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Atlas / TCDS / 1H11

FAA · Type Certificate Data Sheet

TCDS 1H11

Sikorsky Aircraft Corporation

Current Aircraft Rotorcraft Rev 18 12/29/1988 drs.faa.gov ↗

Certification basis — 14 CFR

Specific sections

  • Sec. 29.33
  • Sec. 21.183
  • Sec. 25.801
  • Sec. 25.807
  • Sec. 29.1505

Former holders

  • Sikorsky Aircraft Corporation\California Helicopter Airways Inc.
  • Sikorsky Aircraft Corporation

Fleet view · 27 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

14

n=27

Horsepower

1,050

900–1,525

Cruise (kts)

108

73–108

Year of mfr

1958

1956–1963

Engines on the type, by tail count

  • WRIGHT R-1820 SER 6
  • P&W CANADA PT6T-6 5
  • P&W CANADA PT6T-3 2
  • P & W PT6T-6 2
  • P&W CANADA PT6A-60A 2
  • WRIGHT 989C9HE2 2
  • AMA/EXPR UNKNOWN ENG 1
  • P&W PT6 SERIES 1

NTSB events

12

across all model variants

Applicable ADs

0

FAA airworthiness directives

Per-tail rate

0.44 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.