Location
Casper, WY
Owner type
Corporation
Serial number
421B0580
Year built
1974
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal
Airworthiness date
February 28, 1974
Certificate issued
February 6, 2026
Expires
February 28, 2033
Mode S code
A00229

From the FAA registry file of October 22, 2026.

On this page

Airworthiness directives that may apply · 55

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

1972In forceSuperseded2026
ADs by the year they took effect: 58 ADs
19724
19731
19742
19751
19762
19771
19782
19791
19812
19831
19861
19882
19891
19901
19911
19921
19931
19951
19961
19971
19984
19991
20001
20011
20042
20055
20071
20101
20121
20141
20163
20182
20201
20221
20235
See all 63 ADs

Information bulletins that may apply · 15

Advisory, not mandatory.

See all 16 bulletins

NTSB investigations · 1

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Service difficulty reports

No reports matched to N1YAGeneral 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 Cessna 421B aircraft

STCs that may be installed · 279

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

See all 279 STCs