# N42CU: 1991 Boeing CH-47D

- Status: Valid registration
- Airframe: [Boeing CH-47D](https://openairdocs.org/model/boeing-ch-47d) (registry code 138160A, 44 seats)
- Engine: [Honeywell T55-GA-714A](https://openairdocs.org/engine/honeywell-t55-ga-714a) (registry code 33886)
- Data sheets: [TCDS R00051SE](https://openairdocs.org/tcds/R00051SE) (Columbia Helicopters Inc.) (OpenAirDocs)
- Serial number: 91-0270
- Year built: 1991
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Restricted, agriculture and pest control, forest, other
- Airworthiness date: September 20, 2020
- Certificate issued: December 7, 2020
- Expires: December 31, 2027
- Mode S code: A4F98B
- Registered owner: [Uc Helitanker 1 LLC](https://openairdocs.org/faa-owner/UC%20HELITANKER%201%20LLC)
- Location: [Arcadia, CA](https://openairdocs.org/faa-place/CA/Arcadia)
- Owner type: LLC
- Owner's area on the map: 34.1352° N, 118.0267° W: Placed by OpenAirDocs at the center of ZIP code 91006, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=42CU
- Page: https://openairdocs.org/aircraft/N42CU

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): 4 in force

### Matched by airframe (Boeing CH-47D)

- [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 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [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.

### Historical (superseded or no longer in force)

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N42CU.

## FAA accident and incident reports

None matched to N42CU.

## Reports on N42CU not matched to an aircraft (1)

They name N42CU, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19910701028019I](https://openairdocs.org/incident/19910701028019I), Jul 1, 1991: Amtraa JUNIORACE (N42CU), Murphy, NC. Pilot unable to climb over mountains due to decreasing visibility. Elected to land in field.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (5)

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 (Boeing CH-47D)

- [STC SR02510SE](https://openairdocs.org/stc/SR02510SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR04590CH](https://openairdocs.org/stc/SR04590CH): Installation of a Helitak FT11K Liquid Dispensing System. Helitak USA, LLC
- [STC SR02599SE](https://openairdocs.org/stc/SR02599SE): Installation of a Kawak Aviation Technologies Model 41300 auxiliary hydraulic system. Kawak Aviation Technologies, Inc
- [STC SR12015SE](https://openairdocs.org/stc/SR12015SE): Installation of Green Power Monitoring Systems International, Inc. (GPMS) Foresight MX Flight Data Monitoring System (FDMS). GPMS International Inc
- [STC SR02466SE](https://openairdocs.org/stc/SR02466SE): Installation of the Simplex Model 347 aerial dispensing of liquids system. Simplex Manufacturing Company

## Earlier aircraft with N42CU

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N42CU before.

- [Cancelled 2011-12-29](https://openairdocs.org/deregistered/N42CU-2011-12-29): Cirrus Design SR20, S/N 2108, built 2011. Exported to China. Owner: [Cirrus Design Corp](https://openairdocs.org/faa-owner/CIRRUS%20DESIGN%20CORP), [Hermantown, MN](https://openairdocs.org/faa-place/MN/Hermantown)

## Related

- Other Boeing CH-47D aircraft: https://openairdocs.org/model/boeing-ch-47d/aircraft.md
- The Honeywell T55-GA-714A engine: https://openairdocs.org/engine/honeywell-t55-ga-714a.md

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