $325.00
    Add to Cart
    SKU: N44KY-63KW
    Removed From: Robinson R44