# N20739: Mikoyan Gurevich MIG 21 UM, registration cancelled 2016-01-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 22, 2016
- Status when cancelled: Second renewal notice
- Airframe: [Mikoyan Gurevich MIG 21 UM](https://openairdocs.org/model/mikoyan-gurevich-mig-21-um) (registry code 056037S)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 3171
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, exhibition
- Airworthiness date: July 13, 2004
- Certificate issued: February 20, 2013
- Last registry action: February 20, 2013
- Mode S code: A1AEE7
- Owner when cancelled: [Migs Of Delaware LLC](https://openairdocs.org/faa-owner/MIGS%20OF%20DELAWARE%20LLC)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7567° N, 75.5010° W: Placed by OpenAirDocs at the center of ZIP code 19809, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N20739
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=20739
- Page: https://openairdocs.org/deregistered/N20739-2016-01-22

From the FAA registry file of October 29, 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 Mikoyan Gurevich MIG 21 UM: https://openairdocs.org/model/mikoyan-gurevich-mig-21-um.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 WPR14LA040](https://openairdocs.org/ntsb/WPR14LA040), Nov 1, 2013: Mikoyan Gurevich MIG 21 UM (N20739), Reno, NV, substantial damage. Probable cause: The loss of brake control due to the fracture of the front brake pawl engagement spring, which resulted in a runway overrun.

## 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 20131101022729A](https://openairdocs.org/incident/20131101022729A), Nov 1, 2013: Mikoyan Gurevich MIG 21 UM (N20739), Reno, NV, Substantial damage. During rollout after landing on runway 14, the brakes failed to actuate on the second application. The aircraft proceeded 1000 feet off the end of the runway,…

## Other aircraft with N20739

- [Cancelled 1981-12-21](https://openairdocs.org/deregistered/N20739-1981-12-21): Cessna 172M, S/N 17263824, built 1974. Owner: [Atlantic Aviation Underwriters Inc](https://openairdocs.org/faa-owner/ATLANTIC%20AVIATION%20UNDERWRITERS%20INC), [Elizabeth City, NC](https://openairdocs.org/faa-place/NC/Elizabeth%20City)

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