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Atlas / TCDS / H6SW

FAA · Type Certificate Data Sheet

TCDS H6SW

McDermott 214 Holdings LLC

Current Aircraft Rotorcraft Rev 9 11/08/2023 drs.faa.gov ↗

Models covered (2)

Certification basis — 14 CFR

Specific sections

  • Sec. 21.50

Former holders

  • Bell Helicopter Textron\Bell Helicopter Textron, Inc.
  • Bell Helicopter Textron

Fleet view · 11 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

16

n=11

Horsepower

2,250

2,250–2,650

Cruise (kts)

112

112–112

Year of mfr

1978

1976–1981

Engines on the type, by tail count

  • LYCOMING T5508D 6
  • HONEYWELL T5508D 3
  • LYCOMING T-55 SER TS 2

NTSB events

1

across all model variants

Applicable ADs

53

FAA airworthiness directives

Per-tail rate

0.09 events / tail · 4.82 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.