FAA · Supplemental Type Certificate
STC SA01669CH
Installation of Challenger Reusable Air Filter
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 (495)
- A17SW Air Tractor Inc. · AT-402
- A17SW Air Tractor Inc. · AT-502
- A17SW Air Tractor Inc. · AT-502A
- A17SW Air Tractor Inc. · AT-502B
- A17SW Air Tractor Inc. · AT-503A
- A19SW Air Tractor Inc. · AT-602
- A19SW Air Tractor Inc. · AT-802
- A19SW Air Tractor Inc. · AT-802A
- A-758 Aircraft Parts & Development Corp. · A-9
- A4WE Aircraft Parts & Development Corp. · A-9A
- A-758 Aircraft Parts & Development Corp. · A-9B
- 1A3 Alexandria Aircraft LLC · 14-19-3A
- 1A3 Alexandria Aircraft LLC · 17-30
- A18CE Alexandria Aircraft LLC · 17-30A
- 1A16 Allied Ag Cat Productions Inc. · G-164B
- A-759 American Champion Aircraft Corp. · 7AC
- A-759 American Champion Aircraft Corp. · 7ACA
- A-759 American Champion Aircraft Corp. · 7BCM (Army L-16A)
- A-759 American Champion Aircraft Corp. · 7CCM (Army L-16B)
- A-759 American Champion Aircraft Corp. · 7DC
- A-759 American Champion Aircraft Corp. · 7EC
- A-759 American Champion Aircraft Corp. · 7ECA
- A-759 American Champion Aircraft Corp. · 7FC
- A-759 American Champion Aircraft Corp. · 7GC
- A-759 American Champion Aircraft Corp. · 7GCA
- A-759 American Champion Aircraft Corp. · 7GCAA
- A-759 American Champion Aircraft Corp. · 7GCB
- A-759 American Champion Aircraft Corp. · 7GCBA
- A-759 American Champion Aircraft Corp. · 7GCBC
- A-759 American Champion Aircraft Corp. · 7HC
- A-759 American Champion Aircraft Corp. · 7JC
- A-759 American Champion Aircraft Corp. · 7KC
- A-759 American Champion Aircraft Corp. · 7KCAB
- A21CE American Champion Aircraft Corp. · 8GCBC
- A21CE American Champion Aircraft Corp. · 8KCAB
- A-759 American Champion Aircraft Corp. · S7AC
- A-759 American Champion Aircraft Corp. · S7CCM
- A-759 American Champion Aircraft Corp. · S7DC
- A-759 American Champion Aircraft Corp. · S7EC
- A-746 Arizona Aerospace Foundation · DC-65
- A-746 Arizona Aerospace Foundation · DCO-65
- A22NM Aviat Aircraft Inc · A-1
- A22NM Aviat Aircraft Inc · A-1A
- A22NM Aviat Aircraft Inc · A-1B
- A17EU B-N Group Ltd. · BN-2
- A17EU B-N Group Ltd. · BN-2A-2
- A17EU B-N Group Ltd. · BN-2A-20
- A17EU B-N Group Ltd. · BN-2A-21
- A17EU B-N Group Ltd. · BN-2A-27
- A17EU B-N Group Ltd. · BN-2A-3
+ 445 more aircraft
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