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Atlas / TCDS / A33SO

FAA · Type Certificate Data Sheet

TCDS A33SO

Amphibian Aerospace Industries Inc.

Historical Aircraft Large Airplane Rev 11 11/20/2024 drs.faa.gov ↗

Models covered (8)

Certification basis — 14 CFR

Specific sections

  • Sec. 21.25
  • Sec. 91.313

Former holders

  • Grumman\Air Crane\Inc.
  • Grumman\Air Crane, Inc.
  • Grumman

Fleet view · 24 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

8

n=24

Horsepower

1,475

1,425–1,475

Cruise (kts)

187

168–187

Year of mfr

1953

1951–1959

Engines on the type, by tail count

  • WRIGHT R-1820 SER 14
  • AMA/EXPR UNKNOWN ENG 3
  • WRIGHT R-1820-76B 1
  • WRIGHT R-1820-80 1
  • WRIGHT R-1820-76D 1
  • WRIGHT C9HE SERIES 1
  • NONE NONE 1
  • WRIGHT R-1820-76A 1

NTSB events

1

across all model variants

Applicable ADs

0

FAA airworthiness directives

Per-tail rate

0.04 events / tail · 0.00 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.