DOUGLAS DC-7B

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered DOUGLAS DC-7B aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving DOUGLAS DC-7B aircraft

No NTSB-recorded events match DOUGLAS DC-7B in the indexed corpus.

03 /  Airworthiness Directives

FAA directives applicable to DOUGLAS DC-7B

3 directive(s) on file. Showing the most recent 3.

• Oct 27, 2004

  Airworthiness Directives; Various Transport Category Airplanes on Which Cargo Restraint Strap Assemblies Have Been Installed per Supplemental Type Certificate (STC) ST01004NY

  This amendment adopts a new airworthiness directive (AD), applicable to various transport category airplanes on which cargo restraint strap assemblies have been installed per STC ST01004NY. This amendment requires revising the airplane flight manual to include a procedure for discontinuing the use of certain cargo res…

  Atlas AD → Federal Register ↗

• Aug 4, 2004

  Airworthiness Directives; Various Transport Category Airplanes on Which Cargo Restraint Strap Assemblies Have Been Installed per Supplemental Type Certificate (STC) ST01004NY

  This document revises an earlier proposed airworthiness directive (AD), applicable to various transport category airplanes on which cargo restraint strap assemblies have been installed per STC ST01004NY. That action would have required revising the airplane flight manual to include a procedure for discontinuing the us…

  Atlas AD → Federal Register ↗

• Jul 29, 2003

  Airworthiness Directives; Various Transport Category Airplanes on Which Cargo Restraint Strap Assemblies Have Been Installed Per Supplemental Type Certificate (STC) ST01004NY

  This document proposes the adoption of a new airworthiness directive (AD) that is applicable to various transport category airplanes on which cargo restraint strap assemblies have been installed per STC ST01004NY. This proposal would require revising the Airplane Flight Manual to include a procedure for discontinuing…

  Atlas AD → Federal Register ↗

06 /  Supplemental Type Certificates

Modifications approved for DOUGLAS DC-7B

1 STC on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

• 06/26/2009

  STC SA01734SE (PG 2)

  Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.

  Stewart Thomas D. and Stewart Dan R.

  Atlas STC → DRS ↗

07 /  PMA replacement parts

FAA-approved replacement parts for DOUGLAS DC-7B

2 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

• 42362#https://drs.faa.gov/browse/excelExternalWindow/59B6428851D87A0886257FC5006D9E1F.0001##

  CONE

  Timken Corporation replaces 42362

  PMA holder →

• 42362#https://drs.faa.gov/browse/excelExternalWindow/8D471283E66700D486257D2A0057459E.0001##

  CONE

  Timken Corporation replaces 42362

  PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for DOUGLAS DC-7B

05 /  Aircraft of this type

All 2 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

05 /  Sources & Methodology

Every count traces back to a primary US-government source

• FAA Aircraft Registry →

  Refreshed Apr 27, 2026

  Available

• NTSB CAROL →

  Refreshed Apr 27, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed Apr 27, 2026

  Available

We render counts and lists as the agency publishes them. Read the methodology →