Avionics News March 2023 - 53

required D095 LOA elements and
utilize the relief or incorporate the
relief in their FAA-approved MEL
(D195 LOA) according to the SRAL.
However, anticipated changes to
Part 91 MEL processes might make
this clearer.
Current policy and guidance
Three key resources describe the
MEL process, including requirements
for STC equipment and instruments.
* MMEL Policy Letter (PL)-36
Rev. 3, dated June 16, 2020 -
14 CFR Part 91 MEL Approval
and Preamble.
REPAIR SHOPS AND
AIRCRAFT OPERATORS
SHOULD LEARN TO
WORK WITH THE NEW
DRS. VISIT DRS.FAA.
GOV, THEN USE THE
MENU ON THE LEFT
SIDE TO MANEUVER
THROUGH MMELS
AND AEG GUIDANCE
DOCUMENTS. THERE
YOU'LL FIND STC RELIEF
APPROVAL LETTERS.
* PL-109 Rev. 1, dated Nov. 7,
2019 - Supplemental Type Certificate MMEL/MEL
Relief Process.
* Notice N8900.625, dated May 1, 2022 - Minimum
Equipment List Relief for Supplemental Type
Certificates and Other Items from a Change to Type
Design.
MMEL PL-109 states an operator
may not submit a request for MMEL/
MEL relief on behalf of the STC
applicant or holder.
However, Notice 8900.625 states,
" This notice updates the policy found
in MMEL PL-109. PIs (principal
inspectors) should no longer direct
operators to petition the STC or design
holder for relief, as stated in MMEL
PL-109, and are expected to work with
their operators for MEL relief. "
For a used airplane with equipment
or instruments installed by STC, the
operator should determine if STCspecific
relief already exists in the
MMEL or if an SRAL has been issued.
For recently STC'd equipment, the FAA might already
have an SRAL on file. Check the drs.faa.gov website for
existing SRALs. If there is no SRAL for that particular
equipment, the operator might need to pursue an SRAL.
Continued on following page
avionics news * march 2023 53

http://drs.faa.gov

Avionics News March 2023

Table of Contents for the Digital Edition of Avionics News March 2023

Avionics News March 2023 - Intro
Avionics News March 2023 - Cover1
Avionics News March 2023 - Cover2
Avionics News March 2023 - 1
Avionics News March 2023 - 2
Avionics News March 2023 - 3
Avionics News March 2023 - 4
Avionics News March 2023 - 5
Avionics News March 2023 - 6
Avionics News March 2023 - 7
Avionics News March 2023 - 8
Avionics News March 2023 - 9
Avionics News March 2023 - 10
Avionics News March 2023 - 11
Avionics News March 2023 - 12
Avionics News March 2023 - 13
Avionics News March 2023 - 14
Avionics News March 2023 - 15
Avionics News March 2023 - 16
Avionics News March 2023 - 17
Avionics News March 2023 - 18
Avionics News March 2023 - 19
Avionics News March 2023 - 20
Avionics News March 2023 - 21
Avionics News March 2023 - 22
Avionics News March 2023 - 23
Avionics News March 2023 - 24
Avionics News March 2023 - 25
Avionics News March 2023 - 26
Avionics News March 2023 - 27
Avionics News March 2023 - 28
Avionics News March 2023 - 29
Avionics News March 2023 - 30
Avionics News March 2023 - 31
Avionics News March 2023 - 32
Avionics News March 2023 - 33
Avionics News March 2023 - 34
Avionics News March 2023 - 35
Avionics News March 2023 - 36
Avionics News March 2023 - 37
Avionics News March 2023 - 38
Avionics News March 2023 - 39
Avionics News March 2023 - 40
Avionics News March 2023 - 41
Avionics News March 2023 - 42
Avionics News March 2023 - 43
Avionics News March 2023 - 44
Avionics News March 2023 - 45
Avionics News March 2023 - 46
Avionics News March 2023 - 47
Avionics News March 2023 - 48
Avionics News March 2023 - 49
Avionics News March 2023 - 50
Avionics News March 2023 - 51
Avionics News March 2023 - 52
Avionics News March 2023 - 53
Avionics News March 2023 - 54
Avionics News March 2023 - 55
Avionics News March 2023 - 56
Avionics News March 2023 - 57
Avionics News March 2023 - 58
Avionics News March 2023 - 59
Avionics News March 2023 - 60
Avionics News March 2023 - 61
Avionics News March 2023 - 62
Avionics News March 2023 - 63
Avionics News March 2023 - 64
Avionics News March 2023 - 65
Avionics News March 2023 - 66
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Avionics News March 2023 - 71
Avionics News March 2023 - 72
Avionics News March 2023 - Cover3
Avionics News March 2023 - Cover4
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