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Technical Paper

The Role of Aircraft Recorders in Human Performance Investigations

1983-10-03
831414
Efforts to learn the reasons why these apparent errors in behavior or performance occur have been largely speculative until Flight Data Recorders and Cockpit Voice Recorders became available in large transport aircraft. Two accidents are examined in which the data provided by the aircraft recorders were employed to explain the underlying reasons for the sequence of events that culminated in the accidents. ...Two accidents are examined in which the data provided by the aircraft recorders were employed to explain the underlying reasons for the sequence of events that culminated in the accidents. ...It is concluded that aircraft recorders are essential basic tools of the human performance investigator requiring quality, dependability and state-of-the-art equipment to refine the investigative methodology of human performance investigations.
Article

Next-generation crash recorders integral to aviation cybersecurity

2019-05-17
On the cybersecurity front, EASA has issued a new notice of proposed amendment (NPA) related to an earlier RTCA document, DO-326A, which came out in 2014. Because DO-326A wasn’t tied to any regulation, it hasn’t been widely implemented since its introduction. Recent incidents have increased a focus on DO-326A, including an incident last year, during which an airline passenger on board a major international carrier, unwisely thought it would be funny to rename his iPhone’s personal wi-fi hot-spot account, “Bomb Onboard.”
Standard

RECORDER INDEPENDENT POWER SUPPLY

2010-10-11
CURRENT
ARINC777-2
This Characteristic provides the definitions for the physical form and fit dimensions, the electrical interfaces, and the functions of an independent power supply for cockpit voice recorders or crash survivable recorders that combine voice with other recording functions. The RIPS is used to provide backup power that is independent of the aircraft generated power buses.
Standard

Minimum Performance Standard General Aviation Flight Recorder

2002-02-13
CURRENT
AS8039A
This standard covers three (3) basic types of flight recorders as defined below: All requirements specified in Sections 3, 4, 5, 6 and 7 of this standard shall be applicable to all recorder types unless otherwise noted. ...This standard covers three (3) basic types of flight recorders as defined below: All requirements specified in Sections 3, 4, 5, 6 and 7 of this standard shall be applicable to all recorder types unless otherwise noted.
Standard

AIRBORNE RECORDER FILE FORMAT

1992-01-01
CURRENT
ARINC657
A standardized data format will reduce the variety of readout equipment required for airborne recorder data transcription. This document defines the detailed architecture of the Recorder Standard Output (RSO) file. ...This structure is intended for use with all civil recorders and should support use with military recorders....This document defines the characteristics necessary to standardize the airborne recorder download file format in order to facilitate data import, transcription, and exchange. A standardized data format will reduce the variety of readout equipment required for airborne recorder data transcription.
Standard

COCKPIT VOICE RECORDER (CVR)

2005-08-05
CURRENT
ARINC757A-1
This Characteristic provides guidance for the development and installation of a new generation of Cockpit Voice Recorders (CVRs) using solid-state memory. This document supersedes the earlier ARINC Characteristic 557. ...ARINC 757A recorders are not required to have FDR capability. " The time correlation requirement was revised to specify that the CVR should receive its time signal from the same source as the Flight Data Recorder (FDR). " The OMS interface was updated to describe the correct ARINC 429 Sign Status Matrix (SSM) encoding for new CVR designs. ...ARINC 757A recorders are not required to have FDR capability. " The time correlation requirement was revised to specify that the CVR should receive its time signal from the same source as the Flight Data Recorder (FDR). " The OMS interface was updated to describe the correct ARINC 429 Sign Status Matrix (SSM) encoding for new CVR designs.
Standard

FLIGHT DATA RECORDER

2011-06-07
CURRENT
ARINC747-3
This document provides design guidance for the development and installation of Flight Data Recorders (FDR) which may utilize solid state memory and which may employ some means of data compression. ...The Flight Data Recorder will be utilized with a Flight Data Acquisition Unit (FDAU) (ARINC Characteristic 573) or a Digital Flight Data Acquisition Unit (DFDAU) (ARINC Characteristic 717) to accommodate mandatory flight data recording and other flight data acquisition needs.
Standard

FLIGHT RECORDER ELECTRONIC DOCUMENTATION (FRED)

