# N979AS: Let L-23 SUPER BLANIK

- Status: Valid registration
- Airframe: [Let L-23 SUPER BLANIK](https://openairdocs.org/model/let-l-23-super-blanik) (registry code 1360308, 2 seats)
- Data sheets: [TCDS G60EU](https://openairdocs.org/tcds/G60EU) (Blanik Aircraft CZ s.r.o.) (OpenAirDocs)
- Serial number: 948126
- Type: Glider
- Engine type: None
- Certificate issued: December 22, 2023
- Expires: December 31, 2030
- Mode S code: ADA525
- Registered owner: [Steamboat Springs Soaring Association Inc](https://openairdocs.org/faa-owner/STEAMBOAT%20SPRINGS%20SOARING%20ASSOCIATION%20INC)
- Location: [Steamboat Springs, CO](https://openairdocs.org/faa-place/CO/Steamboat%20Springs)
- Owner type: Corporation
- Owner's area on the map: 40.5814° N, 106.8860° W: Placed by OpenAirDocs at the center of ZIP code 80487, within about 16 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=979AS
- Page: https://openairdocs.org/aircraft/N979AS

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 5 in force

### Matched by airframe (Let L-23 SUPER BLANIK)

- [AD 2020-16-05](https://openairdocs.org/ad/2020-16-05): Rudder Control System · Blanik Aircraft CZ s.r.o. L 23 Super - Blanik. Effective Aug 28, 2020
- [AD 2011-02-08](https://openairdocs.org/ad/2011-02-08): Stabilizers. · BLANIK L 23 Super - Blanik. Effective Feb 14, 2011
- [AD 2010-15-05](https://openairdocs.org/ad/2010-15-05): Stabilizers · BLANIK L 23 Super - Blanik. Effective Aug 30, 2010
- [AD 2008-26-12](https://openairdocs.org/ad/2008-26-12): Control bridge · BLANIK L 23 Super - Blanik. Effective Jan 28, 2009
- [AD 2004-25-17](https://openairdocs.org/ad/2004-25-17): Elevator rocker lever (part number A 730 201 N) · BLANIK L 23 Super - Blanik. Effective Jan 28, 2005

### Historical (superseded or no longer in force)

- [AD 2010-08-01](https://openairdocs.org/ad/2010-08-01) (historical): Stabilizers · Aircraft Industries a.s. L 23 Super - Blanik. Effective Apr 26, 2010

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N979AS.

## NTSB investigations on N979AS not matched to an aircraft (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 SEA06LA033](https://openairdocs.org/ntsb/SEA06LA033), Dec 27, 2005: McDonnell Douglas MD-83 (N979AS), Seattle, WA, substantial damage. Probable cause: The ground personnel baggage handler failed to maintain clearance from the aircraft with cargo handling equipment during ground operations and inadvertently damaged the airplane's pressure bulkhead…

## FAA accident and incident reports

None matched to N979AS.

## Reports on N979AS not matched to an aircraft (1)

They name N979AS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 20051226030609A](https://openairdocs.org/incident/20051226030609A), Dec 26, 2005: Doug MD83 (N979AS), Seattle, WA, Substantial damage. (-23) Asaa flight 536 departed sea/tac enroute to burbank. Approximately 1625 PDT at FL 260 the flight crew experienced a loud bang followed by a rapid cabin…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## Service difficulty reports on N979AS not matched to an aircraft (133, newest 50)

