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Cabin and interiors

STC SA8099NM-D

FAA DRS lists SA8099NM-D as Current · Reissued, held by Learjet Inc., for Learjet 35A (C-21A). Recorded change: Installation of an interior refurbishment. Snapshot dated June 30, 2026.

FAA-listed holder
Learjet Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an interior refurbishment.

SA8099NM-D 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 layout, materials, flammability evidence, and weight changes 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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ST00003LB-DCabin and interiors

Increase Business Class seat pitch in C-Zone, D-Zone, and U/D, changing seat count from 35F-134C-124Y to 35F-105C-124Y. Remove (29) Business Class seats. Rework (105) Business Class seats to provide 12" recline and install seats at increased 48" -50" pitch in C-Zone, D-Zone, and U/D. Remove (1) existing centerline video/coat closet and install (1) new centerline video/coat closet in B-Zone. Install (2) new centerline coat closets in D-Zone. This modification was accomplished in accordance with United Air Lines, DAS-1-WE, Approved Master Drawing List No. 00003, dated May 15, 1995, or later FAA approved revisions.

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ST00015LB-DCabin and interiors

Convert 747-100 series aircraft to a two class (first and economy) aircraft with a seat count of 42F-408Y. Modification removes all Connoisseur Class seats in B and C zones and replaces them with re-pitched economy seats. Class dividers in C-zone are removed. One video projector in C-zone is removed, and the remaining projector in C-zone is relocated forward. First class seats are replaced and re-pitched. New first class seats have manual footrests vs. electric footrests on the old seats. Re-wire flight attendant call system and install a fourth PA amp. This modification was accomplished in accordance with United Air Lines DAS-1-WE Approved Master Drawing List No. 00015 dated March 5, 1996, or later FAA approved revisions.

FAA holder: United Airlines Inc

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ST00016LB-DCabin and interiors

A new upper deck aft bulkhead partition replaces the existing aft bulkhead partition. This new partition creates additional floor space that allows the upper deck seats to be relocated, thus providing increased bulkhead space for the first row of seats. The new partition consists of five (5) separate panels which are mounted at floor level on existing seat tracks with standard fittings. The upper portion of the partition is attached using existing structure on the frames and tie rods running to the top of the bulkhead. This modification was accomplished in accordance with United Air Lines DAS-1-WE Approved Master Drawing List No. 00016, dated March 5, 1996, or later FAA approved revisions.

FAA holder: United Airlines Inc

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