Content last revised: 2009/12/01
(amended 2009/12/01)
| Parameters | Range | Installed System Minimum Accuracy (to recovered data) Footnote 1 |
Sampling interval (in seconds) | Resolution read-out Footnote 3 |
|---|---|---|---|---|
| Relative Time (from recorded on prior to take-off) | 8 hour minimum | ±0.125% per hour | 1 | 1 sec. |
| Indicated Airspeed | Vmin to VD (KIAS) (minimum airspeed signal attainable with installed pitot-static system). | ±5% or ±10 kt., whichever is greater. | 1 | 1 kt. |
| Altitude | -1,000 ft. to 20,000 ft. pressure altitude | ±100 ft. to ±700 ft. (see table 1 in CAN-TSO C51-a) | 1 | 25 to 150 ft. |
| Magnetic Heading | 360° | ±5° | 1 | 1° |
| Vertical acceleration | -3g to +6g | ±0.2g in addition to ±0.3g maximum datum | 4 (or 1 per second where peaks, ref. to 1g, are recorded) | 0.05g |
| Longitudinal acceleration | ±1.0g | ±1.5% max. range excluding datums error of ±5% | 2 | 0.03g |
| Pitch attitude | 100% of usable range | ±2° | 1 | 0. 8° |
| Roll attitude | ±60° or 100% of usable range, whichever is greater | ±2° | 1 | 0. 8° |
| Altitude Rate | ±8,000 fpm | ±10% Resolution 250 fpm below 12,000 ft. indicated | 1 | 250 fpm below 12,000 |
Engine Power, Each Engine
| Parameters | Range | Installed System Minimum Accuracy (to recovered data) Footnote 1 |
Sampling interval (in seconds) | Resolution read-out Footnote 3 |
|---|---|---|---|---|
| Main rotor speed Free or power turbine Engine Torque |
Maximum range Maximum range Maximum range |
±5% ±5% ±5% |
1 1 1 |
1%Footnote 2 1%Footnote 2 1%Footnote 2 |
Flight Control, Hydraulic Pressure
| Parameters | Range | Installed System Minimum Accuracy (to recovered data) Footnote 1 |
Sampling interval (in seconds) | Resolution read-out Footnote 3 |
|---|---|---|---|---|
| Primary (discrete) Secondary if applicable (discrete) |
High/Low High/Low |
1 1 |
||
| Radio transmitter keying (discrete) | On/Off | 1 | ||
| Autopilot engaged (discrete) | Engaged or disengaged | 1 | ||
| SAS status - engaged (discrete) | Engaged or disengaged | Y | 1 | |
| SAS fault status (discrete) | Fault/OK | 1 |
Flight Controls
| Parameters | Range | Installed System Minimum Accuracy (to recovered data) Footnote 1 |
Sampling interval (in seconds) | Resolution read-out Footnote 3 |
|---|---|---|---|---|
| Collective Pedal position Lateral cyclic Longitudinal cyclic Controllable stabilator position |
Full range Full range Full range Full range |
±3% ±3% ±3% ±3% |
2 2 2 2 |
±1% Footnote 2 ±1% Footnote 2 ±1% Footnote 2 ±1% Footnote 2 |