# STC SA2960NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: B & D Safety Lok Company, United States
- Description: Install 'stay put' (seat position locking device).
- Applied: November 7, 1985
- Status date: March 14, 1986
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS 3A17](https://openairdocs.org/tcds/3A17), [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS 3A21](https://openairdocs.org/tcds/3A21), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 3A25](https://openairdocs.org/tcds/3A25), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS A13CE](https://openairdocs.org/tcds/A13CE), [TCDS A16CE](https://openairdocs.org/tcds/A16CE), [TCDS A4CE](https://openairdocs.org/tcds/A4CE)
- Certificate PDF: https://openairdocs.org/files/sha256/9a/04/9a0491ff8421909fb0737ba63944e677d3b0af19878caf9ef196b172b227c301
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EF93550805680F9285256CC20008CB36.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2960NM

## ADs that name it (0)

None.

## Approved models (136, first 50)

- Cessna Aircraft Company 150 ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 177 ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- Cessna Aircraft Company 177A ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- Cessna Aircraft Company 177B ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))
- Cessna Aircraft Company 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13))
- Cessna Aircraft Company 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

All 136: https://openairdocs.org/stc/SA2960NM/models.md

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Heital Scatos of Sacrica Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2960NM This certificate issued to: B & D Safety Lok Company 14409 141st Ave. S.E.

Renton, WA 98056 Part * of the Regulations:

Original Product - Type bertificate: Vumber: * *See attached Master Eligibility List Make: (MEL) Number SA2960NM for list of Model: airworthiness regulations. approved airplane models and applicable Description of Type Design Change:

Install 'Stay Put", a seat position locking device, in accordance with B & D Safety Lok Company Drawings and Installation Instructions as listed on MEL SA2960NM.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and MEL shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: November 7, 1985 Date Reissued:

Date of Issuance: . February 7, 1986 Date Amended: March 14, 1986 FEDERAL AVIATION By Direction of the Administrator William B Gestiwaris (Signature ) CMINISTRAIOA Manager, Seattle Aircraft Certification Office (Title) 47

Issue Date: February 7, 1986 MEL INSTALLATION AMENDMENT INSTRUCTIONS DATE NUMBER DATE 3-14-86 3-12-86 BD3146 3-12-86 BD3146 3-14-86 3-14-86 BD3146 3-12-86 5-21-R6 BD3146 3-12-86 BD3146 3-12-86 5-21-86 5-21-86 BD3146 3-12--86 LITY LIST (MEL) SA2960NM CUT" GHAT POSITION LOCKING DEVICE FAA SEALED DRAWING/ DRAWING LIST REVISION NO. AND DATE 3-5-86 3-5-86 3-5-86 LOK COMPANY NUMBER B3146 B3146 B3146 B3146 B3146 B3146 FAA APPROVED MASTE AFKT B & D INSTALLATION ORIGINAL CERTIFIOATION RASIS TYPE FOR CERTIFICATE NUMBER ALTERATION 3A13 CAR 3 dated 11-1-19 amended by 3-1 thru 1-12 and FAR 23 paragraphs or listed in TOnS 3413. CAR 3 dated 11-1-19 asi 3A12 amended by 3-1 1-12 and FAR 23 parapraphs te: Tided in TEDS 5A12. CAR 3 dated 5-15-56 & 3A17 FAR 23 paragraphs as listed in TCDS 3417. 546 Part 3 of Civil Air Regulations dated 11-1-49 and TCDS 546. Part 3 of Civil Mir 3A24 Repulations dated 5-15-56 and TCDS 1424. A13CE FAB 23 dated 2-1-05 as amended by 26-1, Papr 1 of 3 AIRCRAFT MODEL Series 172 Series R172 Series & P172D 180 thru 180K 185 thru A185F 177, 1771, 177B 182 AIRCRAFT MAK E Cessna Cessna Cessna Cessna Cessna Cessna ITEM 2. 3. 4 . 5. 6.

1986 MEL AMENDMENT DATE 5-21-86 5-21-11. 5-21-86 5-21-86 5-21-96 10-7-86 Feburary 7, Issue Date: INSTALLATION INSTRUCTIONS NUMBER/DATE BD3146 3-12-86 BD3146 3-12-86 BD3146 3-12-86 BD3146 3-12-86 BD3146 3-12-86 BD3146 3-12-86 (MEL) SA2960NM LOCKING DEVICE SEALED FAA DRAWING/ LIST DRAWING REVISION NO. AND DATE 3-5-86 3-5-86 3-5-86 3-5-86 3-5-86 3-5-86 FAA APPROVED MASTER RECTILITY LIST COMPAN Y LOK EAT POSITION "STAY PUT! CERTIFICATION BASIS FOR NUMBER ALTERATTON B3146 11-56 X TODS 149. ฿3146 ner. A-799. CAR 03 dated 5-11-56 B3146 AACE. B3146 FAR 23 dated 2-1-65 & TODS AIGCE. B3146 CAR 03 dated 5-1-56 & TCDS 3AP1. B3146 CAR 3 daled 11-1-19 & TCDS 3A10. Pape ' of 3 Part 3 CAR 15 & Aoft. & TCIS INSTALLATION ORIGINAL TYPE CERTIFICATE NUMBER 3A19 A-799 A4 CE A16CE 3A21 3A10 AIRCRAFT MODEL 150 Series 170, 1701 & 170B 206 Series 207, 2071, T207 & T207A 210 Series 1310P, 310Q, 310R, T310P T310Q & T310R AIRCRAFT MAK E Cessne Cessna Cessna Cessna Cessne Cessna ITEM 7. 8. 9. 10. 11. 12.

February 7, 1986 Issue Date: MEI. INSTALLATION AMEN DMENT INSTRUCTIONS NUMBER/DATE DATE BD3146 10-7-86 3-12-80 Seattle Aircraft Certification Office ILITY LIST (MEL) SA2960NM LOK COMPANY INSTALLATION OF "STAY PUT" SEAT POSITION LOCKING DEVICE FAA SEALED DRAWING/ DRAWING LIST REVISION NO. AND DATE NUMBER 3-5-86 B3146 FAA Approved: en Manager, FAA APPROVED MASTER B & D SAFEIT CERTIFICATION ALTERATTON & TCDS 3425. lape i of 3 ORIGINAL TYPE CERTIFICATE NUMBER 3A25 AIRCRAFT MODEL 1340, 3401 AIRCRAFT MAKE Cessna ITEM 13.

## Every issue (1)

- March 14, 1986: Amended, Current. [certificate](https://openairdocs.org/files/sha256/9a/04/9a0491ff8421909fb0737ba63944e677d3b0af19878caf9ef196b172b227c301)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.