The U.S. aircraft register, updated daily

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Registered aircraft · FAA record as of October 23, 2026
N77UK

Alexander Schleicher ASH 31 MI

ValidFAA registration status code V: Valid registration. All codesElectric gliderCalifornia

N77UK is an Alexander Schleicher ASH 31 MI, a glider with a rotary engine, built in 2013. It has 1 seat. It is registered to an individual in San Pedro, California. The registration is valid: it was issued on June 25, 2013 and expires on June 30, 2029. It holds an experimental airworthiness certificate for racing, dated July 2, 2013.

Alexander Schleicher: AS 33 ME

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Flight history: where it flew in the last seven days · follow it on the live map

Aircraft

Maker
Alexander Schleicher (Germany)
FAA spelling: ALEXANDER SCHLEICHER GMBH & CO
Model
ASH 31 MI · all ASH 31 MIs and related versions
Built of
composite
The airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. A glass- and carbon-fibre glider. This is how the Alexander Schleicher ASH 31 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
Serial number
31088
Type
GliderFAA type of aircraft code 1 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
Power
RotaryFAA type of engine code 11 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Diamond AE50R · 50 hp
Seats
1
Year built
2013
Transponder code
AA687A (octal 52464172)

Registration

Status
Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
Certificate issued
June 25, 2013
Expires
June 30, 2029
Last FAA action
August 11, 2023
Airworthiness
ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · RacingFAA certificate purpose code 4 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · July 2, 2013
FAA region
Western-PacificFAA region code 4 (the FAA regional office that handles the record). All codes
FAA record id
01127217

Owner as the FAA publishes it

Name
Cumming Duncan
Type
IndividualFAA type of owner code 1 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
Address
2275 W 25Th St Spc 40
San Pedro, CA 90732-5342

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Earlier use of this number 1

2003-02-10Cooper John C AIR COMMAND ELITE · Non-citizen corporation that has not returned its flight-hour reports

Connections how N77UK links to the rest of the register

Design
Engine
Place
  • San Pedro, CA 38 aircraft registered in this town
  • California 27,610 aircraft registered

The whole map of how records connect · these connections as data: /graph/aircraft/N77UK.json.

Records check free · 2 to understand · 3 clear

The public federal record on N77UK, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.

CLEARRegistration and identity

Valid registration to Cumming Duncan, an individual, certificate issued June 25, 2013, expires June 30, 2029. No fractional interest recorded. [1]

CLEARAirworthiness certificate

Experimental certificate for racing, dated July 2, 2013, consistent with the 2013 manufacture year. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial 31088 for this model in the deregistered file. [2]

ATTENTIONTail number reuse

N77UK was previously assigned to 1 other aircraft: Cooper John C AIR COMMAND ELITE (serial 9281, cancelled February 10, 2003). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]

NOTERecent registry documents

No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]

ATTENTIONAccident and incident record

1 NTSB record under N77UK: Accident on April 13, 2026 at Williams, CA: minor injuries, substantial damage. Details below. [4]

PENDINGTitle chain, liens and 337 forms

These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

NTSB records 1

WPR26LA158Accident on April 13, 2026 at Williams, CA: minor injuries, substantial damage.

Aircraft on the NTSB record: Alexander Schleicher GMBH & CO ASH 31 MI · operated under 091

On April 13, 2026, about 1051 Pacific standard time, an experimental Alexander Schleicher GMBH and Co., Ash 31 Mi Glider, N77UK, was substantially damaged when it was involved in an accident near Williams, California. The pilot sustained minor injuries. The glider was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. The pilot reported that he departed from Williams Gliderport (CN12), Williams, California, in the self-launching motorglider. During climbout, about 200 ft above ground level, the engine lost power. The pilot verified that the emergency fuel pump was on …

Full record in plain English · Docket and reports at the NTSB

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of October 23, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
  4. NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search

This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 23, 2026. See this record on the FAA site · This record as data