# N440DF: 2001 Marsh S-2F3AT

- Status: Valid registration
- Airframe: [Marsh S-2F3AT](https://openairdocs.org/model/marsh-s-2f3at) (registry code 5420000, 5 seats)
- Engine: [Honeywell TPE331-14GR](https://openairdocs.org/engine/honeywell-tpe331-14gr) (registry code 33864)
- Data sheets: [TCDS T00009LA](https://openairdocs.org/tcds/T00009LA) (California Department of Forestry), [TCDS E18NE](https://openairdocs.org/tcds/E18NE) (Honeywell Aerospace US LLC) (OpenAirDocs)
- Serial number: 149873
- Year built: 2001
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Restricted, forest
- Airworthiness date: June 28, 2007
- Certificate issued: June 19, 2002
- Expires: July 31, 2027
- Mode S code: A54AEE
- Registered owners: [Usda Forest Service Fepp](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE%20FEPP), [California Dept Of Forestry And Fire Protection](https://openairdocs.org/faa-owner/CALIFORNIA%20DEPT%20OF%20FORESTRY%20AND%20FIRE%20PROTECTION)
- Location: [Mcclellan, CA](https://openairdocs.org/faa-place/CA/Mcclellan)
- Owner type: Government
- Owner's area on the map: 38.6626° N, 121.4008° W: Placed by OpenAirDocs at the center of ZIP code 95652, 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=440DF
- Page: https://openairdocs.org/aircraft/N440DF

From the FAA registry file of October 22, 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): 1 in force

### Matched by airframe (Marsh S-2F3AT)

None in force.

### Matched by engine (Honeywell TPE331-14GR)

- [AD 2011-18-51 R1](https://openairdocs.org/ad/2011-18-51-R1): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more. Effective Oct 19, 2011

### Historical (superseded or no longer in force)

- [AD 2011-18-51](https://openairdocs.org/ad/2011-18-51) (historical): Main shaft bearing · Honeywell International TPE331-1, TPE331-10, TPE331-10A and 82 more

## Information bulletins (advisory) (1 in force)

- [SAIB NE-16-18](https://openairdocs.org/saib/NE-16-18): Power Lever  Loss of Power Control. Issued Jul 11, 2016

## NTSB investigations

None matched to N440DF.

## 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 20200728011929I](https://openairdocs.org/incident/20200728011929I), Jul 28, 2020: Marsh Aviation S-2F3AT (N440DF), Fortuna, CA, Minor damage. Aircraft was landing at Fortuna airport, landed short where right gear hit the end of the cement runway, gear broke and collapsed. Aircraft skidded to stop…

## 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) (1)

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 (Marsh S-2F3AT)

- [STC ST01159LA](https://openairdocs.org/stc/ST01159LA): Installation of a nose wheel. Marsh Aviation Company

## Earlier aircraft with N440DF

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N440DF before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N440DF-undated): Grumman S2F-1, S/N 481

## Related

- Other Marsh S-2F3AT aircraft: https://openairdocs.org/model/marsh-s-2f3at/aircraft.md
- The Honeywell TPE331-14GR engine: https://openairdocs.org/engine/honeywell-tpe331-14gr.md

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