FAA CERTIFICATION & AEROSPACE ENGINEERING SERVICES
PROPULSION
CERTIFICATION
FROM EVERY ANGLE
Prime Propulsion delivers DER-led FAA certification consulting across the full scope of propulsion engineering — commercial manufacturing, aircraft modification, engine test, and defense programs. One firm. One specialty. Complete certification authority.
Pratt & Whitney · FAA · U.S. Air Force · Three-perspective expertise
Active DER · Parts 23, 25 & 33 delegations · 30+ approvals per year
Commercial & defense · ACAT 1D program experience
30+
FAA APPROVALS PER YEAR
COMMERCIAL & DEFENSE
5
FAA DER DELEGATIONS
PARTS 23 · 25 · 27 · 29 ·33
5
CORE SERVICE AREAS
PMA · STC · DEFENSE · TEST CELL · REPPAIR
100%
DER-LED ENGAGEMENTS
NO HANDOFF QUEUES
OUR SERVICES
FAA CERTIFICATION
& ENGINEERING SERVICES
Every service is led by our in-house DER. You get direct access to the engineer whose name is on the approval — not a project manager who coordinates with one.
01
FAA PMA CERTIFICATION
TEST & COMPUTATIONS
IDENTICALITY
MRO CONVERSION
FORM 8110-3
02
SUPPLEMENTAL TYPE CERTIFICATE
PART 33 ENGINE
PART 23/25 Powerplant
PSCP
ACO COORDINATION
03
FAA PMA CERTIFICATION
ACAT 10 EXPERIENCES
DUAL-USE CERTIFICATION
TECHNICAL REVIEW SUPPORT
DEFENCE CONTRACTOR DER
04
TEST CELL CORRELATION
PERFORMANCE TESTING
OEM CORRELATION
MRO SUPPORT
05
REPAIR SPECIFICATION
MRO-TO-PMA CONVERSION
DER SIGN-OFF
PROPULSION COMPONENTS
?
NOT SURE WHERE TO START?
FREE CONSULTATION
NO COMMITMENT
30 MINUTES
DER AUTHORITY
IN-HOUSE DER
DELEGATIONS
Our Designated Engineering Representative holds active FAA delegations in Parts 23, 25, 27, 29, and 33 — covering the full range of fixed-wing aircraft and propulsion certification. Every project includes the DER engineering approval that closes the loop with the FAA. No external coordination. No handoff delays.
The Certification Letter of Authorization (CLOA) documents the specific scope of our DER's authority under each Part. These are available for download:
14 CFR PART 23
NORMAL CATEGOY AIRPLANES
Airworthiness standards for normal category aircraft. Primary application: fuel system modifications, engine installations, and powerplant system integration on piston and turboprop platforms.
14 CFR PART 25
TRANSPORT CATEGOY AIRPLANES
Airworthiness standards for transport category aircraft. Primary application: fuel system design and modifications on commercial transport platforms. Highest regulatory standard for fixed-wing aircraft.
14 CFR PART 27
NORMAL CATEGORY ROTORCRAFT
Airworthiness standards for normal category rotorcraft. Delegation scoped to engine installations, fuel and oil systems, and transmission systems, covering the full powerplant integration on helicopters and other rotorcraft.
14 CFR PART 29
TRANSPORT CATEGORY ROTORCRAFT
Airworthiness standards for transport category rotorcraft. Delegation scoped to engine installations, fuel and oil systems, drive systems and transmission systems _ the highest regulatory standard for rotorcraft propulsion integration.
14 CFR PART 33
AIRCRAFT ENGINES
Airworthiness standards for aircraft engines — our primary specialty. Covers turbine engine design, testing, and modification. Applied in conjunction with AC 33-8 and related guidance for PMA, STC, and repair specification programs.
HOW WE WORK WITH
BUILT FOR MANNUFACTURERS
WHO MOVE FAST
Prime Propulsion is sized for organizations that need senior DER attention and direct access — without the overhead and handoff queues of a large certification firm.
01
UNDERSTAND BEFORE SCOPING
Small to mid-size manufacturers developing new parts or modifications who need in-house DER capability without the cost of building it internally. Direct access to the DER, not a project manager.
02
MRO OPERATORS
Maintenance facilities with proven proprietary repair processes looking to convert them into FAA-approved PMA products — or seeking DER approval support for repair specification programs.
03
DEFENSE CONTRACTORS & PROGRAM OFFICE
Primes, Tier 1/2 defense suppliers, and program offices requiring propulsion engineering support on dual-use systems or defense acquisition programs — backed by ACAT 1D government experience.
04
AFTERMARKET PARTS MANUFACTURERS
Companies entering the aviation aftermarket for the first time, or expanding their PMA portfolio. We handle the entire certification path — from compliance plan through FAA approval.
05
INTERNATIONAL MANUFACTURERS
Non-U.S. aerospace manufacturers seeking FAA certification for U.S. market access — whether for commercial PMA parts, STC modifications, or engine components on dual-use platforms.
06
ENGINE OVERHAUL FACILITIES
Turbine engine overhaul shops requiring test cell correlation documentation, repair specification development, or DER support for component approvals under Part 33.
GET STARTED
NOT SURE WHICH SERVICE YOU NEED?
​Start with a free 30-minute consultation. Tell us what you're trying to achieve — a part you want approved, a modification you're developing, a defense program you're supporting — and we'll identify the right path and give you a clear scope before you commit to anything.
CALL DIRECT
(404) 919-1584
SERICES AREA
OUR BACKGROUND
FROM THE BLOG