STC SE8677SW
FAA DRS lists SE8677SW as Current · Reissued, held by Western Skyways, Inc., for Continental Motors IO-520-B, Continental Motors IO-520-BA, and Continental Motors IO-520-BB, and 1 more aircraft configuration. Recorded change: Installation of Garrett/Airesearch Model TE0659 turbocharger. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SE8677SW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Continental Motors IO-520-B, Continental Motors IO-520-BA, and Continental Motors IO-520-BB, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Replacement of the original Pratt and Whitney PT6A-114(A) engine and propeller with a Pratt and Whitney PT6A-140 and 3-blade Hartzell Propeller HC-B3TN-3AF(Y)/T10890CN(K)-2, also Ametek MG94K-2 325 AMP Starter Generator, Howell Instruments powerplant indicating system, and associated equipment.
FAA holder: Blackhawk Modifications Inc.
Installation of Lycoming Engine Model IO-390-A3A6 with Hartzell model HC-C2YR-1BFP/F8477-2,-4; HC-C2YR-1N/NG8301(); or MT propeller model MTV-15-B/210-58.
FAA holder: David A. Stoots dba Stoots Aviation LLC
FAA record reference
- STC number
- SE8677SW
- Product
- Engine
- Country
- United States
- Application date
- April 30, 1992
- Revision date
- March 20, 2017
- CFR references
- Part 21