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Public Record · As of May 5, 2026

N337MT

Boeing Helicopters CH-47D · 1998 View Type →

Status

Registration Valid

Type

Rotorcraft

Engine

LYCOMING T-55 SER TS

Last Cert Issue

—

Aircraft Resources

Engine · Lycoming Engines → Search FAA TCDS for BOEING HELICOPTERS CH-47D →

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N337MT.

Tail Number

N337MT

Serial Number

M4101

Make

BOEING HELICOPTERS

Model

CH-47D

Year of Manufacture

1998

Mfr / Model Code

138260A

Type Aircraft

Rotorcraft

Type Engine

Turbo-shaft

Engines

2

Seats

44

Engine Manufacturer

LYCOMING

Engine Model

T-55 SER TS

Horsepower

2650 hp

Weight Class

CLASS 2

Certification

Experimental (+1 flag) · code 40

Registrant

BILLINGS FLYING SERVICE INC · Corporation

Address

3655 AJ WAY · BILLINGS, MT 59106-9745

FAA Region

Southern · County 111

Status

Registration Valid

Airworthiness Date

—

Cert Issue Date

—

Expiration Date

—

Last FAA Action

—

Mode S Hex (ICAO24)

A3B0F5

Mode S (Octal)

50730365

Live position via ICAO24 A3B0F5

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External services. Live tracks are unaffiliated with TallyAero or the FAA.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to BOEING HELICOPTERS CH-47D

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • Oct 11, 2024

    Airworthiness Directives; Columbia Helicopters, Inc., and Restricted Category Model CH-47D Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Columbia Helicopters, Inc., Model 234 helicopters and restricted category Model CH-47D helicopters. This AD was prompted by two reports of a flight control rigid connecting link (link) failure, due to a manufacturing defect. This AD requires removing certain links from service and prohibits installi…

    Federal Register →

  • Dec 20, 2021

    Airworthiness Directives; Various Model 234 and Model CH-47D Helicopters

    The FAA is adopting a new airworthiness directive (AD) for various Model 234 and Model CH-47D helicopters. This AD was prompted by two reports of mechanical failures of the longitudinal cyclic trim actuator (LCTA). This AD requires determining the maintenance history, and hours time-in-service (TIS) and number of lift cycles for each LCTA since last overhau…

    Federal Register →

  • Aug 13, 2018

    Airworthiness Directives; Various Model 234 and Model CH-47D Helicopters

    We are adopting a new airworthiness directive (AD) for various Model 234 and Model CH-47D helicopters. This AD requires inspections of the pitch housing and revising the pitch housing retirement life. This AD was prompted by reports of cracking in the pitch housing lugs. The actions of this AD are intended to detect and prevent an unsafe condition on these…

    Federal Register →

  • Mar 14, 2017

    Airworthiness Directives; Various Model 234 and Model CH-47D Helicopters

    We propose to adopt a new airworthiness directive (AD) for various Model 234 and Model CH-47D helicopters. This proposed AD would require inspections of the pitch housing and revising the pitch housing retirement life. This proposed AD is prompted by reports of cracking in the pitch housing lugs. The proposed actions are intended to detect and prevent an un…

    Federal Register →

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.