MSN 55101 exists for 2 aircraft types, because each manufacturer numbers its own production. All of them are listed below.

Boeing 717 · 231 MSN 55101

Active

Identity

TypeBoeing 717
Variant231
FamilyDC9
Series—
Line Number—
Test Reg—

Operators

Operatornot built

Timeline

First Flight

—

Delivery

—

Age

—

Last Updated

29 Oct 2026

Remarks

TWA canc 4.01

History

Boeing 717-231, serial number 55101. Delivered to not built. Twin Hills Airport cancelled Apr 2001.

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Airbus A220-300 MSN 55101

Registration N308DU · Delta Airlines

In service

Identity

TypeAirbus A220-300
Variant220-300
FamilyA220
Series—
Line Number—
Test Reg—

Operators

OperatorDelta Airlines

Timeline

First Flight

24 Mar 2021

Delivery

13 Apr 2021

Age

5.6 yrs

Last Updated

29 Oct 2026

History

Airbus A220-300, serial number 55101. Delivered to Delta Airlines on 13 Apr 2021, registered N308DU. Current status: in service.

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