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Atlas / TCDS / A21SO

FAA · Type Certificate Data Sheet

TCDS A21SO

Embraer - Empresa Brasileira de Aeronautica S.A.

Historical Aircraft Small/Large Airplane Rev 6 10/16/1996 drs.faa.gov ↗

Models covered (2)

Certification basis — 14 CFR

Specific sections

  • Sec. 23.49
  • Sec. 23.65
  • Sec. 23.67
  • Sec. 23.785
  • Sec. 23.977
  • Sec. 25.787
  • Sec. 25.853
  • Sec. 25.857
  • Sec. 23.1351
  • Sec. 23.1419
  • Sec. 23.1441
  • Sec. 23.1442
  • Sec. 23.1443
  • Sec. 23.1444
  • Sec. 23.1445
  • Sec. 23.1446
  • Sec. 23.1447
  • Sec. 23.1448
  • Sec. 23.1449
  • Sec. 23.1529
  • Sec. 23.1545
  • Sec. 23.1582
  • Sec. 23.1583
  • Sec. 23.1584
  • Sec. 23.1585
  • Sec. 23.1586
  • Sec. 23.1587
  • Sec. 23.1588
  • Sec. 25.1439

Former holders

  • Embraer - Empresa Brasileira de Aeronautica S.A.\Embraer S.A.
  • Embraer - Empresa Brasileira de Aeronautica S.A.

Fleet view · 13 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

20

n=13

Horsepower

750

750–1,050

Year of mfr

1981

1964–1983

Engines on the type, by tail count

  • P&W CANADA PT6A-60A 4
  • P&W PT6A SER 3
  • U/A CANADA PT6A SERIES 1
  • P&W CANADA PT6A-34 1
  • U/A CANADA PT6A-34 1
  • AMA/EXPR UNKNOWN ENG 1

NTSB events

3

across all model variants

Applicable ADs

48

FAA airworthiness directives

Per-tail rate

0.23 events / tail · 3.69 ADs / tail

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.