The U.S. aircraft register, updated daily
Models · Billings Flying Service Inc · Helicopters · data as of October 23, 2026

Billings Flying Service Inc CH-47

6 on the U.S. register. Built from 1990 to 1993; half of them date from 1992 or earlier. Montana has the most (5). 100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

About the CH-47 from the FAA's model table

Type
Rotorcraft · Helicopters
Power
Turboshaft, 2 engines
Common engines
Honeywell T55-Ga-714A (6)
Seats
3
Built of
aluminium
Maker on the register
Billings Flying Service Inc
Registered
earliest certificate January 15, 2016; newest June 21, 2026

Where they are owner's state

By state, as a table
aircraft
Montana5
California1

Who owns them registrant type

By owner type, as a table
aircraftshare
Corporation583%
LLC117%

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
CH-47D61990 to 1993100.0%

When they were built by decade

0234661990
By decade built, as a table
aircraft
19906

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20164
20231
20261

Registration status

By status, as a table
aircraftshare
Valid6100%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Restricted583%
Experimental117%

Biggest operators companies, schools and clubs

Largest fleets, as a table
aircraft
Billings Flying Service LLC5
Pj Helicopters INC1

Fleet pages: Billings Flying Service LLC · Pj Helicopters INC

Accident history NTSB records · 0 cases since 1982, 0 fatal

No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record. How models compare: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Billings Flying Service Inc CH-47 aircraft are registered in the U.S.?

6 as of October 23, 2026, counting 1 version the FAA records separately.

Which state has the most Billings Flying Service Inc CH-47s?

Montana, with 5.

Who owns the Billings Flying Service Inc CH-47?

100% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.

When were the Billings Flying Service Inc CH-47s on the register built?

Between 1990 and 1993; half of them in 1992 or earlier.

What is the Billings Flying Service Inc CH-47 made of?

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.

What the FAA has certified, ordered and been told about the Billings Flying Service Inc CH-47 the component layer

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The design is held under 3 type certificates. The FAA has issued 3 airworthiness directives (orders that owners must comply with) that name this model, most of them about flight controls. 5 approved modifications exist for it, the most by Kawak Aviation Technologies, INC..

FAA orders 3 airworthiness directives · newest first

2024-10-282024-20-05 · Flight control systems · flight controls
2022-01-042021-23-06 · Rotor flight controls · flight controls
2018-09-172018-16-11 · Main Rotor Head · rotorcraft systems

By system

Orders by system, as a table
ordersshare
Flight controls267%
Rotorcraft systems133%

Approved modifications 5 supplemental type certificates

Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:

Latest

2026-08-03SR02510SE · Installation of a Supplemental Lighting System
2026-03-30SR02599SE · Installation of a Kawak Aviation Technologies Model 41300 auxiliary hydraulic system.
2025-08-20SR01136DE · Installation of Night Vision Imaging System (NVIS) / Night Vision Goggles (NVG) Compatible...
2025-06-06SR00788DE · Installation of Bubble Windows on BFS CH-47D Chinook Rotorcraft for Left and Right sides of the...
2023-09-13SR02598SE · Installation of a Kawak Aviation Technologies Model 41400 aerial liquid dispensing system

Certificates and bulletins

R00115SEType certificate held by Billings Flying Service INC. · 2 models listed · revised March 13, 2025
R0011DEType certificate held by Billings Flying Service INC. · 2 models listed · revised August 28, 2023
R0015DEType certificate held by Billings Flying Service INC. · 2 models listed · revised August 28, 2023

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how the CH-47 links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record
Airworthiness

The whole map of how records connect · these connections as data: /graph/model/billings-flying-service-inc/ch-47.json.

Aircraft newest certificates first · 6

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N404AJ Billings Flying Service Inc
CH-47D
Billings Flying Service LLC
Billings, Montana
Restricted 2026-06-21 ValidFAA registration status code V: Valid registration. All codes
N259PJ Billings Flying Service Inc
CH-47D
Pj Helicopters INC
Red Bluff, California
Experimental 2023-08-09 ValidFAA registration status code V: Valid registration. All codes
N405AJ Billings Flying Service Inc
CH-47D
Billings Flying Service LLC
Billings, Montana
Restricted 2016-10-31 ValidFAA registration status code V: Valid registration. All codes
N401AJ Billings Flying Service Inc
CH-47D
Billings Flying Service LLC
Billings, Montana
Restricted 2016-06-03 ValidFAA registration status code V: Valid registration. All codes
N562AJ Billings Flying Service Inc
CH-47D
Billings Flying Service LLC
Billings, Montana
Restricted 2016-06-03 ValidFAA registration status code V: Valid registration. All codes
N227AJ Billings Flying Service Inc
CH-47D
Billings Flying Service LLC
Billings, Montana
Restricted 2016-01-15 ValidFAA registration status code V: Valid registration. All codes