2009-07-01
CURRENT
ARINC647A-ER1
The FRED specification is an expansion of the Flight Recorder Configuration Standard (FRCS) and is intended to provide guidelines for software systems designers and developers of ground support equipment for flight data recorders. ...The FRED specification is an expansion of the Flight Recorder Configuration Standard (FRCS) and is intended to provide guidelines for software systems designers and developers of ground support equipment for flight data recorders. The FRED specification has been developed to facilitate the exchange of Flight Data Recorder (FDR) documentation between aircraft manufacturers, operators, and government agencies. ...The FRED specification has been developed to facilitate the exchange of Flight Data Recorder (FDR) documentation between aircraft manufacturers, operators, and government agencies. This specification addresses the ARINC Specification 664: Part 7, Avionics Full Duplex Switched Ethernet in numerous sections.
Standard

COCKPIT VOICE RECORDER (CVR)

2015-08-05
CURRENT
ARINC757-6
This document provides guidance for the development and installation of a Cockpit Voice Recorders (CVR) with solid-state memory. Supplement 6 provides the following: " The optional interfaces to data link services and On-Board Maintenance System (OMS) were revised to clarify that if the optional interface is implemented, then it shall be implemented in a specific way. " The power input section was revised to clarity the need for the CVR to be designed to accept 115 Vac power and 28 Vdc power from the aircraft. " The time correlation requirement was revised to specify that the CVR should receive its time signal from the same source as the Flight Data Recorder (FDR). " The OMS interface was updated to describe the correct ARINC 429 Sign Status Matrix (SSM) encoding for new CVR designs. ...Supplement 6 provides the following: " The optional interfaces to data link services and On-Board Maintenance System (OMS) were revised to clarify that if the optional interface is implemented, then it shall be implemented in a specific way. " The power input section was revised to clarity the need for the CVR to be designed to accept 115 Vac power and 28 Vdc power from the aircraft. " The time correlation requirement was revised to specify that the CVR should receive its time signal from the same source as the Flight Data Recorder (FDR). " The OMS interface was updated to describe the correct ARINC 429 Sign Status Matrix (SSM) encoding for new CVR designs.
Technical Paper

American Airlines' Maintenance Recorder Experience

1970-02-01
700317
Fifteen American Airlines BAC 1-11 airplanes have been equipped with electronic engine maintenance recorders for the purpose of evaluating the feasibility and merits of automatic maintenance recording on air transport aircraft. ...The maintenance recorder system and method of data reduction are briefly described. The experience gained to date from this program is portrayed.
Technical Paper

Instrumentation for Shock Testing

1962-01-01
620309
Frequency response requirements are described in relation to accelerometers and galvonometer recorders and filters. The paper also includes a review of shock transducers and their calibration.
Technical Paper

Disciplines of Organization

1967-02-01
670341
American Airlines is implementing three basic programs in the flight performance area in an effort to reduce risks: centralized flight training, line flying checks in the hands of Flight Standards superintendents, and routine surveillance of operations by use of flight performance recorders and accompanying computer programs.
Technical Paper

Air Transport Flight Parameter Measurements Program – Concepts and Benefits

1980-09-01
801132
A program is described in which statistical flight loads and operating practice data for airline transports in current operations are obtained from existing onboard digital flight data recorders. These data, primarily intended for use by manufacturers in updating design criteria, were obtained from narrow-body and wide-body jets.
Standard

Minimum Performance Standard for Underwater Locating Devices (Acoustic) (Self-Powered)

1988-05-16
HISTORICAL
AS8045
This AS covers Underwater Locating Devices (ULD) to assist in finding flight recorders, cockpit recorders or aircraft or both. Such ULDs are to be installed adjacent to the recorders in a manner that they are unlikely to become separated during crash conditions. ...Such ULDs are to be installed adjacent to the recorders in a manner that they are unlikely to become separated during crash conditions.
Technical Paper

A New Look at Piloting Procedures in Microbursts

1986-10-01
861701
The airspeed increases which appear on all flight data recorders of aircraft which crashed in microburst wind shears are examined. Two reasons for these airspeed increases are suggested which contradict previous analysis.
Technical Paper

Gatelink High Speed Communications with Parked Aircraft

1993-09-01
932610
Traditional methods of handling this plethora of data, such as quick access recorders (QARs) with removable media, are rapidly becoming too cumbersome to meet the efficiencies required in today's aviation business climate.
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