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Other aircraft modifications

STC SA5516NM

FAA DRS lists SA5516NM as Current · Reissued, held by Northrop Grumman Systems Corporation, for Boeing 747-200B Series, Boeing 747-200C Series, and Boeing 747-200F Series. Recorded change: Intallation of three (3) Litton LTN-92 inertial naviation systems (INS). Snapshot dated June 30, 2026.

FAA-listed holder
Northrop Grumman Systems Corporation
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Intallation of three (3) Litton LTN-92 inertial naviation systems (INS).

SA5516NM 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 747-200B Series, Boeing 747-200C Series, and Boeing 747-200F Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 747-200B SeriesA20WEBoeing 747-200C SeriesA20WEBoeing 747-200F SeriesA20WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 747-200B Series and Boeing 747-200C Series, and 1 more aircraft configuration 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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