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FAA-listed STC holder

Structural Integrity Engineering STCs

The Jun 30, 2026 FAA DRS snapshot lists 22 selected supplemental type certificates with status Current under Structural Integrity Engineering. The records span 16 public aircraft directories and 5 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

22
listed Current at snapshot
16
aircraft directories
5
modification categories
Sep 30, 2022
latest recorded revision

Modification mix

Other aircraft modifications7
Fuel systems5
Aircraft performance4
Cargo and special mission4
Aircraft structures2

Aircraft represented

Boeing 727-200 Series450 STCsBoeing 727-100 Series262 STCsBoeing 747-400F Series101 STCsMcDonnell Douglas DC-8-6165 STCsBoeing 72763 STCsMcDonnell Douglas DC-8-6262 STCsMcDonnell Douglas DC-8-6361 STCsMcDonnell Douglas DC-8-7147 STCsMcDonnell Douglas DC-8-7345 STCsBombardier DHC-6-30031 STCsMcDonnell Douglas DC-8-5525 STCsRaytheon Aircraft 9917 STCsRaytheon Aircraft B9917 STCsRaytheon Aircraft C9917 STCsRaytheon Aircraft 99A16 STCsRaytheon Aircraft A99A14 STCs

Recently revised records

Showing the 22 most recently revised records. Category directories provide the complete paginated discovery path.

SA6073NMAircraft structures

Installation of fatigue sensor and structural life extension of wing spar in accordance with FAA approved SIE Master Drawing List 91000, Revision A, dated September 23, 1993, or later FAA approved revision, and FAA approved Airplane Flight Manual Supplement Report No. SIE-12-601, Revision N/C, dated October 19, 1993 or later FAA approved Airplane Flight Manual Supplement, and Report No. SIE-12-602, Revision N/C, dated December 21, 1993, or later FAA approved Revision. (SIE-12-601 is for model C99 only, and SIE-12-602 is for the remaining models, 99, 99A, A99A, and B99.).

FAA holder: Structural Integrity Engineering

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ST00719ATAircraft performance

Approval of increased operating weights as substantiated by the design data listed in Structural Integrity Engineering (SIE) Master Report List or Master Document List No. SIE-28-703, no revision, dated February 24, 1995, or later FAA approved revision. Aircraft with Increase of Maximum Takeoff or Landing Weight must also be modified in accordance with: Drawing SIE-28-901 (taxi weight up to 183,000 lb, landing weight to 164,000 lb), 28-904 (taxi weight up to 178, 500 lbs, landing weight to 164,000 lbs), 28-905 (taxi weight up to 191,000 lb, landing weight to 164,000 lbs), Rev NC or later FAA approved revisions.

FAA holder: Structural Integrity Engineering

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ST00779LAAircraft performance

Installation of side vertical restraints in accordance with approved Master Drawing List SIE 37-703, Revision A, dated May 25, 1999, or later FAA approved revisions. Structural Integrity Engineering FAA Approved Airplane Flight Manual Supplement, SIE 37-607 dated May 26, 1999, or later FAA approved revisions and Weight and Balance Supplement, SIE 37-608, dated February 9, 1999, or later FAA approved revisions, are required as part of this modification.

FAA holder: Structural Integrity Engineering

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