Registered owner
Brown Helicopter Inc
Owner type
Corporation
Serial number
73-21715
Year built
1973
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Experimental, showing compliance
Airworthiness date
May 5, 1998
Certificate issued
December 11, 2014
Expires
December 31, 2027
Mode S code
A003D8

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming T-53 model are included below.

On this page

Airworthiness directives that may apply · 43

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

1971In forceSuperseded2026
ADs by the year they took effect: 48 ADs
19711
19742
19753
19781
19801
19871
19901
19911
19931
19941
19952
19962
19972
19982
19991
20002
20026
20063
20091
20122
20132
20141
20212
20226
20241
See all 48 ADs

Information bulletins that may apply · 2

Advisory, not mandatory.

Historical bulletins · 1

NTSB investigations

No NTSB investigations matched to N10RFMatched 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 Bell UH-1H aircraft

FAA incident reports

No FAA accident or incident reports matched to N10RFMatched 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 Bell UH-1H aircraft

Service difficulty reports

No reports matched to N10RFGeneral 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 Bell UH-1H aircraft

STCs that may be installed · 4

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