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Atlas / TCDS / 4H12

FAA · Type Certificate Data Sheet

TCDS 4H12

Schweizer Aircraft Corporation

Historical Aircraft Rotorcraft Rev 23 12/15/2000 drs.faa.gov ↗

Models covered (6)

Applicable airworthiness directives (23)

ADs joined from the FAA Federal Register by (Schweizer Aircraft Corporation × model). Click any AD to see the full Federal Register record. Mandatory; flying out of compliance grounds the airplane.

  • 2017-15032 Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters (Type Certificate Previously Held by Schweizer Aircraft Corporation) 2017-07-21
  • 2016-31622 Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters (Type Certificate Previously Held by Schweizer Aircraft Corporation) 2017-01-05
  • 2015-28313 Airworthiness Directives; Sikorsky Aircraft Corporation (Type Certificate Previously Held by Schweizer Aircraft Corporation) 2015-11-10
  • 2015-09098 Airworthiness Directives; Sikorsky Aircraft Corporation (Type Certificate Previously Held by Schweizer Aircraft Corporation) 2015-04-22
  • 2011-16571 Airworthiness Directives; Schweizer Aircraft Corporation (Schweizer) Model 269A, A-1, B, C, C-1, and TH-55 Series Helicopters 2011-07-06
  • E7-5915 Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W 2007-04-02
  • E7-2985 Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cast Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W 2007-02-23
  • 05-9764 Airworthiness Directives; Schweizer Aircraft Corporation Model 269C, C-1, and D Helicopters 2005-05-18
  • 04-15128 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters 2004-07-06
  • 04-3495 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters 2004-02-19
  • 03-16685 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters 2003-07-08
  • 03-4479 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters 2003-02-26
  • 02-9729 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters 2002-04-23
  • 00-20405 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, 269C-1, 269D, and TH-55A Helicopters 2000-08-15
  • 00-11523 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, 269C-1, 269D, and TH-55A Helicopters 2000-05-09
  • 99-21177 Airworthiness Directives; Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, 269C-1, and 269D Helicopters 1999-08-18
  • 99-3588 Airworthiness Directives; Schweizer Aircraft Corporation Model 269C-1 Helicopters 1999-02-16
  • 98-30047 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269C-1 Helicopters 1998-11-10
  • 98-23600 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, 269D, and TH- 55A Helicopters 1998-09-02
  • 96-27755 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, 269D, and TH- 55A Series Helicopters 1996-10-30
  • 95-25330 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters 1995-10-13
  • 95-3513 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH-55A Series Helicopters 1995-02-14
  • 94-17868 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH-55A Series Helicopters 1994-08-15

Special Airworthiness Information Bulletins (6)

Advisory bulletins on these airframes. Not mandatory like ADs — but operators tracking AD compliance often miss the SAIB on the same component.

Certification basis — 14 CFR

Specific sections

  • Sec. 21.25
  • Sec. 21.35
  • Sec. 27.337
  • Sec. 27.1323
  • Sec. 21.183

Former holders

  • Schweizer Aircraft Corporation\Sikorsky Aircraft Corporation
  • Schweizer Aircraft Corporation

Fleet view · 458 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

3

2–3 (n=458)

Horsepower

205

180–205

Cruise (kts)

65

64–65

Year of mfr

1990

1952–2025

Engines on the type, by tail count

  • LYCOMING HIO-360 SER 202
  • LYCOMING HO-360 47
  • LYCOMING I0360 SER 42
  • LYCOMING HIO-360-D1A 40
  • LYCOMING HIO-360-G1A 38
  • LYCOMING O&VO-360 SER 13
  • LYCOMING HIO-360-B1A 6
  • NONE NONE 4

NTSB events

77

across all model variants

Applicable ADs

90

FAA airworthiness directives

Per-tail rate

0.17 events / tail · 0.20 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.