Content last revised: 2009/12/01
(amended 2009/12/01)
| Parameters | Range | Accuracy sensor input to DFDR readout | Sampling interval (in seconds) | Resolution read-outFootnote 2 |
|---|---|---|---|---|
| Time (GMT) | 24 hrs | ±0.125% per hour | 0.25 (1 per 4 seconds) | 1 sec. |
| Altitude | -1,000 ft. to maximum certificated altitude of aircraft | ±100 ft. to ±700 ft. (See table 1 in CAN-TSO-C51a) | 1 | 5 ft. to 30 ft. |
| Airspeed | As the installed measuring system | ±3% | 1 | 1kt |
| Heading | 360° | ±2° | 1 | 0.5° |
| Normal (vertical) acceleration | -3g to +6g | ±1% of max range excluding datum error of ±5% | 8 | 0.01g |
| Pitch attitude | ±75° | ±2° | 2 | 0.5° |
| Roll attitude | ±180° | ±2° | 2 | 0.5° |
| Radio transmitter keying | On/off (discrete) | 1 | 0.25 sec. | |
| Power in each engine: Free power turbine speed and engine torque |
0 - 130% (power turbine speed) Full range (torque) |
±2% | 1 speed, 1 torque per engine | 0.2%Footnote 1 to 0.4%Footnote 1 |
| Main Rotor Speed | 0 - 130% | ±2% | 2 | 0.3%Footnote 1 |
| Altitude rate | ±6,000 ft/min | As installed | 2 | 0.2%Footnote 1 |
| Pilot Input - primary controls (collective, longitudinal cyclic, lateral cyclic, pedal) | full range | ±3% | 2 | 0.5%Footnote 1 |
| Flight control hydraulic pressure low | discrete, each circuit | 1 | ||
| Flight control hydraulic pressure selector switch position, 1st and 2nd stage | discrete | 1 | ||
| AFCS Mode and engagement status | discrete (5 bits necessary) | 1 | ||
| Stability Augmentation System engage | discrete | 1 | ||
| SAS Fault status | discrete | 0.25 | ||
| Main Gearbox Temperature Low | As installed | As installed | 0.25 | 0.5%Footnote 1 |
| Main Gearbox Temperature High | As installed | As installed | 0.5 | 0.5%Footnote 1 |
| Controllable Stabilator Position | full range | ±3% | 2 | 0.4%Footnote 1 |
| Longitudinal acceleration | ±1g | ±1.5% of max range excluding datum error of ±5% | 4 | 0.01g |
| Lateral acceleration | ±1g | ±1.5% of max range excluding datum error of ±5% | 4 | 0.01g |
| Master Warning | discrete | 1 | ||
| Nav 1 and 2 frequency selection | full range | As installed | 0.25 | |
| Outside Air Temperature | -50° C to +90° C | ±2°C | 0.5 | 0.3° C |