They name N979AS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR ASAA0681178](https://openairdocs.org/sdr/ASAA0681178), Nov 6, 2006: SKIN. PUNCTURED. LEFT WING INBOARD FLAP VANE IS PUNCTURED. REPLACED DAMAGED SKIN SECTION AND INSTALLED REPAIR FILLER AND DOUBLER PER SRM 57 03.
- [SDR ASAA0681177](https://openairdocs.org/sdr/ASAA0681177), Nov 6, 2006: SKIN. CHAFED. VERTICAL STABILIZER LEFT SIDE SKIN IS CHAFED AT AFT END OF HORIZONTAL STABILIZER LOWER FAIRING. REPLACED DAMAGED SKIN PANEL PER SRM 51 10 4 AND 51 30 2.
- [SDR ASAA0681176](https://openairdocs.org/sdr/ASAA0681176), Nov 6, 2006: SKIN. CHAFED. VERTICAL STABILIZER RIGHT SIDE SKIN CHAFED AT AFT END OF HORIZONTAL STABILIZER LOWER FAIRING. REPLACED DAMAGED SKIN PANEL PER SRM 51 10 4 AND 51 30 2.
- [SDR ASAA0681175](https://openairdocs.org/sdr/ASAA0681175), Nov 6, 2006: SEAT TRACK. CORRODED. FOUND CABIN FLOOR TRACK IS CORRODED. REPLACED TRACK PER SRM 51 10 4 51 10 3 51 30 2 AND 51 30 5.
- [SDR ASAA0681152](https://openairdocs.org/sdr/ASAA0681152), Oct 30, 2006: LONGERON. CORRODED. FOUND LONGERON 23L IS CORRODED ON UPPER FLANGE. BLENDED FLANGE TO REMOVE CORROSION AND INSTALLED REPAIR STRAP PER SRM 53 02.
- [SDR ASAA0681151](https://openairdocs.org/sdr/ASAA0681151), Oct 30, 2006: TAB. NICKED. RIGHT AILERON CONTROL TAB IS NICKED ON T E. REPAIRED WITH FILLER COMPOUND AND SANDED TO ORIGINAL CONTOUR PER SRM 51 70 1A.
- [SDR ASAA0681150](https://openairdocs.org/sdr/ASAA0681150), Oct 30, 2006: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL DELAMINATED ALONG EDGES. REPLACED FLOOR PANEL PER SRM 53 05 DWG 9936692 AND MM 53 20 01.
- [SDR ASAA0681149](https://openairdocs.org/sdr/ASAA0681149), Oct 30, 2006: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL IS DELAMINATED. REPLACED FLOOR PANEL PER SRM 53 05 DWG 9951788 AND MM 53 24 01.
- [SDR ASAA0681148](https://openairdocs.org/sdr/ASAA0681148), Oct 30, 2006: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL IS DELAMINATED ALONG EDGES. REPLACE FLOOR PANEL PER SRM 53 05 DWG 9951788 AND MM 53 24 01.
- [SDR ASAA0681147](https://openairdocs.org/sdr/ASAA0681147), Oct 30, 2006: FLOOR PANEL. CORRODED. CABIN FLOOR PANEL IS CORRODED. REPLACED FLOOR PANEL PER SRM 53 05 DWG 9951788 AND MM 53 20 01.
- [SDR ASAA0681146](https://openairdocs.org/sdr/ASAA0681146), Oct 30, 2006: FLOOR PANEL. CORRODED. CABIN FLOOR PANEL IS CORRODED AND HAS MISSING INSERTS. REPLACED DAMAGED FLOOR PANEL PER SRM 53 05 DWG 9951788 AND MM 53 20 01.
- [SDR ASAA0681145](https://openairdocs.org/sdr/ASAA0681145), Oct 30, 2006: FLOOR PANEL. CORRODED. CABIN FLOOR PANEL CORRODED WITH SOME BROKEN INSERTS. REPLACED FLOOR PANEL PER SRM 53 05 DWG 9951788 AND MM 53 24 01.
- [SDR ASAA0681144](https://openairdocs.org/sdr/ASAA0681144), Oct 30, 2006: SEAT TRACK. CORRODED. FOUND CABIN SEAT TRACK CORRODED. REPLACED DAMAGED TRACK SECTION AND INSTALLED REPAIR SPLICE PER SRM 53 05.
- [SDR ASAA0681143](https://openairdocs.org/sdr/ASAA0681143), Oct 30, 2006: SEAT TRACK. CORRODED. FOUND CABIN SEAT TRACK IS CORRODED. REPLACED DAMAGED TRACK SECTION AND REPAIR SPLICE PER SRM 53 05.
