STC SB04540NY

SB04540NY Ronald DiGiovanni 59 Trenton Ave. Bldg. 3-5 Frenchtown, NJ 08825 Part 31 Title 14 Code of Federal Regualations * See attached FAA Approved Model List (AML) No.SB04540NY for the list of approved aircraft models and applicable airworthiness regulations.

Cameron Ballons US * See attached FAA AML No. SB04540NY

1. Aerostat Envelopes, Inc. Supplemental Maintenance Manual and Instructions for Continued Airworthiness is required with this modification as listed on AML No. SB04540NY.

(Limitations and Conditions continued on page 3 of 3) 04/10/2018 04/01/2026 12/08/2020 Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

1. The installation of Aerostat Envelopes, Inc. model W-300-5 lifting envelope in accordance with Aerostat Envelopes, Inc. Installation Drawing List, Report No. 1233, Rev. 0, dated October 7, 2017 for the models listed on AML No. SB04540NY.

(Description of Type Design Change continued on Page 3 of 3)

SB04540NY 04/01/2026 3

SB04540NY 04/01/2026 Description of Type Design Change continued:

2. Operation must be in accordance with Aerostat Envelopes, Inc. Aircraft Flight Manual Supplement as listed on AML No. SB04540NY.

3. Maintenance must be in accordance with Aerostat Envelopes, Inc. Aircraft Flight Manual Supplement as listed on AML No. SB04540NY

2. Operation must be in accordance with Aerostat Envelopes, Inc. Aircraft Flight Manual Supplement as listed on AML No. SB04540NY.

3. A copy of this Certificate and FAA Approved Model List (AML) No. SB04540NY must be maintained as part of the permanent records for the modified aircraft

4. The maximum continuous envelope temperature is 250°F. Envelope temperature of 250°F-275°F may be maintained for not more than 10 consecutive minutes during any two hour period. Never exceed 275°F.

5. The removal of the original equipment manufacturer Aircraft Data Plate and its reinstallation on the replacement envelope is required and must be done in accordance with Aerostat Envelopes, Inc.

Report No. 1090B, dated August 01, 1995.

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

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

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