Brownline Seat/Cargo Tracks and Ancra Fittings


P/N STE105 

P/N 6656 


  • Width = 1.35", Height = 0.37"
  • Medium Duty
  • Perfect for homebuilt or experimental projects
  • Slotted extrusion with 0.785" diameter openings every one inch
  • Compatible with common MS33601 0.73" diameter style fittings
  • Precision machined and quality controlled
  • Aerospace grade 7075-T6511 aluminum with full traceability


Standard Lengths:
P/N 6656-L (L = the minimum length in inches)

  • Stock lengths anodized for corrosion protection.
  • Available in 612182436487296120144160 and 179 inch lengths.


Note: Lengths are measured from "hole to hole". There is an additional 1/2" on both ends to total 1" longer than lengths stated above. 


P/N STE105

  • Available by the inch
  • Slotted extrusion without machined openings
  • Non-anodized


For more information go to Brownline Seat/Cargo Tracks.

Anchors and Tie Downs also available.




Ancra Cargo Hold-Down and Seat Attachment Fittings




Solves cargo hold-down problems! 

Designed to be used with McFarlane’s line of Brownline style seat tracks/cargo tracks


Hundreds of fittings to choose from with stock on commonly requested parts including single stud fittings, double stud fittings, threaded stud, and seat belt shackles.



Quantity discounts available.


For ordering information, go to Interior Cargo Fittings.




Seat Rail Extrusion

Ideal for the homebuilt aircraft!


For custom projects McFarlane offers eight design types. Blank extrusion can be cut to most any length and is sold by the inch. We can also custom machine to your specifications; call for details.


  • Available by the inch
  • Slotted extrusion without machined openings
  • Non-anodized


For product and ordering information go to Seat Rail Extrusion.


AnchorsTie Downs, and Hardware also available.



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