Fleets became measurable.

Airlines know everything. Every flight, every pilot, every landing, every aircraft — automatically measured, scored, queryable. Fleet managers in General Aviation still have to run on Hobbs spreadsheets and incident reports from memory. Sentinel G1 brings commercial-grade fleet operations to every club and ATO for €399 per aircraft. Real-time visibility on every aircraft. Sensor-verified incidents, no more disputes. Audit-proof flight archive from day one. We're building the operations layer of General Aviation.

Request a free live demo →

EVENTS · SUNDAY 18:42LIVE

⚠ ALERT · 14:32 · 4h AGO

Hard landing · OO-VMX

Vertical peak · threshold 2.6G

4.2G

OO-VMX

Hard landing

4.2G52/100

OO-VNB

—

1.3G94/100

OO-WSP

Hard brakes

1.1G73/100

OO-TMA

—

1.2G96/100

FLIGHT REVIEW · OO-VMX · ZO 14:32LIVE

84 / 100

Flight grade B — Goede vlucht

6 manoeuvres automatisch gedetecteerd, gescoord tegen FAA ACS-toleranties. Klik door voor ACS breakdown per manoeuvre.

Takeoff roll

VR consistent met POH, geen yaw deviation. Smooth rotation.

Cruise stability

±50ft altitude hold over 22 min, lichte heading drift bij turn-out.

Final approach & landing

4.2G touchdown · sink rate 680 fpm boven drempel · 2 bounces.

Sentinel G1 — autonomous EDR, no STC required

Sentinel G1 is an autonomous flight data sensor with a stack of high-grade sensors including a 6-axis accelerometer & gyro at 10 Hz, MEMS RPM extraction and a barometer. Advanced algorithms and edge machine learning filter out critical events and turn them into a fleet dashboard that updates automatically via the built-in e-sim after every flight.

Easy to install yourself with a removable 3M pad on the cabin floor panel. Magnetically detachable from the 3M pad for inspection.

A data-driven platform that makes fleet management worry-free.

Event dashboard

Flight feedback for pilots

Real-time alerts

Audit-proof archive

Hobbs to billing, no disputes

Een feedback-laag die je elke vlucht scherper maakt.

Flight Score van A tot F per vlucht

ACS-tolerance scoring per manoeuvre

Concrete tips waar je morgen mee vliegt

Persoonlijk ACS-grade vluchtarchief

Zichtbare progressie over alle vluchten

Typical minimum savings our EDR delivers

Benefit per aircraft

Per year

15% less downtime

Risks are exposed early via real-time flight data. Boeing AHM and IATA FOQA programs show a 10-15% reduction in unexpected AOG events. At €3,000/aircraft/year downtime cost = €450 saved.

+€450

Fewer unnecessary inspections

Without objective data, every "I think that felt hard" triggers a mandatory inspection. With G-trace data, only real exceedances trigger one. Estimated saving €200/aircraft/year in inspection cost and downtime.

+€200

25% less pilot-related damage

A feedback loop with pilots based on flight data reduces pilot errors by 20-30% (LOSA studies, FOQA debrief programs). At €1,200/aircraft/year pilot-related damage = €300 saved.

+€300

20% fewer claims via EDR behavioral effect

When pilots know flight data is being recorded, their behavior changes. FOQA data from commercial aviation supports ~20% claim reduction. At €2,500/aircraft/year claim cost = €500 saved.

+€500

Hobbs auto-billing — recovered revenue

Manual Hobbs logging typically loses 5-10% of flight hours through forgotten entries or rounded numbers. Automatic engine time from RPM = full billing. At ~€15,000/year rental revenue = €600/aircraft/year recovered.

+€600

Claim disputes avoided

An audit-proof flight archive prevents disputes with insurers and pilots. Estimated cost €750/aircraft/year in admin time and lost claim value.

+€750

Sentinel G1 (HW + subscription per year)

€399 hardware depreciated over 10 years = €40/year, + €19/month subscription = €228/year. Total ~€268 per aircraft per year.

−€268

Total estimated savings per aircraft per year

€2,532

For your fleet of 5 aircraft

1 AIRCRAFT100 AIRCRAFT

€12,660

Wat een Flight Score je oplevert per jaar.

Voordeel per piloot

Per jaar

Sneller naar PPL of volgende rating

FOQA-debrief-studies en LOSA-onderzoek tonen 15% snellere progressie bij gestructureerde post-vlucht feedback met objectieve data. Voor een gemiddelde student: ~5 u dual bespaard à €170/u = €850.

+€850

Hogere kans op first-time check-ride pass

Concrete ACS-gescoorde debriefs verkleinen het gat tussen oefenvluchten en examen-toleranties. Vermeden herexamen (DPE fee + extra dual) ≈ €450 verwachtingswaarde per kandidaat.

