FAA · Supplemental Type Certificate
STC SE659NE
Installation of oil tank filler neck check valve, P/N TSA-76A.
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 (55)
- E21NE Pratt & Whitney Canada Inc. · PT6B-36A
- E21NE Pratt & Whitney Canada Inc. · PT6B-36
- E22EA Pratt & Whitney Canada Inc. · PT6T-3B
- E22EA Pratt & Whitney Canada Inc. · PT6T-3
- E22EA Pratt & Whitney Canada Inc. · PT6T-6
- E22EA Pratt & Whitney Canada Inc. · PT6T-3A
- E26NE Pratt & Whitney Canada Inc. · PT6A-66
- E26NE Pratt & Whitney Canada Inc. · PT6A-67A
- E26NE Pratt & Whitney Canada Inc. · PT6A-67
- E26NE Pratt & Whitney Canada Inc. · PT6A-67R
- E4EA Pratt & Whitney Canada Inc. · PT6A-42
- E4EA Pratt & Whitney Canada Inc. · PT6A-112
- E4EA Pratt & Whitney Canada Inc. · PT6A-114
- E4EA Pratt & Whitney Canada Inc. · PT6A-38
- E4EA Pratt & Whitney Canada Inc. · PT6A-34B
- E4EA Pratt & Whitney Canada Inc. · PT6A-135A
- E4EA Pratt & Whitney Canada Inc. · PT6A-34
- E4EA Pratt & Whitney Canada Inc. · PT6A-27
- E4EA Pratt & Whitney Canada Inc. · PT6A-6/C20
- E4EA Pratt & Whitney Canada Inc. · PT6A-29
- E4EA Pratt & Whitney Canada Inc. · PT6A-60
- E4EA Pratt & Whitney Canada Inc. · PT6A-135
- E4EA Pratt & Whitney Canada Inc. · PT6A-50
- E4EA Pratt & Whitney Canada Inc. · PT6A-20
- E4EA Pratt & Whitney Canada Inc. · PT6A-6A
- E4EA Pratt & Whitney Canada Inc. · PT6A-65AG
- E4EA Pratt & Whitney Canada Inc. · PT6A-40
- E4EA Pratt & Whitney Canada Inc. · PT6A-11AG
- E4EA Pratt & Whitney Canada Inc. · PT6A-15AG
- E4EA Pratt & Whitney Canada Inc. · PT6A-60A
- E4EA Pratt & Whitney Canada Inc. · PT6A-61
- E4EA Pratt & Whitney Canada Inc. · PT6A-61A
- E4EA Pratt & Whitney Canada Inc. · PT6A-65B
- E4EA Pratt & Whitney Canada Inc. · PT6A-65R
- E4EA Pratt & Whitney Canada Inc. · PT6A-121
- E4EA Pratt & Whitney Canada Inc. · PT6A-6B
- E4EA Pratt & Whitney Canada Inc. · PT6A-41
- E4EA Pratt & Whitney Canada Inc. · PT6A-110
- E4EA Pratt & Whitney Canada Inc. · PT6A-116
- E4EA Pratt & Whitney Canada Inc. · PT6A-28
- E4EA Pratt & Whitney Canada Inc. · PT6A-34AG
- E4EA Pratt & Whitney Canada Inc. · PT6A-36
- E4EA Pratt & Whitney Canada Inc. · PT6A-6
- E4EA Pratt & Whitney Canada Inc. · PT6A-25A
- E4EA Pratt & Whitney Canada Inc. · PT6A-45R
- E4EA Pratt & Whitney Canada Inc. · PT6A-65AR
- E4EA Pratt & Whitney Canada Inc. · PT6A-25
- E4EA Pratt & Whitney Canada Inc. · PT6A-45A
- E4EA Pratt & Whitney Canada Inc. · PT6A-45
- E4EA Pratt & Whitney Canada Inc. · PT6A-41AG
+ 5 more aircraft
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