DJI Mavic 4 Pro
NL-REG-01
Est. 86 of 100 flight hours · 11 of 12 months
Drone propeller maintenance
Track DJI propeller wear, maintenance, and replacement before safety is compromised
PropWatch is a calm maintenance tracker for drone propeller maintenance, estimated flight hours, replacement tracking, impacts, and maintenance reminders — built for DJI drones and serious pilots who want clarity without spreadsheet overhead.
Product
A clear view of every propeller
See wear, calendar age, and attention items for each drone in a focused mobile-first dashboard.
propwatch.tomknol.nl/app
PropWatch
6 healthy · 2 attention items
Settings
Inspection due
DJI Mavic 3 Cine
NL-REG-02
Est. 42 of 100 flight hours · 5 of 12 months
Compatibility
Supported DJI drones
PropWatch works with any drone you add, with first-class support for popular DJI models.
- DJI Mavic 4 Pro
- DJI Mavic 3 Pro
- DJI Mavic 3 Cine
- DJI Air 3
- DJI Mini 4 Pro
Safety
Why propellers need replacement
Propellers wear in more ways than a quick visual check reveals. PropWatch helps you track the signals that matter.
Material fatigue
Repeated spinning loads the propeller structure. Over time, stiffness drops and vibration increases.
UV exposure
Sunlight degrades polymer surfaces. Outdoor drones age faster than the airframe alone suggests.
Micro cracks
Small stress fractures are easy to miss during a quick visual check but still affect flight safety.
Impacts
Hard landings, branches, and collisions can damage blades internally without obvious deformation.
Flight hours
Accumulated flight time is one of the most practical indicators of propeller wear for active pilots.
Calendar aging
Even lightly flown propellers age in storage. Time-based replacement limits remain important.
Guidance
Recommended replacement intervals
Manufacturers do not publish one universal replacement interval for every propeller and use case. These conservative best-practice recommendations are a practical starting point.
| Use case | Recommendation |
|---|---|
| Professional use | Replace after approximately 100 flight hours or after 12 months, whichever comes first. Replace immediately after a significant impact. |
| Recreational use | Inspect regularly and replace sooner if damaged, cracked, deformed, noisy, or after any relevant impact. |
Features
Everything you need to stay ahead of wear
Built for pilots who want reliable maintenance tracking without noise.
Flight hour tracking
Estimate wear from installed date and your monthly flight rhythm.
Calendar age tracking
Track propeller age in months alongside estimated flight hours.
Impact logging
Record hard landings and collisions with optional immediate replacement rules.
Maintenance history
Review replacement history per propeller position over time.
Multiple drones
Manage every aircraft in your fleet from one calm mobile-first dashboard.
Multiple propeller sets
Track active installations and archived sets without losing context.
Smart replacement reminders
Get warning states before limits are reached, based on your own protocol.
Secure webhook notifications
Send encrypted alerts to your own endpoint when attention is required.
FAQ
Common questions about drone propeller maintenance
How often should drone propellers be replaced?
There is no single universal interval. PropWatch helps you follow conservative best-practice limits based on estimated flight hours, calendar age, and impacts. Professional pilots often replace around 100 flight hours or 12 months, whichever comes first.
How many hours do DJI propellers last?
DJI does not publish one fixed hour limit for every model. Many operators use roughly 80 to 100 estimated flight hours as a warning zone and replace sooner after visible damage or a relevant impact.
Should all four propellers be replaced together?
Not always, but replacing all four keeps wear balanced and simplifies maintenance history. PropWatch supports both single-position and full-set replacements.
Can damaged propellers be repaired?
Minor cosmetic marks are not the same as structural damage. PropWatch is a maintenance aid, not a repair guide. Replace propellers when impact, cracks, deformation, or wear limits indicate it.
Does PropWatch support multiple drones?
Yes. Each account can manage multiple drones privately, with separate propeller sets, history, and notification settings per user.
Start tracking propeller maintenance with confidence
Create a free account, add your DJI drone, and keep flight hours, calendar age, and replacement history in one private dashboard.