STC SA520NE
FAA DRS lists SA520NE as Current · Amended, held by Simmonds Precision Products Inc, for Boeing 737-100 Series and Boeing 737-200 Series. Recorded change: Installation of a Simmonds Precision Computerized Fuel Gauging System, with Volumetric Top-off Device in accordance with Simmonds Precision Installation Drawing List Report Number 2615, Revision A, dated April 8, 1987, or later FAA approved revision. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a Simmonds Precision Computerized Fuel Gauging System, with Volumetric Top-off Device in accordance with Simmonds Precision Installation Drawing List Report Number 2615, Revision A, dated April 8, 1987, or later FAA approved revision.
SA520NE identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Boeing 737-100 Series and Boeing 737-200 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Boeing 737-100 Series and Boeing 737-200 Series model, serial range, and configuration?
- 02Which tanks, plumbing, usable-fuel assumptions, and inspections apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related fuel systems STCs
Modification to allow operation at the following weights: takeoff - 142,100 pounds; landing - 114,500 pounds; zero fuel - 109,500 pounds.
FAA holder: Flying Tiger Line Inc
ONE ONLY STC: S/N 5394: Replace Lindstrand Balloons Ltd Basket/Burner system with Head Balloons Inc Basket, S/N 288-B, and Head Balloons Inc DBII Burner, S/N II-286. Replace Lindstrand Balloons Ltd fuel tanks with Worthington Model 43-04 Fuel Tanks, S/Ns 00122100J, 00122172J, and 00122155J. The Head Balloons Inc Basket/Burner is installed via standard Lindstrand Balloons carabiner (snaplink) attachments.
FAA holder: Michael E. Boylan
ONE ONLY STC; S/N 5402: Replace Lindstrand Balloons Ltd Basket/Burner system with Aerostar International Basket, P/N 53030, S/N RWSW-212, and Aerostar International Burner, P/N 52350, S/N HP3D-3748. Replace Lindstrand Balloons Ltd fuel tanks with Aerostar International Model V-15 Fuel Tanks, P/N 51977, S/Ns 4082, 4091, and 4094. Aerostar International Basket/Burner is installed via standard Lindstrand Balloons carabiner (snaplink) attachments.
FAA holder: David M. Fuller II
ONE ONLY STC: s/n 5391: Replace Lindstrand Balloons Ltd Basket/Burner system with Aerostar International Basket, P/N CW 13860, S/N 3084, and Aerostar International Burner, P/N 52350, S/N HP3D-3156. Replace Lindstrand Balloons Ltd fuel tanks with Aerostar International Model Model V-15 Fuel Tanks, P/N 51977, S/Ns 876, 877, and 95157.
FAA holder: James Litsey