# N111Q: 1943 Boeing A75N1(PT17), registration cancelled 2009-06-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 25, 2009
- Status when cancelled: Registration revoked
- Airframe: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS A-743](https://openairdocs.org/tcds/A-743) (OpenAirDocs)
- Serial number: 75-4846
- Year built: 1943
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Certificate issued: June 24, 1974
- Last registry action: January 14, 1977
- Mode S code: A03148
- Owner when cancelled: [Babcock Rudolph G](https://openairdocs.org/faa-owner/BABCOCK%20RUDOLPH%20G)
- Location: [Delavan, WI](https://openairdocs.org/faa-place/WI/Delavan)
- Owner type: Individual
- Owner's area on the map: 42.6566° N, 88.6683° W: Placed by OpenAirDocs at the center of ZIP code 53115, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N111Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=111Q
- Page: https://openairdocs.org/deregistered/N111Q-2009-06-25

From the FAA registry file of October 31, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Boeing A75N1(PT17): https://openairdocs.org/model/boeing-a75n1-pt17.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI74FEP49](https://openairdocs.org/ntsb/CHI74FEP49), Jun 13, 1974: Boeing A75N1 (N111Q), Lone Rock, WI, substantial damage

## 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.

- [Accident 19740613017879A](https://openairdocs.org/incident/19740613017879A), Jun 13, 1974: Boeing A75N1 (N111Q), Lone Rock, WI, Substantial damage. Brake lining saturated with brake fluid.

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