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Atlas / TCDS / 4H11

FAA · Type Certificate Data Sheet

TCDS 4H11

Rogerson Hiller Corporation

Current Aircraft Rotorcraft Rev 15 10/15/1989 drs.faa.gov ↗

Models covered (2)

Certification basis — 14 CFR

Specific sections

  • Sec. 21.50
  • Sec. 133.43
  • Sec. 21.183

Former holders

  • Hiller Aviation\Fairchild Hiller\Rogerson Hiller\Siam Hiller\Hiller Aircraft Corporation
  • Hiller Aviation\Fairchild Hiller\Rogerson Hiller\Siam Hiller
  • Hiller Aviation

Fleet view · 106 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=106

Horsepower

310

300–315

Cruise (kts)

72

72–72

Year of mfr

1964

1958–1996

Engines on the type, by tail count

  • LYCOMING VO-540 SERIES 48
  • ALLISON 250 SERIES 13
  • LYCOMING VO-540-C2A 5
  • ALLISON 250-C20 SER 4
  • AMA/EXPR UNKNOWN ENG 4
  • LYCOMING VO-540 SER 2
  • LYCOMING 0-540 SERIES 2
  • ROLLS-ROYC 250-C20B 2

NTSB events

81

across all model variants

Applicable ADs

15

FAA airworthiness directives

Per-tail rate

0.76 events / tail · 0.14 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.