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Atlas / TCDS / H1WE

FAA · Type Certificate Data Sheet

TCDS H1WE

Siam Hiller Holdings Inc.

Historical Aircraft Rotorcraft Rev 6 10/28/2014 drs.faa.gov ↗

Models covered (2)

Certification basis — 14 CFR

Specific sections

  • Sec. 133.43

Former holders

  • Hiller Aviation

Fleet view · 3 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

4

n=3

Horsepower

310

310–315

Cruise (kts)

80

80–80

Year of mfr

1966

1966–1966

Engines on the type, by tail count

  • LYCOMING VO-540 SERIES 2
  • LYCOMING VO-540-C2A 1

NTSB events

4

across all model variants

Applicable ADs

3

FAA airworthiness directives

Per-tail rate

1.33 events / tail · 1.00 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.