FAA · Supplemental Type Certificate
STC SA00944CH
Replace Janitrol combustion heater Model 81D94-X (XX) with C&D Associates combustion heater Model CD25K, CD35K, and CD45K
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (109)
- A17WE Aerostar Aircraft Corporation · PA-60-600 (Aerostar 600)
- A17WE Aerostar Aircraft Corporation · PA-60-601P (Aerostar 601P)
- A17WE Aerostar Aircraft Corporation · PA-60-602P (Aerostar 602P)
- A17WE Aerostar Aircraft Corporation · PA-60-700P (Aerostar 700P)
- A17EU B-N Group Ltd. · BN-2
- A17EU B-N Group Ltd. · BN-2A-6
- A17EU B-N Group Ltd. · BN-2A-8
- A17EU B-N Group Ltd. · BN-2A
- A17EU B-N Group Ltd. · BN-2T
- 3A16 Beechcraft Corporation · 58
- A23CE Beechcraft Corporation · 58P
- A23CE Beechcraft Corporation · 58TC
- A12CE Beechcraft Corporation · 60
- A29CE Beechcraft Corporation · 76
- 3A16 Beechcraft Corporation · 95-B55
- A12CE Beechcraft Corporation · A60
- A-765 Beechcraft Corporation · D18S
- 3A16 Beechcraft Corporation · E55
- H2SW Bell Helicopter Textron Canada Limited · 206A
- H2SW Bell Helicopter Textron Canada Limited · 206B
- H2SW Bell Helicopter Textron Canada Limited · 206L
- A14EA Bombardier Inc. · CL-215-1A10
- A14EA Bombardier Inc. · CL-215-6B11 (CL-215T Variant)
- A14EA Bombardier Inc. · CL-215-6B11 (CL-415 Variant)
- 1A10 Piper Aircraft Inc. · PA-23
- A1EA Piper Aircraft Inc. · PA-30
- A20SO Piper Aircraft Inc. · PA-31-300
- A20SO Piper Aircraft Inc. · PA-31-325
- A20SO Piper Aircraft Inc. · PA-31-350
- A20SO Piper Aircraft Inc. · PA-31
- A8EA Piper Aircraft Inc. · PA-31P
- A8EA Piper Aircraft Inc. · PA-31T
- A8EA Piper Aircraft Inc. · PA-31T1
- A8EA Piper Aircraft Inc. · PA-31T3
- A7SO Piper Aircraft Inc. · PA-34-200
- A7SO Piper Aircraft Inc. · PA-34-200T
- A7SO Piper Aircraft Inc. · PA-34-220T
- A1EA Piper Aircraft Inc. · PA-39
- A19SO Piper Aircraft Inc. · PA-44-180
- A19SO Piper Aircraft Inc. · PA-44-180T
- A37CE Textron Aviation Inc. · 208
- A37CE Textron Aviation Inc. · 208B
- 3A10 Textron Aviation Inc. · 310
- 3A10 Textron Aviation Inc. · 310A
- 3A10 Textron Aviation Inc. · 310B
- 3A10 Textron Aviation Inc. · 310C
- 3A10 Textron Aviation Inc. · 310D
- 3A10 Textron Aviation Inc. · 310E
- 3A10 Textron Aviation Inc. · 310F
- 3A10 Textron Aviation Inc. · 310G
+ 59 more aircraft
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.29
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