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Atlas / TCDS / 3A21

FAA · Type Certificate Data Sheet

TCDS 3A21

Textron Aviation Inc.

Historical Aircraft Small Airplane Rev 50 11/18/2021 drs.faa.gov ↗

Models covered (28)

Special Airworthiness Information Bulletins (1)

Advisory bulletins on these airframes. Not mandatory like ADs — but operators tracking AD compliance often miss the SAIB on the same component.

  • AIR-20-10 AD 2020-03-16 Alternative Methods of Compliance and FAQ

Special Conditions + ELOS findings

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

Certification basis — 14 CFR

Specific sections

  • Sec. 23.1323
  • Sec. 23.1419
  • Sec. 23.1545
  • Sec. 23.1559

Former holders

  • Cessna Aircraft Company

Fleet view · 3,205 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

6

4–6 (n=3,205)

Horsepower

300

260–300

Cruise (kts)

141

141–141

Year of mfr

1976

1958–1999

Engines on the type, by tail count

  • CONT MOTOR TSIO-520 SER 1,391
  • CONT MOTOR IO 520 SERIES 866
  • CONT MOTOR I0-470 SERIES 551
  • CONT MOTOR GTSIO-520-C 63
  • CONT MOTOR TSIO-520-R 22
  • CONT MOTOR IO-470 SER 12
  • CONT MOTOR O-470 SERIES 12
  • AMA/EXPR UNKNOWN ENG 12

NTSB events

941

across all model variants

Applicable ADs

930

FAA airworthiness directives

Per-tail rate

0.29 events / tail · 0.29 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.