Type Record · As of May 3, 2026
WACO SRE
Fixed Wing Single Engine · P&W R-985 SERIES
Registered
5
Year Range
1940–1941
NTSB Events
3
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered WACO SRE aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- IL 40.0% 2
- TX 20.0% 1
- CA 20.0% 1
- LA 20.0% 1
By Decade of Manufacture
- 1940s 60.0% 3
- Unknown 40.0% 2
02 / NTSB Records
Events involving WACO SRE aircraft
3 event(s) on file. Showing the most recent 3.
-
Jan 10, 2003
N1252WPrescott, Arizona Minor
NTSB Docket → -
Oct 11, 1982
N1252WREDLANDS, California
NTSB Docket → -
Jun 4, 1967
N20967MERCED, California
NTSB Docket →
02c / Academic Research
Scholarly work mentioning WACO SRE
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
- arXiv 2020 · arXiv preprint
SREC: Proactive Self-Remedy of Energy-Constrained UAV-Based Networks via Deep Reinforcement Learning
Energy-aware control for multiple unmanned aerial vehicles (UAVs) is one of the major research interests in UAV based networking.
- Semantic Scholar 2024 · Article (Proceedings of the Human Factors and Ergonomics Society Annual Meeting)
Cognitive Biases in Commercial Aviation: Empirical Review of Accident Reports
Cognitive biases in commercial aviation can coax pilots into disregarding established protocols or overlooking potential hazards, a concern that the Federal Aviation Administration (FAA) has acknowled…
- NASA NTRS 2023 · Conference Paper
The Potential of Medical Drones: An Analysis of Current and Future Use Cases
Modern Application of Medical-Based Drone Delivery Drones have been used advantageously by militaries for nearly a century, but their uses in civilian life are still mostly cutting-edge, if not theore…
- Semantic Scholar 2022 · Article (Internet Interventions)
Internet-based emotion-regulation training added to CBT in adolescents with depressive and anxiety disorders: A pilot randomized controlled trial to examine feasibility, acceptability, and preliminary effectiveness
Background Dysfunctional emotion regulation (ER) is associated with symptoms of depression and anxiety in adolescents. This pilot study aimed to examine the acceptability and feasibility of a guided i…
- Embry-Riddle Scholarly Commons 2022 · Journal article (IJAAA)
The Five Hazardous Attitudes, A Subset of Complacency
Abstract The article discusses complacency and the five hazardous attitudes in the context that the five hazardous attitudes are a subset of complacency.
- Semantic Scholar 2021 · Article
The impact of human factors on pilots’ safety behavior in offshore aviation companies: A brazilian case
Abstract This study explores the concepts of human factors and their key role in the safety of offshore aviation companies through qualitative research.
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to WACO SRE
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for WACO SRE
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- TC 714 Current Rev 0 ·
The Waco Aircraft Company
Models: ARE, SRE (Army UC-72), HRE (Army UC-72C)
06 / Supplemental Type Certificates
Modifications approved for WACO SRE
22 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
-
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
-
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
-
07/24/2008
STC SA02033AT (PAGE 6)
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)
M-20 Oil Separators LLC
-
01/24/2005
STC SA2693NM
Installation of Electronics International digital volt/amp gauges and accessories.
Electronics International Inc.
-
11/04/2004
STC SA02033AT (PAGE 2)
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)
M-20 Oil Separators LLC
-
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
-
02/24/1992
STC SA2687NM
Installation of Truboplus/ Electronics Int'l gauges and switches.
ACD Corporation
-
10/12/1989
STC SA4302NM (PAGE 3)
Installation of Electronics Int'l digital automatic engine analyzer.
Electronics International
-
01/26/1988
STC SA2693NM
Installation of Electronics International digital volt/amp gauges and accessories.
Electronics International
-
08/19/1980
STC SA4-1210
Installation of Eonnex cover on aircraft surfaces.
Ceconite, Inc
-
01/01/1960
STC SA4-1212
Eonite covering on elevators, rudder and vertical stablizer.
Lott William C
-
—
STC SA4-1212
Eonite covering on elevators, rudder and vertical stablizer.
William C Lott
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for WACO SRE
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 5 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 →