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Universal Avionics - New FAA Certification
Process Streamlines WAAS LPV Upgrade
By Dan Reida
Approval Process is the result of an ex-
emplary cooperative effort between Uni-
versal Avionics, FAA Aircraft
Certification Services Branches, Flight
Standards Service and the Los Angeles
Aircraft Certification Office. The resul-
tant FAA approved process is a win for
our industry as a whole as well as air-
craft operators and the FAA,” says Bob
Uhde, Universal’s Director of Engineer-
Prompted by growing demand for its cal (LPV) via FAA field approval (337). ing Services.
WAAS-capable Flight Management Sys- Using this method avoids a costly and la- Availability of Wide Area Augmenta-
tems, Universal Avionics collaborated with borious Supplemental Type Certificate tion System (WAAS)-capable avionics is
the FAA to develop a streamlined certifi- (STC) process, saving time and money. integral to the FAA’s goal of increasing
cation path for the WAAS/SBAS-FMS. Universal worked with several the use of GPS navigation and reducing
Referred to as the “Engineering Assisted branches of the FAA to develop an af- the industry’s dependence on older ground
Field Approval Process,” it provides Uni- fordable and expeditious solution for the based navaids such as ILS. Charted as
versal FMS operators an upgrade path to approval of WAAS/SBAS-FMS up- RNAV (GPS) LPV on the approach plate,
WAAS Localizer Performance with Verti- grades. “The Engineering Assisted Field Localizer with Vertical (LPV) approach
procedures take advantage of the preci-
sion of WAAS GPS for both lateral and
vertical guidance during the approach seg-
ment. Use of these procedures alleviates
airspace congestion, saves fuel and im-
proves safety.
In what amounts to an extremely af-
fordable and expeditious approval
method, many operators can now upgrade
to WAAS and LPV capability during reg-
ular aircraft maintenance. The Engineer-
ing Assisted Field Approval process is
designed so that each installation facility
is required to complete the process just
once for a particular aircraft type, flight
guidance system and display configura-
tion. All follow-on installations for that
configuration simply apply for approval
under the standard field approval process.
Applicants for the Engineering Assisted
Field Approval Process must meet certain
eligibility requirements. The existing air-
craft must be registered in the U.S. (N-reg-
istered) as a Part 91 and Part 135 operator.
In addition, the existing FMS installation
must be approved by FAA TSO, TC or
Field Approval for fully coupled 3D
pseudo ILS approaches. Universal Avion-
ics shared news of this valuable tool with
all its Authorized Dealers and Installation
Facilities in an email communication to-
day, with a follow-up information pack-
age to be mailed next week.

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