# N949CH: 1990 Tandem Rotor CH47D

- Status: Valid registration
- Airframe: [Tandem Rotor CH47D](https://openairdocs.org/model/tandem-rotor-ch47d) (registry code 8840351, 3 seats)
- Engine: [Honeywell T55-GA-714A](https://openairdocs.org/engine/honeywell-t55-ga-714a) (registry code 33886)
- Data sheets: [TCDS R0014DE](https://openairdocs.org/tcds/R0014DE) (Tandem Rotor LLC) (OpenAirDocs)
- Serial number: 90-0205
- Year built: 1990
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Restricted, agriculture and pest control, forest, other
- Airworthiness date: February 17, 2017
- Certificate issued: June 18, 2014
- Expires: June 30, 2027
- Mode S code: AD2ED1
- Registered owner: [Heligroup Fire LLC](https://openairdocs.org/faa-owner/HELIGROUP%20FIRE%20LLC)
- Location: [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula)
- Owner type: LLC
- Owner's area on the map: 46.8721° N, 113.9940° W: Placed by OpenAirDocs: center of Missoula, MT, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=949CH
- Page: https://openairdocs.org/aircraft/N949CH

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Tandem Rotor CH47D)

- [AD 2024-20-05](https://openairdocs.org/ad/2024-20-05): Flight control systems · Columbia Helicopters 234 and CH-47D. Effective Oct 28, 2024
- [AD 2021-23-06](https://openairdocs.org/ad/2021-23-06): Rotor flight controls · Columbia Helicopters 234 and CH-47D. Effective Jan 4, 2022
- [AD 2018-16-11](https://openairdocs.org/ad/2018-16-11): Main Rotor Head · Billings Flying Service CH-47D, 234, CH-47D and 1 more. Effective Sep 17, 2018

### Matched by engine (Honeywell T55-GA-714A)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N949CH.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20210423001989I](https://openairdocs.org/incident/20210423001989I), Apr 23, 2021: Tandem Rotor LLC CH47D (N949CH), Ludlow, CA, No damage. Approx 40 min. After departing from fuel stop in lancaster, CA. (Kwjf) enroute to AZ, the aircraft had a #2 afcs fault light, and began experiencing a "tail…

## Service difficulty reports (2)

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

- [SDR 2024FA0000134](https://openairdocs.org/sdr/2024FA0000134), Feb 6, 2024: GRIP. CRACKED. A CRACK WAS FOUND ON THE AFT ROTOR HEAD, RED PITCH HOUSING (GRIP) PART NO.:145R2075-16, SERIAL NO.: AM362 LOCATED FROM THE EDGE OF THE PITCH HOUSING DAMPER ATTA
- [SDR 2019080600039](https://openairdocs.org/sdr/2019080600039), Aug 6, 2018: DOOR. DETACHED. COCKPIT JETTISONABLE DOOR RELEASED IN FLIGHT AND DEPARTED THE AIRCRAFT. NO INJURIES OR OTHER DAMAGE TO AIRCRAFT.

## STCs that may be installed (OpenAirDocs) (4)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Tandem Rotor CH47D)

- [STC SR02510SE](https://openairdocs.org/stc/SR02510SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR02599SE](https://openairdocs.org/stc/SR02599SE): Installation of a Kawak Aviation Technologies Model 41300 auxiliary hydraulic system. Kawak Aviation Technologies, Inc
- [STC SR00788DE](https://openairdocs.org/stc/SR00788DE): Installation of Bubble Windows on BFS CH-47D Chinook Rotorcraft for Left and Right sides of the Pilot and Co-Pilot doors respectively. Billings Flying Service Inc
- [STC SR00836DE](https://openairdocs.org/stc/SR00836DE): Modification and Installation of the Pilot Left Seat Cyclic Stick and Thrust Lever Flight Controls. Tandem Rotor, LLC

## Related

- Other Tandem Rotor CH47D aircraft: https://openairdocs.org/model/tandem-rotor-ch47d/aircraft.md
- The Honeywell T55-GA-714A engine: https://openairdocs.org/engine/honeywell-t55-ga-714a.md

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