N421ZM

CESSNA 421C · 1981 · Fixed-wing multi-engine · 2 engines · 8 seats · Valid Registration

Registered owner: 3TR AVIATION LLC, TX (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
HANGAR 9 INC (9HNA)Certificate holderMatched by certificate designator

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

Maintenance disclosures

Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.

2 reports on file, 2004-02-06 – 2016-05-10.

ELECT. POWER LOSS-50 PC · 2016-05-10 Matched by certificate designator
ATA 2422

Part: ALTERNATOR — FAILED (RT ENGINE)

RIGHT ALTERNATOR FAILED. PULLED OFF THE ALTERNATOR AND FOUND BROKEN ALTERNATOR SHAFT 1" OTBD OF DRIVE COUPLING. CAME OFF ENGINE FROM ACFT.

Source: SDR 2016FA0000226
FALSE WARNING · 2004-02-06 Unresolved
ATA 3418

Part: DETECTOR — INOPERATIVE (STALL WARNING)

THIS NEWLY OVERHAULED DETECTOR WAS INSTALLED AND OPS CHECKED AFTER A COUPLE OF CHECKS THE STALL HORN WILL STAY ON. RETURNED UNIT FOR ANOTHER O/HED DETECTOR. THIS ABOUT SECOND AIRCRAFT I WENT THROUGH THIS WITH (ORDERING DETECTORS UNTIL I GET ONE THAT WORKED. NEED BETTER QC).

Source: SDR 2004FA0000297