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Other aircraft modifications

STC ST01656SE

FAA DRS lists ST01656SE as Current · Issued, held by AeroMech Incorporated, for Learjet 35A (C-21A). Recorded change: Non-group (individual aircraft) approval for Reduced Vertical Separation Minimum (RVSM). Descriptive data pertaining to this design change are considered inadequate for duplication on other products. This approval is limited to Learjet Model 35A, Serial Number 183 only. Snapshot dated June 30, 2026.

FAA-listed holder
AeroMech Incorporated
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Non-group (individual aircraft) approval for Reduced Vertical Separation Minimum (RVSM). Descriptive data pertaining to this design change are considered inadequate for duplication on other products. This approval is limited to Learjet Model 35A, Serial Number 183 only.

ST01656SE 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: Learjet 35A (C-21A). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet 35A (C-21A)A10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet 35A (C-21A) model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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