# STC ST11366DS

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Mammoth Freighters LLC
- Description: Installation of Landing Gear Strut Data Collection System
- Status date: November 14, 2023
- Data sheets: T00001SE, T00001SE, T00001SE
- Certificate PDF: https://openairdocs.org/files/sha256/93/7b/937b2a8606b63f31d50d97c5b2da35fadfb6822fcf93ff9f477a2c9495010a4d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144680612120251204215611.0001
- Page: https://openairdocs.org/stc/ST11366DS

## ADs that name it

None.

## Approved models (3)

- The Boeing Company 777-200 Series (TCDS T00001SE)
- The Boeing Company 777-300 Series (TCDS T00001SE)
- The Boeing Company 777-300ER Series (TCDS T00001SE)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

'United States of Jl.merica <Department of <Transportation P edera{_JI. viation}ldministration Supplemental. Type Certificate Number ST11366DS 'Tliis certificate issued to: Mammoth Freighters LLC.

2060 Eagle Parkway Fort Worth, Texas 76177 Certifies that the cnange in the type aesign f or the f o{fowing product witn the limitations and conditions therefore as specified hereon meets the airworthiness requirements of Part 25 of the Federal Aviation Regulations:

Origina{Proauct T00001 SE 'M.afi.s: The Boeing Company 'Type Certificate Number: 'M.oae{: 777-200, -300, -300ER Series <Description of 'Iype !Design Cnange:

Installation of a Landing Gear Strut Data Collection System in accordance with GDC Technics Master Data List AT1020-MDL, Revision (P), dated January 14, 2021.

1. The installer must determine whether this design change is compatible with previously approved modifications.

2. In addition to the basic aircraft maintenance manuals, the aircraft must be maintained in accordance with Instructions for Continued Airworthiness Document AT1020-TP-05, revision (003) dated 12/15/2020 or later FAA approved revision.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

This certificate and the supporting data wnicn is the basis f or approoalshalt remain in effect unti{ surrendered, suspended, revofi.sc[, or a termination date is otherunse established' 6y the }laministrator of the Federal }l'Viation }la ministration.

November 14, 2023 <Date of Jlppfication: July 27, 2020 <Date 1?gissuea:

Date of Issuance: January 18, 2021 Date Amended:

Robert A. iller, ODA Administrator Mammoth Freighters LLC.

rritfe: ODA-834545-SW

'United States of }lmerica <Department of <Transportation Pedera{ jl viation}ldministration Supp Iemental Type Certificate Number: ST11366DS I:NS'FI{V(;I1O:NS: %e transfer endorsement 6efow may 6e used to notify the appropriate P}l}l }lircraft Certification Offi ce of tlie transfer of this Supplemental Type Certificate. %e P}l}l willreissue the certificate in the name of the transferee and f orwarcf it to him.

rtransfer P.nd'orsement Transfer the ownership of Supplemental Iype Certificate Number: _ 'To {Name and address of transferee):

Prom ('Name and address of grantor):

Extent of }lutfioriry (if licensinq agreement):

'United' States of Jlmerica <Department of Transportation Federai Jl viation}lcf ministration Supplemental 'Iype Certificate (Continuation Sfi,eet) 'Number: ST11366DS Certification Basis (continued) Based on 14 CFR §§ 21.115, 21.101 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for The Boeing Company 777-200, -300, -300ER Series aircraft Installation of a Landing Gear Strut Data Collection System is as follows:

a. The type certification basis for The Boeing Company 777-200, -300, -300ER Series aircraft is shown on TCDS T00001 SE for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, July 27, 2020, is based upon TCDS T00001 SE. Based on 14 CFR § 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for this modification was determined to be:

Regulations at the amendment level in TCDS T00001SE

25.1 (a, b)(25-0), 25.301 (a-c)(25-23), 25.303(25-23), 25.305(a-c)(25-86), 25.307(a)(25-

72), 25.365(a-e)(25-87), 25.561 (a-c)(25-91 ), 25.571 (a, b)(25-96), 25.601 (25-0), 25.603 (a-c)(25-46), 25.605(a, b)(25-46), 25.609(a)(25-0), 25.611 (25-23), 25.613(a-c)(25-72),

25.619(a-c)(25-23), 25.625(a)(25-72), 25.869(a4)(25-72), 25.1301 (a-d)(25-0), 25.1309 (a, b, d, e(1)(2)(3i), 9)(25-41), 25.1351(a)(25-72), 25.1353(a, b)(25-42),

25.1355(a)(25-38), 25.1357(a, c)(25-0), 25.1519(25-0), 25.1529(25-54 ),

25.1541(a, b)(25-0).

Special Conditions 25-503-SC, 25-504-SC Regulations at a later amendment level

25.899(a, b)(25-123) 14 CFR Part 26 Regulations Based on 14 CFR §§ 21.101 (g), applicable provisions of 14 CFR Part 26 are included in the certification basis. For any future 14 CFR Part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the following regulations 14 CFR §§ 26.11 (c)(Amdt. No, 26-0), 26.47(c)(Amdt. No, 26-1 ).

--------------------------------------------END------------------------------------------

(14 CFR 21.47}.

FAA Form 8110-2 (03/21) Page_l__ of _l_

## Every issue (2)

- November 14, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/93/7b/937b2a8606b63f31d50d97c5b2da35fadfb6822fcf93ff9f477a2c9495010a4d)
- January 18, 2021: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ee/41/ee41493d6ff7d7dd25203071f9fc0afbf99f821036cd1c75b630f298d393858b)

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