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Cargo and special mission

STC SA3074NM

FAA DRS lists SA3074NM as Current · Reissued, held by Preferred Improvements LLC, for Boeing DC3A-S1C3G and Boeing DC3C-S1C3G. Recorded change: This modification requires that the following two (2) placards be placed on the inside of the forward (L.H.) cargo door in full view of the cargo loading crew: MAXIMUM PAYLOAD CAPACITY -7500 lbs. or less, CARGO LOADING METHOD-Refer to FAA App Oper Handbk. Snapshot dated June 30, 2026.

FAA-listed holder
Preferred Improvements LLC
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

This modification requires that the following two (2) placards be placed on the inside of the forward (L.H.) cargo door in full view of the cargo loading crew: MAXIMUM PAYLOAD CAPACITY -7500 lbs. or less, CARGO LOADING METHOD-Refer to FAA App Oper Handbk.

SA3074NM 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 DC3A-S1C3G and Boeing DC3C-S1C3G. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC3A-S1C3GA-669Boeing DC3C-S1C3GA-669

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC3A-S1C3G and Boeing DC3C-S1C3G model, serial range, and configuration?
  2. 02Which mission equipment, structural provisions, and limitations are approved?
  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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