Page 506 - UK Air Operations Regulations 201121

~ Regulation SPA - ANNEX V - Specific Approval Operations n trik

Event title/description Parameters required Comments
Ground
Outside air temperature (OA TI high OAT To identify when the helicopter is
- Operating limits operated at the lim its of OAT.
Sloping-ground high-pitch attitude Pitch attitude, ground switch To identify wheri ttie helicopter is
(similar) operated at the slope limits.
Sloping-ground high-roll anitude Roll attitude, ground switch To identify when tfle helicopter is
(similar) operated at the slope limits.
Rotor brake on at an exce.ssJVe Rotor brake discreet, NR To identify when the roto r brake is
i
number of rotations (ma n rotor applied at too high NR.
speed) INR)
Ground taxiing speed - max Ground speed (GS), ground switch To identify when the helicopter is
(similar) ground taxied at high speed
(wheeled helicopters only).
Air taxiing speed - max GS, ground switch (similar), radio To identify when the helicopter is
altitude (Rad Alt) air taxied at high speed.
Exc.ess.ive power during ground Tota l torque (Tq), ground switch To identify when excessive power is
taxiing (similar), GS used during ground taxiing.
Pedal - max left-hand (LH) and Pedal position, ground switch To identify when the helicopter
right-hand (RH) taxiing (similar), GS or NR flight controls (pedals) are used to
excess on the ground. GS or NR to
exdude control test prior to rotor
sta rt.
Excessive yaw r.ite on ground Yaw rate, ground swrtch (sim ilar), To identify when the helicopter
during taxiing or Rad Alt yaws at a high rate when on the
ground.
Yaw rate in hover or on ground Yaw rate, GS, ground switch To identify when t he helicopter
(similar) yaws at a high rate when in a
hover.
High latera l acceleration (rapid Lateral acceleration, ground swit:dl To identify high levels of lateral
cornering} (similar) acceleration, when ground taxiing.,
that indicate high cornering speed.
High longitudinal acceleration Longitudinal acceleration, ground To identify high levels of
(rapid braking) switch (similar) I ongitudinal acceleration, when
ground taxiing, tllat indicate
excessive braking_
Cydic-movement limits during Cyclic stick position, ground switch To identify excessive movement of
taxiing (pitch or roll) (similar), Rad Alt, NR or GS the rotor disc when running on
ground. GS or N R to exclude control
test prior to rotor start.
E xcessive longitudina l and lateral Longitudinal cyclic pitch rate, To detect an excessive rate of
cyclic rate of movement on ground lateral cyclic pitch rate, NR movement of cyclic control when
on the ground with rotors running.
Lateral cyclic movement - closest Lateral cyclic position, pedal To detect the ri.sk of a helicopter
to LH and RH rollover position, roll attitude, elapsed time, rollover due to an incorrect
ground switch {similar) combination of tail rotor pedal
position and lateral cyclic control
position when on ground.
E xcessWe cyclic control with CollectWe pitch, longitudinal cycl ic To detect an incorrect taxiing
insufficient collective pitch on pitch, lateral cyclic pitch technique likely to cause rotor head
ground damage.
Inadvertent lift-off Ground switch (similar), autopilot To detect inadvertent lifting into
di.screet hover.
Flight - Take-off and landing
Day or night landing or take-off Latitude and Longitude (Lat & To provide day/night relevance to
Long), local time or UTC detected events.
Specific location of landing or take- Lat& l ong, ground switch (similar), To give contenual information
off Rad Alt, to tall q concerning departures and
destinations.
Gear extension and retraction - Indicated airspeed IIAS), gear To identify wtien undercarriage
airspeed I mit position airspeed limitations are breached.
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Gear extension & retraction - Gear position, Rad Alt To identify wtien undercarriage
height limit alt itude limitations are breached.
Heavy landing Normal/venical acceleration, To identify when hard/heavy
ground switch {similar) landings take place.
cabin heater on (take-off and Cabin heater discreet, ground To identify use of engine bleed air
landing) switch (similar) during periods of high power
demand.
High GS prior to touchdown ITD) GS, Rad Alt, ground switch (similar), To assist in t he identification of
elapsed time, latitude, longitude 'quick stop' approaches.
Flight - Speed
High airspeed - with power IAS, Tq 1, Tq 2, pressure altitude To identify excessive airspeed in
(Pait), OAT fiight.
High airspeed - low alt itude IAS, Rad Alt To identify excessive airspeed in
low-level flight .
low airspeed at altitude IAS, Rad Alt To identify a 'hover out of ground'
effect.
Airspeed on departure(< 300 It) IAS, ground switch (simi ar), Rad Alt To identify shallow departure.
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Htgh airspeed - power off IAS, Tq 1, Tq 2 or one engine To identify I mrtation e.xceedance of
inoperative (OEI) discreet, Pait, OAT power-off airs.peed.
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