- [SDR ASAA0681142](https://openairdocs.org/sdr/ASAA0681142), Oct 26, 2006: SKIN. DENTED. FUSELAGE DENTED. COLD FORMED SKIN TO ORIGINAL CONTOUR. INSTALLED INTERNAL REPAIR DOUBLER PER SRM 53 04.
- [SDR ASAA0681141](https://openairdocs.org/sdr/ASAA0681141), Oct 26, 2006: GUSSET. CORRODED. AFT CARGO BAY GUSSET CORRODED BETWEEN LONGERONS. REPLACED DAMAGED GUSSET PER SRM 51 10 4 51 10 3 51 30 5 AND DWG 5936071.
- [SDR ASAA0681125](https://openairdocs.org/sdr/ASAA0681125), Oct 22, 2006: COFFEEMAKER. DEFECTIVE. AFT GALLEY COFFEEMAKER BEGAN TO SMOKE DURING FLIGHT. PERFORMED AIR TURNBACK. REMOVED DEFECTIVE COFFEEMAKER.
- [SDR ASAA0680416](https://openairdocs.org/sdr/ASAA0680416), Apr 9, 2006: LANYARD. MISRIGGED. TAILCONE EXIT EMERGENCY SLIDE COVER LANYARD RING ASSEMBLY WAS FOUND TO HAVE ONE LANYARD INCORRECTLY ATTACHED TO THE COMMON RING. REPLACED THE MIS ASSEMBLED LANY
- [SDR ASAA0580559](https://openairdocs.org/sdr/ASAA0580559), Dec 26, 2005: HINGE. FAILED. CLIMB AT FL260, ENROUTE, FWD FLIGHT ATTENDANT OXYGEN MASK DID NOT DROP DURING CABIN DECOMPRESSION CAUSED BY FUSELAGE SKIN PUNCTURE. DETERMINED THE THE O2 MASK D
- [SDR ASAA0580558](https://openairdocs.org/sdr/ASAA0580558), Dec 26, 2005: SKIN. PUNCTURED. CLIMB, ENROUTE, CABIN DECOMPRESSED RAPIDLY AND UNCONTROLLABLE. ALL OXYGEN MASKS, SAME FOR ONE (TO BE REPORTED UNDER SEPARATE SDR), DROPPED PROPERLY. AN EMERGENC
- [SDR ASAA0580358](https://openairdocs.org/sdr/ASAA0580358), Jun 28, 2005: WINDOW. DISENGAGED. PREFLIGHT CHECK, FOUND COCKPIT LEFT SLIDING WINDOW COULD NOT BE OPENED. REPOSITIONED FORWARD UPPER LATCH PIN IN CHANNEL TRACK. WINDOW THEN OPERATED PROPERLY. (M
- [SDR ASAA0580359](https://openairdocs.org/sdr/ASAA0580359), Jun 28, 2005: WINDOW. DISENGAGED. PREFLIGHT CHECK, FOUND COCKPIT LEFT SLIDING WINDOW COULD NOT BE OPENED, 2ND OCCURRENCE ON SAME DAY AND 4TH OCCURRENCE IN LAST THREE DAYS. REPOSITIONED FORWARD U
- [SDR ASAA0580357](https://openairdocs.org/sdr/ASAA0580357), Jun 27, 2005: WINDOW. DISENGAGED. PREFLIGHT CHECK, FOUND COCKPIT LEFT SLIDING WINDOW COULD NOT BE OPENED. REPOSITIONED FORWARD UPPER LATCH PIN IN CHANNEL TRACK. WINDOW THEN OPERATED PROPERLY. (M
- [SDR ASAA0580356](https://openairdocs.org/sdr/ASAA0580356), Jun 26, 2005: WINDOW. DISENGAGED. PREFLIGHT CHECK, COCKPIT LEFT SLIDING WINDOW COULD NOT BE OPENED. REPOSITIONED FORWARD UPPER LATCH PIN IN CHANNEL TRACK. WINDOW THEN OPERATED PROPERLY. (M)
- [SDR ASAA0480533](https://openairdocs.org/sdr/ASAA0480533), Oct 11, 2004: LANYARD. DISCONNECTED. SJC, PRE-FLIGHT CHECK, AFT SERVICE (L-2) DOOR EMERGENCY SLIDE LANYARD WAS FOUND DISCONNECTED. RECONNECTED LANYARD.
- [SDR ASAA0480448](https://openairdocs.org/sdr/ASAA0480448), May 22, 2004: CLIP. CRACKED. OKC - DURING HV-CHECK, FOUND LOWER ATTACHMENT CLIP IS CRACKED AT FS 1463 AT RIGHT SIDE OF LONGERON 3. REPLACED CLIP PER SRM 51-10-2. (M)
- [SDR ASAA0480447](https://openairdocs.org/sdr/ASAA0480447), May 22, 2004: ANGLE. CRACKED. OKC - DURING HV CHECK, FOUND SUPPORT ANGLE IS CRACKED AT FS 1463 AT LONGERON 6R. REPLACED DAMAGED ANGLE PER SRM 51-10-4. (M)
