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Atlas / TCDS / 2H1

FAA · Type Certificate Data Sheet

TCDS 2H1

Bell Helicopter Textron

Historical Aircraft Rotorcraft Rev 12 06/15/1980 drs.faa.gov ↗

Models covered (4)

Certification basis — 14 CFR

Specific sections

  • Sec. 21.50

Former holders

  • Bell Helicopter Textron

Comments

Republished 5/4/05 to show corrected page grid at bottom of page 1.

Fleet view · 18 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

2–4 (n=18)

Horsepower

310

260–310

Cruise (kts)

78

78–78

Year of mfr

1958

1957–1965

Engines on the type, by tail count

  • LYCOMING VO-540 SERIES 11
  • LYCOMING VO-435 SERIES 5
  • LYCOMING VO-435-A1D 1

NTSB events

8

across all model variants

Applicable ADs

32

FAA airworthiness directives

Per-tail rate

0.44 events / tail · 1.78 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.