+€450

Minder remedial dual time

Met objectieve metrics zie je vóór je instructeur waar je achter loopt — geen verloren lesuren aan zelfde fouten. Geschat: 2 u dual minder per jaar = €340.

+€340

Snellere debriefs voor instructeurs

Van 20 min uit-het-hoofd-debrief naar 5-10 min met data op tafel. Voor een actieve FI: ~13 u/maand bespaard = ~€8.000/jaar aan instructeur-tijd (FI-uurloon).

+€8.000 /FI

Persoonlijk ACS-grade vluchtarchief

Elke vlucht automatisch gelogd met ACS-toleranties, manoeuvre-detectie en scoreverloop over tijd. Career-grade portfolio voor commerciële opleidingen, airline-interviews of recurrency checks.

career value

Sentinel G1 (via club abonnement)

Hardware en data-abonnement worden door de club / ATO gedragen. Piloten en instructeurs gebruiken Sentinel zonder eigen kost.

€0

Totaal terugverdiend per piloot per jaar

€1.640 + career-grade archief

Request Sentinel G1.

One autonomous flight data sensor per aircraft. Hardware €399, subscription €19/month including e-sim data bundle. Month-to-month, cancel anytime. Shipping from autumn 2026.

SENTINEL · VOORBEELDDATA · DEMO-CLUB URSEL

Vliegclub Ursel · Ingelogd als Vlootbeheerder (demo)

VANDAAG

Zondag 18 mei 2026 · 18:42

Vluchten · afgelopen 7 dagen

Registratie	Datum	Tijd	Hobbs	Alert	Landing G	Flight score
OO-VMX	zondag	14:32	1.2u	Harde landing	4.2G	52 F
OO-VNB	zondag	13:10	1.8u	—	1.3G	94 A
OO-WSP	zaterdag	16:40	1.4u	Harde remmen	1.1G	73 C
OO-TMA	zaterdag	10:20	2.1u	—	1.2G	96 A
OO-BVC	vrijdag	09:10	0.7u	—	1.8G	87 B

Vloot · 5 toestellen

OO-VMX

Cessna 172

1 ALERT

Vluchten

Hobbs

256.1 u

OO-VNB

Robin DR400

Vluchten

147

Hobbs

412.8 u

OO-TMA

Piper PA-28

Vluchten

412

Hobbs

1820.4 u

OO-BVC

Diamond DA40

WATCH

Vluchten

134

Hobbs

389.2 u

OO-WSP

Tecnam P2008

Vluchten

193

Hobbs

512.3 u

Registratie

OO-VMX

Tijdstip

Zo 14:32

Hobbs

1.2u

G-Trace · 10 Hz

20 sec rond touchdown · drempel 2.6G

Max G

4.2

Sink rate

-680 fpm

Bounces

Sideload

0.3G

RPM · 1 Hz

Volledige vlucht · engine start tot shutdown

Max RPM

2470

Gem. cruise

2210

Idle cooldown

1m 48s

Events · chronologisch

+ 00:00

Engine start Cold start, normal RPM rise

700 RPM

+ 02:14

Takeoff roll Full power applied, run smooth

2470 RPM

+ 05:32

Cruise reached 2200 ft, stable mixture

2210 RPM

+ 1:02:18

Descent begin Throttle reduced, smooth

1850 RPM

+ 1:09:47

Hard touchdown First contact, peak vertical G

4.2G

+ 1:09:48

Bounce 1 Aircraft lifted off runway

2.1G

+ 1:09:49

Bounce 2 Second contact, lower energy

1.8G

+ 1:11:30

Engine shutdown Cooldown 1m 48s

0 RPM

Jan Declercq · Ingelogd als Piloot (demo)

OO-VMX · Cessna 172Zondag 18 mei · 14:32 — 15:47

84 / 100

Flight grade B — Goede vlucht met aandachtspunt bij landing

Aggregaat van 6 auto-gedetecteerde manoeuvres (60% gewicht) en 4 flight-quality metrics (40%). Elke manoeuvre gescoord tegen FAA Airman Certification Standards toleranties (FAA-S-ACS-6B Private Pilot) waar van toepassing.

Smoothness

78/100

G-trace stdev · jerk events

Altitude precision

88/100

±50 ft hold tijdens cruise

Pattern accuracy

82/100

Turn rate · heading hold

Coordination

90/100

Slip ball · side-load minimaal

Per-manoeuvre breakdown · 6 gedetecteerd

A · uitstekend

Engine start & runup + 00:00

Cold start uitgevoerd volgens checklist. Magneto check toonde geen drop boven 175 RPM. Oil pressure binnen groene boog binnen 30s.

ACS-style breakdown

Cold start timeTarget ≤8 s · POH

6.4 s

Magneto drop (L/R)Target ≤175 RPM · POH

120 / 135 RPM

Carb heat RPM dropTarget 50-100 RPM · POH

85 RPM

Oil pressure to greenTarget ≤30 s · normal start

22 s

Idle RPM stabilityTarget 700 ±50 RPM

695 RPM (σ 18)

Engine vibration signatureTarget nominaal · accelero stddev

0.04 G σ

Throttle smoothness runupTarget ≤10%/s rate

6%/s

A · uitstekend

Takeoff roll + 02:14

Full power applied smooth, runway alignment binnen 1° tijdens roll. Rotation bij 55 KIAS — consistent met POH Vr van 55-60 KIAS.

ACS-style breakdown

Time to rotationTarget ≤14 s · C172 normal

12.8 s

Acceleration uniformityTarget σ ≤0.05 G longitudinal

0.04 G σ

Rotation speed (Vr)55-60 KIAS · POH

55 KIAS

Rotation pitch7-10° nose-up

8.2°

Yaw control during rollTarget Z-gyro σ ≤2°/s

1.4°/s σ

Runway alignment±2° vereist · gyro heading

±0.8°

Liftoff smoothnessTarget geen jerk >0.3 G

0.18 G peak

B · goed

Climb naar cruise + 02:30

Initial climb op Vy (74 KIAS) goed aangehouden. Pitch licht boven nominaal in eerste 500ft, daarna stabiel. Heading hold ±3° tijdens climb-out.

Verlaag pitch met 1-2° in initial climb om Vy beter te raken — verbetert climb gradient bij volle lading.

ACS-style breakdown

Initial climb rateTarget ≥600 fpm SL · baro derivate

720 fpm

Climb speed (Vy)74 KIAS ±5 · ACS

71 KIAS

Climb pitch5-7° nose-up · gyro Y

7.8°

Bank in climb turn-out15-20° standard rate

18°

Coordination in turnBall ±0.1 · lateral G

0.06 G

Heading hold straight climb±5° · gyro Z

±3°

Pitch oscillation (PIO)Target 0 events · gyro Y

B · goed

Cruise · 2200 ft + 05:32

Altitude hold ±50 ft over 22 min cruise. Mixture geleaned op 4000 ft DA. Lichte heading drift bij turn-out (±8°).

Trim opnieuw na elke koerswijziging — verkleint heading drift naar <5°.

ACS-style breakdown

Altitude hold±100 ft · baro vs target

±50 ft

Heading hold±10° · gyro Z integraal

±8°

Bank stability (wings level)Target σ ≤2° · gyro X

1.5° σ

Slip ball coordinationBall ±0.1 · lateral G

0.08 G

Pitch attitude cruise0-2° nose-up · gyro Y

1.4°

Cruise RPM2200-2400 economy

2210 RPM (σ 15)

Trim qualityHigh-freq input rate ≤2/min

2.4/min

C · voldoende

Descent & downwind + 1:02:18

Descent rate gemiddeld 520 fpm — iets hoog voor pattern entry. Downwind alignment ±15° van runway heading. Speed op base bracket goed.

Reduceer descent rate naar 400-500 fpm in pattern entry voor betere energie-management op base/final.

ACS-style breakdown

Descent rate≤500 fpm pattern · baro

520 fpm

Power reduction smoothnessTarget ≤200 RPM/s rate

280 RPM/s

Pattern altitudeTPA ±100 ft · baro

±120 ft

Downwind alignment±10° heading · gyro Z

±15°

Pattern turn bank25-30° · gyro X

22°

Flap deployment timingPer POH speed · deceleration signature

85 KIAS (in spec)

Base/final speed70 KIAS ±5

72 KIAS

D · onder norm

Final approach & landing + 1:09:47

Approach speed 5 KIAS te hoog op short final. Sink rate 680 fpm bij touchdown — boven 500 fpm aanbeveling. Peak G 4.2G met 2 bounces. Sideload door lichte crab niet uitgehaald.

Werk aan flare timing: voeg een korte pauze in tussen round-out en touchdown. Train hard-landing recovery met instructeur op simulator/dual.

ACS-style breakdown

Approach speed65 KIAS ±5 · ACS

70 KIAS

Glideslope stabilityVS σ ≤100 fpm · baro derivate

180 fpm σ

Flare initiation height1-3 ft AGL · baro

4 ft

Sink rate at touchdown≤500 fpm · POH

680 fpm

Touchdown G≤2.6 G · drempel · accelero Z

4.2 G

Crab angle at touchdown≤2° · heading vs track

3.1°

Sideload≤0.2 G lateraal · accelero Y

0.3 G

Bounces0 ideaal · G-peak detect

Roll-out alignment±0.5° centerline · gyro Z

±1.4°

Braking smoothnessDecel σ ≤0.1 G · accelero X

0.14 G σ