Type Record · As of May 3, 2026
LOCKHEED ELECTRA 10-A
Fixed Wing Multi Engine · P&W R-985 SERIES
Registered
2
Year Range
1935–1937
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered LOCKHEED ELECTRA 10-A aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- OK 50.0% 1
- MN 50.0% 1
By Decade of Manufacture
- 1930s 100.0% 2
02 / NTSB Records
Events involving LOCKHEED ELECTRA 10-A aircraft
No NTSB-recorded events match LOCKHEED ELECTRA 10-A in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to LOCKHEED ELECTRA 10-A
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for LOCKHEED ELECTRA 10-A
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 3 matches in the FAA catalog.
- TC 551 Current Rev 0 ·
Lockheed Aircraft Corporation
Models: Electra 10-A (Army UC-36A; Navy R-20; and XR-20-1)
- TC 584 Current Rev 0 ·
Lockheed Aircraft Corporation
Models: Electra 10-B (Navy R-30-1)
- TC 590 Current Rev 1 · 06/15/2012
Lockheed Martin Aeronautics Company
Models: Electra 10-E
06 / Supplemental Type Certificates
Modifications approved for LOCKHEED ELECTRA 10-A
24 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
08/21/2024
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
07/27/2020
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
02/11/2019
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
ADI LLC
-
05/18/2018
STC SA01828SE
Installation of J.P. Instruments (JPI) EDM-960 Primary Engine Data Management System
J. P. Instruments
-
04/26/2018
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
West Coast Air Creations
-
03/13/2018
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
Richard Zeiler
-
12/20/2017
STC SA01282NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.
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
-
05/16/2016
STC SA01828SE
Installation of J.P. Instruments (JPI) EDM-960 Primary Engine Data Management System
J. P. Instruments
-
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
-
10/31/2012
STC SA01282NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.
Airwolf Filter Corporation
-
07/05/2011
STC ST00961LA
Installation of MASS Systems fire extinguisher cartridges as replacements for Walter Kidde Aerospace fire extinguisher cartridges in fire extinguisher bottles installed in the airp…
AMETEK AMERON LLC d/b/a MASS Systems
-
07/29/2009
STC ST00961LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
MASS Systems a Unit of American Global Inc.
-
03/06/2007
STC ST00961LA
Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles.
Mass Systems Inc.
-
09/12/2003
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
Alden Engineering
-
02/07/2003
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
Alden Engineering
-
04/27/1998
STC SA6070NM
Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown.
Alden Engineering
-
06/07/1972
STC SA171EA
Installation of Goodyear Model L12-HBM, Type III, 11.00-12 Wheel-Brake Assemblies with11.00-128 Ply Tires.
Casement Aviation
-
06/02/1972
STC SA271SO
Installation of wheel well fairings.
Casement Aviation
-
06/02/1972
STC SA78EA
Installation of modified Beech D18S engine cowl.
Casement Aviation
-
02/21/1968
STC SA1612WE
Installation of Hamilton Standard Hydromatic Full Feathering Propellers 22D30-213/6533A-12, Propeller feather system, BT-13 oil cooler and cowling and modified oil tank.
Walter E. Heller and Company
07 / PMA replacement parts
FAA-approved replacement parts for LOCKHEED ELECTRA 10-A
2 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
0101107-0#https://drs.faa.gov/browse/excelExternalWindow/74FCA3CE8000357686257DFD007026CC.0001##
Reel Assembly, Shoulder Harness
Meggitt Safety Systems Inc replaces 0101107-0
PMA holder → -
0101107-1#https://drs.faa.gov/browse/excelExternalWindow/5BDF614E76DD26BA86257DFD007026CD.0001##
Reel Assembly, Shoulder Harness
Meggitt Safety Systems Inc replaces 0101107-1
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for LOCKHEED ELECTRA 10-A
Advisory Circulars
ACs whose subject explicitly mentions LOCKHEED or ELECTRA 10-A.
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 2 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.
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 →