- [SDR ASAA0480446](https://openairdocs.org/sdr/ASAA0480446), May 22, 2004: SKIN. GOUGED. OKC - DURING HV-CHECK, FOUND LEFT NR 0 SLAT INBOARD UPPER SKIN IS GOUGED AT AFT CORNER. REMOVED DAMAGED SECTION AND INSTALLED DOUBLER PER SRM 57-09. (M)
- [SDR ASAA0480444](https://openairdocs.org/sdr/ASAA0480444), May 22, 2004: SKIN. CRACKED. OKC - DURING HV CHECK, FOUND LEFT NR 2 SLAT LOWER SURFACE SKIN IS CRACKED. REPLACED SKIN PER SRM 51-30-8. (M)
- [SDR ASAA0480445](https://openairdocs.org/sdr/ASAA0480445), May 22, 2004: RIVET. SHEARED. OKC - DURING HV CHECK, REAR SERVICE R1 DOOR HAS SHEARED RIVET IN LOWER FORWARD SECTION. INSTALLED DOUBLER AND BUSHING PER EA 5200-01017. (M)
- [SDR ASAA0480451](https://openairdocs.org/sdr/ASAA0480451), May 22, 2004: VANE. NICKED. OKC - DURING HV-CHECK, FOUND RIGHT OUTBOARD FLAP INBOARD VANE IS NICKED AT LEADING EDGE. INSTALLED FILLER AND DOUBLER PER SRM 51-70-2. (M)
- [SDR ASAA0480450](https://openairdocs.org/sdr/ASAA0480450), May 22, 2004: FRAME. CORRODED. OKC - DURING HV-CHECK, FOUND FRAME IS CORRODED IN AFT CARGO BAY AT FS 1079 AT LONGERON 29R. REMOVED CORROSION AND APPLIED PROTECTIVE TREATMENT PER EA 5310-02365
- [SDR ASAA0480449](https://openairdocs.org/sdr/ASAA0480449), May 22, 2004: LONGERON. CORRODED. OKC - DURING HV-CHECK, FOUND LONGERON 28R CORRODED AROUND FASTENERS IN AFT CARGO BAY AT FS 1079. REMOVED CORROSION AND APPLIED PROTECTIVE TREATMENT PER EA 5310-
- [SDR ASAA0480432](https://openairdocs.org/sdr/ASAA0480432), May 17, 2004: ANGLE. CORRODED. OKC - DURING HV CHECK, FOUND AFT CARGO DOOR BOTTOM EDGE 'L' ANGLE IS GOUGED. REMOVED DAMAGED ANGLE AND INSTALLED NEW ANGLE IAW 51-30-5. (M)
- [SDR ASAA0480433](https://openairdocs.org/sdr/ASAA0480433), May 17, 2004: PANEL. CORRODED. OKC - DURING HV CHECK, FOUND RT WING FUEL PANEL 1462 HAS LIGHT SURFACE CORROSION. REMOVED DAMAGE AND REPLACED WITH NEW FUEL PANEL IAW 51-22-2A. (M)
- [SDR ASAA0480429](https://openairdocs.org/sdr/ASAA0480429), May 17, 2004: PANEL. CORRODED. DURING HV CHECK, FOUND FUEL PANEL NR 1478C HAS SURFACE CORROSION ON INSIDE FLANGE. REMOVED DAMAGE AND REPLACED FUEL PANEL IAW 51-22-2A. (M)
- [SDR ASAA0480430](https://openairdocs.org/sdr/ASAA0480430), May 17, 2004: FRAME. CORRODED. OKC - DURING HV CHECK, FOUND FRAME IN AFT CARGO PIT AT STATION 1287, LONGERON 29L-28R IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR FRAME SEGMENT IAW 53-03. 
- [SDR ASAA0480431](https://openairdocs.org/sdr/ASAA0480431), May 17, 2004: PANEL. CHAFED. DURING HV CHECK, FOUND RIGHT VERT STAB UNDER PANEL 3804A HAS CHAFED SURFACE. REMOVED DAMAGED SKIN PANEL AND INSTALLED NEW PANEL IAW 51-20-8. (M)
- [SDR ASAA0480423](https://openairdocs.org/sdr/ASAA0480423), May 17, 2004: SHEAR TIE. CORRODED. DURING HV CHECK, FOUND SHEAR TIE IN AFT PIT AT STATION 1287, LONGERON 29L TO 29R IS CORRODED. REMOVED DAMAGE AND INSTALLED FRAME REPAIR SPLICE IAW 53-03. (M)
- [SDR ASAA0480424](https://openairdocs.org/sdr/ASAA0480424), May 17, 2004: SHEAR TIE. CORRODED. OKC - DURING HV CHECK, FOUND SHEAR TIE IN AFT PIT AT STATION 1148, LONGERON 29L TO 28R IS CORRODED. REMOVED DAMAGE AND INSTALLED REPLACEMENT SHEAR TIE IAW 51-10
