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Atlas / TCDS / 4A21

FAA · Type Certificate Data Sheet

TCDS 4A21

The Boeing Company

Current Aircraft Large Airplane Rev 8 05/01/1973 drs.faa.gov ↗

Special Conditions + ELOS findings

Certification-time deviations: SCs add requirements where the design is novel; ELOS allows alternative compliance. Most modern types have both.

  • ELOS B3FS336ST-01-C-1 Equivalent Level of Safety Finding for Furniture Encroachment of Upper Deck Left Door for the Boeing Model 747-400 Series, Project No. B3FS336ST
  • ELOS PS-05-0123-P-1 Ground Fault Interrupter Relays
  • ELOS PS-05-0123-P-1, Revision 1 Finding for Ground Fault Interrupter Relays on Boeing Models 707, 727, 737CL, 737NG, 747CL, 747-400, 747-8/-8F, 757, 767, and 777

Fleet view · 1 registered tails

Engineering specs aggregated from the FAA Aircraft Registry — what every actually-flying tail under this TCDS reports. Median + 10th–90th-percentile range across the active fleet.

Seats

192

n=1

Cruise (kts)

466

466–466

Year of mfr

1964

1964–1964

Engines on the type, by tail count

  • P & W JT3D-3&3B 1

The TCDS PDF on drs.faa.gov is the authoritative document for design-as-certified weight limits, performance, equipment, AD compliance times, and operating limitations. Open on drs.faa.gov ↗ DRS frequently breaks — when it does, the fleet view above and the cross-links below are usually what you actually need.