STC SA531NE
FAA DRS lists SA531NE 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 total fuel/Vref dual indicator, P/N 393080-203 thru -223. Must be installed concurrently with STC SA520NE. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of a Simmonds Precision total fuel/Vref dual indicator, P/N 393080-203 thru -223. Must be installed concurrently with STC SA520NE.
SA531NE 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
: Replace the Balony Kubicek Basket/Burner system with the UltraMagic S.A. Basket Model C-8, S/N 17; UltraMagic S.A. Burner Model MK-21, S/Ns 56, 57, and 58. Replace the Balony Kubicek fuel tanks with the UltraMagic S.A. type M-40D fuel tanks, S/Ns 20010176, 20010175, and 20010174, and Cameron Model V30, S/N CB426D. The UltraMagic S.A. Basket/Burner is installed via the standard Balony Kubicek carabiner (snaplink) attachments.
FAA holder: John T. Moran dba Falcon's Nest Repair Station
Replace existing door locks and fuel caps with new door locks and locking fuel caps.
FAA holder: Bell Helicopter Textron Inc.