# SIGNATURE FLIGHT SUPPORT, M&O _ HONOLULU — Warning Letter

- **operation:** document
- **citation:** CPF 52024027WL
- **title:** SIGNATURE FLIGHT SUPPORT, M&O _ HONOLULU — Warning Letter
- **source type:** enforcement
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2024-06-20
- **effective on:** Not available
- **summary:** CLOSED warning letter citing 195.446(e)(4).
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-enforcement-52024027wl.json
- **markdown:** https://regulus.evalyn.ai/document/phmsa-enforcement-52024027wl.md
- **app url:** https://regulus.evalyn.ai/document/phmsa-enforcement-52024027wl
- **source url:** https://primis.phmsa.dot.gov/enforcement-data/case/52024027WL
**body:**

Warning Letter involving SIGNATURE FLIGHT SUPPORT, M&O _ HONOLULU. PHMSA's enforcement data identifies the cited regulation as 195.446(e)(4). The case was opened on 2024-06-20 and is reported as closed as of 2024-06-20. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

52024027WL_Operator Response to Notice_07112024_(23-264579).pdf: https://primis.phmsa.dot.gov/enforcement-documents/52024027WL/52024027WL_Operator%20Response%20to%20Notice_07112024_(23-264579).pdf

52024027WL_Warning Letter_06202024_(23-264579).pdf: https://primis.phmsa.dot.gov/enforcement-documents/52024027WL/52024027WL_Warning%20Letter_06202024_(23-264579).pdf

52024027WL_Warning Letter_06202024_(23-264579)_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/52024027WL/52024027WL_Warning%20Letter_06202024_(23-264579)_text.pdf

52024027WL_Warning Letter_06202024_(23-264579)_text.pdf

WARNING LETTER
VIA ELECTRONIC MAIL TO: J.Wilson@signatureaviation.com
June 20, 2024
Mr. John Wilson
Director, Airline Services
Signature Aviation
13485 Veterans Way, Suite 600
Orlando, Florida 32827
CPF 5-2024-027-WL
Dear Mr. Wilson:
From January 22 through 26, 2024, a representative of the Pipeline and Hazardous Materials
Safety Administration (PHMSA), pursuant to Chapter 601 of 49 United States Code (U.S.C.),
inspected the Signature Flight Support (Signature) control room procedures and records located
in Honolulu, Hawaii.
As a result of the inspection, it is alleged that you have committed probable violation of the
Pipeline Safety Regulations, Title 49, Code of Federal Regulations (CFR). The item inspected
and the probable violation is:



1. § 195.446 Control room management.
(a) …
(e) Alarm management. Each operator using a SCADA system must have a written
alarm management plan to provide for effective controller response to alarms. An
operator's plan must include provisions to:
(4) Review the alarm management plan required by this paragraph at least once
each calendar year, but at intervals not exceeding 15 months, to determine the
effectiveness of the plan; …
Signature failed to review its alarm management plan required at least once each calendar year,
but at intervals not exceeding 15 months, to determine the effectiveness of the plan. Although
Signature conducted reviews in calendar years 2021 and 2024, it did not review its management
plan in calendar years 2022 and 2023.
Under 49 U.S.C. § 60122 and 49 CFR § 190.223, you are subject to a civil penalty not to exceed
$266,015 per violation per day the violation persists, up to a maximum of $2,660,135 for a
related series of violations. For violation occurring on or after January 6, 2023 and before
December 28, 2023, the maximum penalty may not exceed $257,664 per violation per day the
violation persists, up to a maximum of $2,576,627 for a related series of violations. For violation
occurring on or after March 21, 2022 and before January 6, 2023, the maximum penalty may not
exceed $239,142 per violation per day the violation persists, up to a maximum of $2,391,142 for
a related series of violations. For violation occurring on or after May 3, 2021 and before March
21, 2022, the maximum penalty may not exceed $225,134 per violation per day the violation
persists, up to a maximum of $2,251,334 for a related series of violations. For violation
occurring on or after January 11, 2021 and before May 3, 2021, the maximum penalty may not
exceed $222,504 per violation per day the violation persists, up to a maximum of $2,225,034 for
a related series of violations. For violation occurring on or after July 31, 2019 and before
January 11, 2021, the maximum penalty may not exceed $218,647 per violation per day the
violation persists, up to a maximum of $2,186,465 for a related series of violations. For violation
occurring on or after November 27, 2018 and before July 31, 2019, the maximum penalty may
not exceed $213,268 per violation per day, with a maximum penalty not to exceed $2,132,679.
We have reviewed the circumstances and supporting documents involved in this case, and have
decided not to conduct additional enforcement action or penalty assessment proceedings at this
time. We advise you to correct the item identified in this letter. Failure to do so will result in
Signature being subject to additional enforcement action.
No reply to this letter is required. If you choose to reply, in your correspondence please refer to
CPF 5-2024-027-WL. Be advised that all material you submit in response to this enforcement
action is subject to being made publicly available. If you believe that any portion of your
responsive material qualifies for confidential treatment under 5 U.S.C. 552(b), along with the
complete original document you must provide a second copy of the document with the portions
you believe qualify for confidential treatment redacted and an explanation of why you believe



the redacted information qualifies for confidential treatment under 5 U.S.C. 552(b).
Sincerely,
Dustin Hubbard
Director, Western Region, Office of Pipeline Safety
Pipeline and Hazardous Materials Safety Administration
cc: PHP-60 Compliance Registry
PHP-500 J. Dunphy (#23-264579)
Jason Maga, General Manager – Signature Flight Support Honolulu,
Jason.maga@signatureflight.com
Larissa Demling, Operations Manager – Signature Flight Support Honolulu,
Larisa.demling@signatureflight.com
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