Type Record · As of May 3, 2026
BURKHART GROB G 103 TWIN II
Glider · NONE NONE
Registered
30
Year Range
1980–1984
NTSB Events
19
Airworthiness Directives
0
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered BURKHART GROB G 103 TWIN II aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- CA 23.3% 7
- PA 16.7% 5
- NY 6.7% 2
- MI 6.7% 2
- FL 6.7% 2
- AZ 6.7% 2
- TX 6.7% 2
- SD 3.3% 1
- NJ 3.3% 1
- UT 3.3% 1
+5 more states
By Decade of Manufacture
- 1980s 70.0% 21
- Unknown 30.0% 9
02 / NTSB Records
Events involving BURKHART GROB G 103 TWIN II aircraft
19 event(s) on file. Showing the most recent 19.
-
Jul 25, 2021
N4446YLevan, Utah Minor
NTSB Docket → -
Aug 22, 2019
N901BGSan Antonio, Texas
NTSB Docket → -
Dec 7, 2013
N3981CBryon, California
NTSB Docket → -
Jun 19, 2009
N5462NWellington, Colorado
NTSB Docket → -
Dec 3, 2005
N4601MLlano, California
NTSB Docket → -
Jul 16, 2001
N4805RMinden, Nevada
NTSB Docket → -
Jul 12, 2001
N140BGIonia, Michigan
NTSB Docket → -
Aug 23, 1999
N8013KLLANO, California
NTSB Docket → -
Oct 24, 1998
N4446TSARATOGA SPRING, New York
NTSB Docket → -
Jun 29, 1997
N18AGJACUMBA, California Minor
NTSB Docket → -
Mar 22, 1997
N54553LANCASTER, South Carolina Minor
NTSB Docket → -
Dec 11, 1994
N3950ATEHACHAPI, California
NTSB Docket → -
Jun 4, 1994
N5462NWELLINGTON, Colorado
NTSB Docket → -
May 20, 1994
N140BGIONIA, Michigan
NTSB Docket → -
Aug 9, 1992
N103FBTRUCKEE, California Serious
NTSB Docket → -
May 10, 1992
N140BGIONIA, Michigan
NTSB Docket → -
Jul 17, 1991
N5448XMARION, Ohio
NTSB Docket → -
Jan 21, 1990
N8013KPARLIER, California Serious
NTSB Docket → -
Nov 27, 1983
N62BGCALIFORNIA CITY, California Serious
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to BURKHART GROB G 103 TWIN II
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for BURKHART GROB G 103 TWIN II
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- G57EU Historical Rev 3 · 08/08/2014
Fiberglas-Technik Rudolf Lindner GmbH & Co. KG
Models: G 103 C Twin III SL
06 / Supplemental Type Certificates
Modifications approved for BURKHART GROB G 103 TWIN II
26 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
11/22/2024
STC SA04378CH
Installation of an engine modified per STC SE04349CH
SureFly Partners Ltd.
-
08/21/2024
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
06/18/2024
STC SA04568CH
Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder func…
uAvionix Corporation
-
02/02/2024
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc.
-
07/19/2023
STC SA04378CH
Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…
SureFly Partners Ltd.
-
01/10/2023
STC SA04378CH
Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…
SureFly Partners Ltd
-
07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
03/30/2022
STC SA04568CH
Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder func…
uAvionix Corporation
-
06/14/2021
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc
-
10/19/2020
STC SA001410BO
Entered in Error - See SA00410BO
uAvionix Corporation
-
10/07/2020
STC SA04378CH
Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…
SureFly Partners Ltd
-
08/31/2020
STC SA00410BO
Installation of an AV-30-C Multi-Mode Indicator
uAvionix Corporation
-
08/31/2020
STC SA001410BO
Installation of an AV-30-C Multi-Mode Indicator
uAvionix Corporation
-
07/27/2020
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
06/04/2020
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
-
01/13/2020
STC SA02658SE (1 OF 2)
Installation of Garmin GI 275 Multi-Function Display System
Garmin International Inc
-
12/05/2019
STC SA04378CH
Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…
SureFly Partners Ltd
-
07/25/2019
STC SA02636SE
Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder.
Garmin International Inc
-
02/15/2019
STC SA04378CH
Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…
SureFly Partners Ltd
-
02/11/2019
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
ADI LLC
-
12/20/2017
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
-
01/24/2017
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
05/20/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
03/09/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Petersen Aviation Inc
-
10/28/2015
STC SA01757WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
08/28/2011
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for BURKHART GROB G 103 TWIN II
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 30 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N103FB | CA | 1984 | ● | Look up ↗ |
| N103PR | CA | 1984 | · | Look up ↗ |
| N103TG | NY | 1983 | · | Look up ↗ |
| N103XS | SD | 1982 | · | Look up ↗ |
| N139BG | PA | 1984 | · | Look up ↗ |
| N140BG | MI | — | ● | Look up ↗ |
| N18AG | NJ | 1982 | ● | Look up ↗ |
| N3950A | CA | 1983 | ● | Look up ↗ |
| N3981C | CA | 1983 | ● | Look up ↗ |
| N4222W | FL | 1983 | · | Look up ↗ |
| N4446T | PA | 1983 | ● | Look up ↗ |
| N4446Y | UT | 1983 | ● | Look up ↗ |
| N45748 | IN | — | · | Look up ↗ |
| N4601M | CA | — | ● | Look up ↗ |
| N4793N | AZ | 1984 | · | Look up ↗ |
| N4794E | TX | 1984 | · | Look up ↗ |
| N4805R | CA | 1984 | ● | Look up ↗ |
| N5448W | AZ | — | · | Look up ↗ |
| N5448X | OH | — | ● | Look up ↗ |
| N54553 | PA | — | ● | Look up ↗ |
| N5462N | CO | — | ● | Look up ↗ |
| N5QD | PA | 1983 | · | Look up ↗ |
| N62BG | OK | 1981 | ● | Look up ↗ |
| N705MS | MI | 1981 | · | Look up ↗ |
| N793MZ | FL | — | · | Look up ↗ |
| N8013K | MT | 1982 | ● | Look up ↗ |
| N808X | CA | — | · | Look up ↗ |
| N898AS | NY | 1980 | · | Look up ↗ |
| N901BG | TX | 1981 | ● | Look up ↗ |
| N907BG | PA | 1981 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →