Delta Air Lines
BusinessSupport
Years in service definition
Airworthiness Directives: Pratt and Whitney Division Engines
FAA-2026-4643-0001NPRM
Comments
10
Last activity Jul 10, 2026
Deadline
Closed on Jul 11, 2026
Closed Jul 11, 2026
Net supportiSupport minus oppose · campaigns included
+89%
+89% excluding campaigns
Document
Details
The document's own metadata, straight from the source system.
- Title
- Airworthiness Directives: Pratt and Whitney Division Engines
- Posted
- May 26, 2026
- Comment period
- May 26, 2026 – Jul 11, 2026
- FR Doc
- 2026-10408
- CFR
- 14 CFR Part 39
- Topics
Analysis
Overview
What the public is saying — stance, who's commenting, and the issues they raise.
Include campaigns
Analyzed 9 of 10 comments
90%· analysis in progress
Stance breakdown
+89%
Net support
Support8Other1Not yet analyzed1
Aggregates include form-letter campaigns. Excluding them, net support is +89% across organic comments.
Who commented
Breakdown by commenter type.
Union
1
Business
6
Individual
1
Other
1
Not yet analyzed
1
Comments over time
Weekly arrivals, stacked by stance.
Posted May 26, 2026Deadline Jul 11, 2026
Jun 15Jun 22Jul 6
Support8Oppose0Other1
Support × commenter type
How each type splits across stance.
Support
Oppose
Other
Business
100%
0%
0%
Union
100%
0%
0%
Individual
0%
0%
100%
Other
100%
0%
0%
Issues raised
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Position map
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Issues shown
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| Organization | Sensor replacement requirements | Years in service definition |
|---|---|---|
Delta Air Lines BusinessSupport Delta Air Lines, Inc. | · | |
Pratt & Whitney, an RTX Business BusinessSupport Pratt & Whitney (RTX Corporation) supports the proposed Airworthiness Directive but requests specific technical clarific | · |
Pratt & Whitney, an RTX Business
BusinessSupport
Sensor replacement requirements
Comments
Explorer
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- Jul 8, 2026United Parcel Service (UPS)SupportBusiness
UPS Airlines requests specific modifications to the compliance methods for the Airworthiness Directives regarding Pratt and Whitney Division Engines. They propose allowing a 15-year calendar-time compliance interval for low-utilization operators and seeking a method to determine replacement timeframes for sensors with unknown history.
Read comment → - Jul 7, 2026United AirlinesSupportBusiness
United Airlines supports the Airworthiness Directive but requests the inclusion of specific Accomplishment Instructions from a Pratt & Whitney Service Bulletin. They argue that because EEC timers can be unreliable, the AD should allow for calculating operational hours based on years in service or average annual utilization.
Read comment → - Jun 21, 2026Atlas AirSupportBusinessRead comment →