Incidents Types

rc hookin1 

This incidents types list is a synthesis of syntheses of several national overall practice incidents databases. Some sources have been lost, however the synthesis remains. All sources were real, yet sorting the categories and especially the solution proposals are subjective (R. Caux). The records run already over several decades, but this list is of course open. So feel free to send any commentary, amendment or new case to the Safety Officer (R. Caux). Fly safe.




lack of sleeping, tiredness, jetlag
bad physical shape
alcohol, cannabis
need to pee

visual flaw (midair path)
white dots on retina
wounds on ground
scubadiving less than 12h before flight
fly down, oxygen set
drink, camelback
weather check, gloves, cothes
sunglasses, sunscreen, clothes, drink
give up
give up
give up
learn technique

red tape, FLARM
good sunglasses

(fitness) training
give up
lack of experience
start of season
fear, carelessness, complacency
personal worries, feeling "beside"
anger, "testosterone"
distraction (camcorder...), speeding up
forgetting to hook in
forgetting legloops
run stop in tandem launch
student without guidance
risk taking with weather, aerology
unavailability, overload, panic
learn human factor
learn human factor
give up

1.hook in harness 2.put on harness
close legloops 1st
improve pedagogy
improve pedagogy
learn human factor
tuned equipment, simplified pedagogy, training
impossible/difficult direct connection
forgetting to hook in
forgetting legloops, waist strap

forgetting chest strap
impossible/difficult stand up
impossible/difficult lying
zipper failure

main suspension rope break
tilt cord break

main riser break
backplate break, separation

forgotten hook-in
impossible wanted reserve opening

unwanted reserve opening
separation on reserve opening
legs injuries
spine injuries
front opening harness?
direct connection & automatic backup
legloops-chest strap link, upper zipper closing from bottom?
external chest strap
proper rail length, tuned legloops
centered rail, tuned riser-footplate cord
zipper on velcro sandwich

riser sliding on metal rod
removable tilt cord, properly routed

riser properly sewn & linked to safety frame
freefall tested plate linked to safety frame

1.let go 2.turn back onto slope
direct pod handle reached by both hands, 2 reserves
faired & fitted pod handle

bridle connected to harness safety frame
ballast suited to pilot
deployable airbag
face wounds by glasses
loosing helmet
"neck breaker"
brain rotational wounds
jamming cord on launch or glider

difficult reserve opening
pilot chute break
pod opened before throwing
reserve burst in terminal velocity opening
injuries upon landing under reserve
drogue chute line break, torsion
interference drogue chute-keel
unavoidable crash upon landing
drowning upon water landing
glasses with round rim
tested geometry, strong chin strap
minimal fairing behind helmet
MIPS helmet technology
outer tethers only by cow hitches or quick links, inner radio wire
pilot chute on pod
freefall tested pilot chute
protected closing loop, lines stowed on pod
freefall tested sail
size suited to gross weight
proper bridle possibly on harness axis
short bridle
let glider absorb energy, warp around 1 downtube
1.exit to trailing edge 2.open harness

forgetting pin with top closing A-frame
A-frame top bolt fatigue failure
weak A-frame top bolt through keel
cable folding base bar, fatigue
base bar break
torn cast fittings upon downtube bend/break
side wires fatigue break

forgetting haulback swan neck pin
folded leading edge mylar inserts
corrosion hidden by painting
forgetting/loosing nose cone
forgetting to close sprogs/keel zippers
hang loop
jamming VG cord
low lock out on tow

rectangular carbon spars break by complex forces
keel break
weak push-out upon landing
tiring, loss of interest

rigids control wires/spoilers/flaps disconnected in flight
rigids stabiliser lost in flight
rigids D-tubes delamination

base closing A-frame
right quality/size
short bolt in craddle under keel
articulated folding base bar
base bar inner backup wire
milled fittings

Cheney bottom fittings, right sized wires, eye swage terminals?
ring/shackle haulback, backup
inserts adjusted in leading edge pockets
anodised aluminium tubes
nose cone binding by cord or return velcro
"remove before flight" tags?
easy harness clip-in to dingle dangle/kingpost
stowing bungee on downtube base

harness pitch & 1/3 VG tuned; roll stable glider, dual bridle & fin for beginners
wound spars

keel inner backup wire
A-frame top behind main riser
advertised glider tuning procedure: VG loose 1.symmetry 2.trim, tight 3.symmetry 4.pitch
pin secured wires/spoilers/flaps

pin secured stabiliser, reinforced craddle
control during preflight check
protruding nail on ramp
pitch change on slope change

low pitch on cart, tug lifts off 1st
high pitch on cart, stall
tumble out of cart
dragging cart on launch
nose AoA velcro limiter
steep launch on winch tow, stall upon line break
weak link break on launch
face injuries on line break
jamming tow line

impossible release upon lock out
midair with winch tow line
obstacles on landing
start run less than 1m before slope change (except cliff without wind)
tunable keel support, 20° (rigids 10°)
pitch angle: base bar ~ flight position
push while rolling & hold hoses
base bar cradles for all bars
glider/harness dual bridle
restricted tension below 50m, operator's training

stronger weak links, regularly replaced
simple, light & compact release
base bar central part clear of instruments, sheathed line

no cord loops imitating metal rings
winch towing activity on air maps
cut fences, trees

launch with low AoA, glider overtaking
launch with high AoA, slow lift off, stall

loss of control on cart
blown launch, lockout
hitting the ridge
unwanted reserve opening
drogue chute thrown over base bar/jammed on wheel/skid
spin close to ground
loss of control close to ground
poor approach, low turn
gradient, lee of obstacles
obstacles on landing
poor landing

launch AoA 20° (rigids 10°)
progressive acceleration, let fly
specific reversed control on cart
wings level, active control
crabb toward the valley
learn rules, continuous 360° watch, anticipate
equipment preparation
sprogs/twist tuned, VG loose in turbulence
throw at trim speed, right away

wings level, VG loose/flaps on for final
transition to low half of downtubes before final
long straight final
jugde & anticipate
anticipate, watch free zone
"listen" to trim
overcrowded launch
overcrowded start gate

high altitude
lost pilots
hazardous task line/final glide

overcrowded landing
low stress setup/launch system (priority set up)
adapt lapse beween launch opening and 1st start, ex. 1 to 2h
continuous 360° watch, FLARM
oxygen sets
mobile phone on, live tracker, SPOT
flight corridor over landable & in aerologically sane zones
daily turn direction for landing

mental training: visualise problems & emergency procedures
aware of consequences (aviation's hardest = ground)
aware of own (changing) limits: adrenalin, visual flaws, no cheating
fit & awake
ability to renounce: maturity
use logic more than lists learned by heart
simplify procedures to lower work load
anticipate worsening situation, have an alternate
rely on anticipation more than luck
safety scale (green: fly, yellow: watch ground, red: land)
anticipate human mistake, humbleness, listen to critics
step in when hazard or incompetence
declare incidents for common knowledge
putting stress on little mistakes (almost accident)


lack of oxygen
need to pee
white dots on retina
visual flaw (midair path)
scubadiving less than 12 hours before flight
bad physical shape
lack of sleeping
wounds on ground

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