- [SDR ASAA0480425](https://openairdocs.org/sdr/ASAA0480425), May 17, 2004: STRAP. CORRODED. DURING HV CHECK, FOUND AFT PIT DOOR JAMB STRAP AT STATION 1168-1207 IS CORRODED. REMOVED DAMAGE AND INSTALLED REPLACEMENT STRAP IAW 51-10-2. (M)
- [SDR ASAA0480426](https://openairdocs.org/sdr/ASAA0480426), May 17, 2004: FRAME. CORRODED. OKC - DURING HV CHECK, FOUND FRAME IN AFT PIT AT STATION 1231, LONGERON 29L-29R IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR SPLICE IAW 53-03. (M)
- [SDR ASAA0480427](https://openairdocs.org/sdr/ASAA0480427), May 17, 2004: SEAT TRACK. CORRODED. OKC - DURING HV CHECK - FOUND SEAT TRACK AT STATION 200-237, RBL 22 IS CORRODED. REMOVED DAMAGE AND INSTALLED REPLACEMENT SECTION IAW 51-10-4. (M)
- [SDR ASAA0480428](https://openairdocs.org/sdr/ASAA0480428), May 17, 2004: WEDGE. GOUGED. DURING HV CHECK, FOUND RIG WING INBOARD FLAP, INBOARD WEDGE LOWER SURFACE IS GOUGED. REMOVED DAMAGE AND INSTALLED REPAIR DOUBLER IAW 57-03. (M)
- [SDR ASAA0480414](https://openairdocs.org/sdr/ASAA0480414), May 16, 2004: FLOOR PANEL. CORRODED. OKC - DURING HV CHECK, FOUND FORWARD CABIN FLOOR MEMBER AT STATION 200, RBL 8 - LBL 8 IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR SPLICE IAW 51-10-4. (M)
- [SDR ASAA0480415](https://openairdocs.org/sdr/ASAA0480415), May 16, 2004: CUSP WEB. CORRODED. OKC - DURING HV CHECK, FOUND CUSP WEB BETWEEN STATION 693-712 IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR DOUBLER IAW 51-70-4. (M)
- [SDR ASAA0480416](https://openairdocs.org/sdr/ASAA0480416), May 16, 2004: FLOOR PANEL. PUNCTURED. OKC - DURING HV CHECK, FOUND CABIN FLOOR PANEL BELOW FIRST OFFICERS SEAT IS PUNCTURED. REMOVED DAMAGED SKIN AND INSTALLED REPAIR DOUBLER IAW 53-01. (M)
- [SDR ASAA0480417](https://openairdocs.org/sdr/ASAA0480417), May 16, 2004: SEAT TRACK. CORRODED. OKC - DURING HV CHECK, FOUND CABIN SEAT TRACK AT STATION 200-237, RBL 44 IS CORRODED. REMOVED DAMAGED SECTION AND INSTALLED REPAIR SECTION IAW 53-05. (M)
- [SDR ASAA0480418](https://openairdocs.org/sdr/ASAA0480418), May 16, 2004: FLOOR PANEL. CORRODED. OKC - DURING HV-CHECK, FOUND FLOOR WEB AT STATION 200, RBL 22 IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR DOUBLER IAW 51-70-4. (M)
- [SDR ASAA0480419](https://openairdocs.org/sdr/ASAA0480419), May 16, 2004: CUSP WEB. CORRODED. DURING HV-CHECK, FOUND CUSP WEB PANEL AT STATION 674, L18 IS CORRODED. REMOVED DAMAGE AND INSTALLED REPAIR DOUBLER IAW 51-10-4. (M)

All 133: https://openairdocs.org/aircraft/N979AS/unmatched-reports.md

## STCs that may be installed (OpenAirDocs) (2)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Let L-23 SUPER BLANIK)

- [STC SG03715NY](https://openairdocs.org/stc/SG03715NY): Iunstallation and maintenance of Oratex 6000 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SG04702NY](https://openairdocs.org/stc/SG04702NY): Installation and maintenance of Oratex UL600 Covering and Coating System. Lanitz-Prena Folien Factory GmbH

## Related

- Other Let L-23 SUPER BLANIK aircraft: https://openairdocs.org/model/let-l-23-super-blanik/aircraft.md

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