Registered owner
Provost Michael A
Owner type
Individual
Serial number
V55-896T
Year built
1997
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Standard
Airworthiness date
February 25, 1997
Certificate issued
December 11, 2021
Expires
December 31, 2028
Mode S code
A64168

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every AiResearch TSE331 model are included below.

On this page

Airworthiness directives that may apply · 33

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1963In forceSuperseded2026
ADs by the year they took effect: 25 ADs
19631
19651
19672
19701
19711
19732
19752
19761
19801
19891
19932
19941
19951
19981
20021
20031
20061
20161
20181
20211
20231
See all 36 ADs

Information bulletins that may apply · 1

Advisory, not mandatory.

Engine · AiResearch TSE331 series

SAIB NE-06-69Issued Sep 20, 2006

NTSB investigations

No NTSB investigations matched to N502AKMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Sikorsky/Vertical S-55 aircraft

FAA incident reports

No FAA accident or incident reports matched to N502AKMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Sikorsky/Vertical S-55 aircraft

Service difficulty reports

No reports matched to N502AKGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Sikorsky/Vertical S-55 aircraft

STCs that may be installed · 28

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 28 STCs