The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Symetric Industries, DBA Extant Aerospace

Named as the FAA publishes it on its approvals.

Holds 4 approved modifications, most of them for the Learjet 35. FAA spelling: Symetric Industries, DBA Extant Aerospace.

Approved modifications 4 · newest first

Learjet 35 3Learjet 25 3Learjet 24 3Learjet 55 2Learjet 31 2
2025-04-09ST02417SE · Installation of the replacement stall warning vertical accelerometer, Butler National Part Number 02904001-101 · 24, 24A, 24B-A
2025-04-09ST02416SE · Installation of the replacement rate gyro, Butler National Part Number 501-1169-01 MOD A or 501-1169-02 MOD A · 24, 24A, 24B-A
2025-04-09ST02515SE · Installation of the replacement vertical accelerometer, Butler National Part Number 501-1287-02 MOD A · 31, 35, 35A (C-21A)
2025-04-09ST02097SE · Installation of replacement circuit boards for the FC-110 autopilot · 24, 24A, 24B

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.