# N4851X: 1974 Rockwell International S-2R, registration cancelled 2014-10-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 14, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 2037R
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: August 20, 1974
- Certificate issued: February 12, 1991
- Last registry action: February 17, 2009
- Mode S code: A5FDBD
- Owner when cancelled: [Herzog Edward E](https://openairdocs.org/faa-owner/HERZOG%20EDWARD%20E)
- Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage)
- Owner type: Individual
- Owner's area on the map: 61.0796° N, 149.7108° W: Placed by OpenAirDocs at the center of ZIP code 99516, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4851X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4851X
- Page: https://openairdocs.org/deregistered/N4851X-2014-10-14

From the FAA registry file of November 4, 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 Rockwell International S-2R: https://openairdocs.org/model/rockwell-international-s-2r.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 ANC91LA061](https://openairdocs.org/ntsb/ANC91LA061), May 25, 1991: Rockwell S-2R (N4851X), Larsen Bay, AK, destroyed, 1 fatal. Probable cause: THE PILOT'S DECISION TO CONTINUE VFR INTO IMC CONDITIONS AND FAILURE TO MAINTAIN PROPER ALTITUDE. CONTRIBUTING TO THE ACCIDENT WAS THE LOW CEILING AND FOG.

## 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 19910524017099A](https://openairdocs.org/incident/19910524017099A), May 24, 1991: Ayres S2RNORMAL (N4851X), Larsen Bay, AK, Destroyed, 1 fatal. Found wreckage of missing aircraft in 185 feet deep water offshore in bay. Near zero impact. Unable to recover.

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