The U.S. aircraft register, updated daily
Models · Let · Gliders · data as of October 26, 2026

Let L-13

11 on the U.S. register across 2 versions the FAA records separately. Built from 1966 to 2004; half of them date from 1998 or earlier. Florida has the most (2). 45% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

Let L-13: Two-seater trainer glider
Photo CC-BY-2.5, via Wikimedia Commons · LET L-13 Blaník on Wikipedia

About the L-13 from the FAA's model table

Type
Glider · Gliders
Power
None
Common engines
None None (9), Ama/Expr Unknown Eng (1)
Seats
2
Built of
aluminium · An all-metal glider.
Maker on the register
Let
Registered
earliest certificate August 31, 2006; newest September 12, 2026

Who owns them registrant type

By owner type, as a table
aircraftshare
Individual436%
Corporation436%
Co-owned218%
LLC19%

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
L13 AC BLANIK71966 to 200463.6%
L-13 BLANIK41969 to 197436.4%

When they were built by decade · 2 with no year on file

By decade built, as a table
aircraft
19602
19702
19901
20004

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20121
20161
20192
20231
20241
20251
20261

Registration status

By status, as a table
aircraftshare
Valid1091%
Sale reported19%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Standard982%
None on file19%
Experimental19%

Biggest operators companies, schools and clubs

Stefenelli Aviation N-Tr INC Trustee1Red Wing Soaring Association1North Florida Soaring Society INC1N109Ua LLC1Heritage Flight Foundation1
Largest fleets, as a table
aircraft
Stefenelli Aviation N-Tr INC Trustee1
Red Wing Soaring Association1
North Florida Soaring Society INC1
N109Ua LLC1
Heritage Flight Foundation1

Fleet pages: Stefenelli Aviation N-Tr INC Trustee · North Florida Soaring Society INC

Accident history NTSB records · 2 cases since 1982, 0 fatal

2006-03-05MIA06CA060 · L13 AC Blanik N4413 · accident near Zephyrhills, FL · minor injuries
2003-08-16CHI03LA328 · L-13 Blanik N302SL · accident near Highland, IL · no injuries

The 2 most recent of 2 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.

Questions people ask answers refresh every morning

How many Let L-13 aircraft are registered in the U.S.?

11 as of October 26, 2026, counting 2 versions the FAA records separately.

Which state has the most Let L-13s?

Florida, with 2.

Who owns the Let L-13?

45% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.

When were the Let L-13s on the register built?

Between 1966 and 2004; half of them in 1998 or earlier.

How many Let L-13 accidents has the NTSB recorded?

2 accidents and incidents since 1982, 0 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.

What is the Let L-13 made of?

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. An all-metal glider. The FAA's type certificate data sheet is the authority for any one model.

What the FAA has certified, ordered and been told about the Let L-13 the component layer

The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. An all-metal glider. No FAA order in the current files names this model. Operators and repair shops have filed 13 failure reports with the FAA since 1996, 11 of them in the last ten years: about 16.7 a year for every 100 aircraft on the register; the system most often named is flight controls. 6 approved modifications exist for it, the most by Poly-Fiber INC..

Failure reports 13 since 1996 · what operators and shops told the FAA

01234296202203104405106110
Failure reports by year, as a table
reports
962
022
032
041
054
061
101

By system

Failure reports by system, as a table
reportsshare
Flight controls754%
Airframe structure538%
Landing gear18%

Parts most often reported as the reports name them

Parts most reported, as a table
reports
Control Cable4
Frame2
Cables1
Control Bridge1
Hinge1
Leg Assy1
Longeron1
Ring1
Skin Panel1

Latest reports

2010-10-27Hinge: bent · airframe structure
2006-05-02Longeron: cracked · airframe structure
2005-06-21Control Cable: frayed · flight controls
2005-06-21Control Cable: frayed · flight controls
2005-06-21Control Cable: frayed · flight controls

Approved modifications 6 supplemental type certificates

Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:

Latest

2003-05-27SA1008WE · Installation of Poly-Fiber covering material.
2002-07-09SG01164CH · Install Cooper superflite 102 fabric.
1992-05-22SA1736GL · Install Cooper superflite 102 fabric.
1988-04-08SG4309NM · Recover the flaps using large flange Pop Rivets (AD42ASLF) instead of wire lacing to secure the...
1976-04-02SG228NW · Installation of an EZ 1-16 Blanik tail-wheel assembly.

Certificates and bulletins

Safety bulletins 1 · advice, not orders

2004-03-30CE-04-59 ·

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how the L-13 links to the rest of the register

Design
Where they are
Biggest operators
Record
Airworthiness

The whole map of how records connect · these connections as data: /graph/model/let/l-13.json.

Aircraft newest certificates first · 11

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N422BA Let
L13 AC BLANIK
Individual owner
Colorado
Standard 2026-09-12 ValidFAA registration status code V: Valid registration. All codes
N109UA Let
L-13 BLANIK
N109Ua LLC
Havana, Florida
Standard 2025-06-19 ValidFAA registration status code V: Valid registration. All codes
N135BS Let
L-13 BLANIK
Individual owner
Pennsylvania
None on file 2024-02-20 ValidFAA registration status code V: Valid registration. All codes
N457BA Let
L13 AC BLANIK
North Florida Soaring Society INC
Jacksonville, Florida
Standard 2023-07-10 ValidFAA registration status code V: Valid registration. All codes
N336BA Let
L13 AC BLANIK
Heritage Flight Foundation
Pawcatuck, Connecticut
Standard 2019-12-30 ValidFAA registration status code V: Valid registration. All codes
N374BA Let
L13 AC BLANIK
Individual owner
Wyoming
Standard 2019-06-27 ValidFAA registration status code V: Valid registration. All codes
N68ST Let
L-13 BLANIK
Stefenelli Aviation N-Tr INC Trustee
Attersee,
Standard 2016-11-03 ValidFAA registration status code V: Valid registration. All codes
N668DJ Let
L13 AC BLANIK
Co-owned owner
Nevada
Experimental 2012-03-07 ValidFAA registration status code V: Valid registration. All codes
N1974C Let
L-13 BLANIK
Red Wing Soaring Association
Osceola, Wisconsin
Standard 2007-06-13 ValidFAA registration status code V: Valid registration. All codes
N322BA Let
L13 AC BLANIK
Co-owned owner
Michigan
Standard 2006-08-31 ValidFAA registration status code V: Valid registration. All codes
N423BA Let
L13 AC BLANIK
Individual owner
Colorado
Standard Sale reportedFAA registration status code 7. All codes