AMC1 CAT.IDE.A.191 Lightweight flight recorder

CAA ORS9 Decision No. 15

OPERATIONAL PERFORMANCE REQUIREMENTS

(a)    If the flight recorder records flight data, it should record at least the following parameters:

(1)    pitch attitude or pitch rate,

(2)    roll attitude or roll rate,

(3)    heading (magnetic or true) or yaw rate,

(4)    latitude,

(5)    longitude,

(6)    positioning system: estimated error (if available),

(7)    pressure altitude or altitude from a positioning system,

(8)    time,

(9)    ground speed,

(10)    positioning system: track (if available),

(11)    normal acceleration,

(12)    longitudinal acceleration, and

(13)    lateral acceleration.

(b)    If the flight recorder records images, it should capture views of the main instrument displays at the pilot station, or at both pilot stations when the aeroplane is certified for operation with a minimum crew of two pilots. Where the recorded image is used to meet the requirements of CAT.IDE.A.191(b), then the quality of the recorded image should allow reading the following indications during most of the flight:

(1)    magnetic heading,

(2)    time,

(3)    pressure altitude,

(4)    indicated airspeed,

(5)    vertical speed,

(6)    turn and slip,

(7)    attitude,

(8)    Mach number (if displayed),

(9)    stabilised heading, and

(10)     tachometer indication or equivalent indication of propulsive thrust or power.

(c)    If the flight recorder records a combination of images and flight data, each flight parameter listed in (a) should be recorded as flight data or by means of images.

(d)    The flight parameters listed in (a), which are recorded as flight data, should meet the performance specifications (range, sampling intervals, accuracy limits and resolution in read-out) as defined in the relevant table of EUROCAE Document ED-112 ‘Minimum Operational Performance Specification for Crash Protected Airborne Recorder Systems’, dated March 2003, or EUROCAE Document ED-155 ‘Minimum Operational Performance Specification for Lightweight Flight Recording Systems’, dated July 2009, or any later equivalent standard accepted by the CAA.

(e)    The operational performance requirements for the flight recorder should be those laid down in:

(1)    EUROCAE Document ED-155 or any later equivalent standard accepted by the CAA for lightweight flight recorders; or

(2)    EUROCAE Document ED-112 or any later equivalent standard accepted by the CAA for crash-protected flight recorders.