UAS OSC Volume 2

WARNING: This document was generated automatically and may contain errors and/or ommissions. You MUST review the data and satisfy yourself that it is complete and accurate. There is a link to the original source of the data below to help you do that.

Operator ID:

 

UAS Operating Safety Case
Volume 2 - UAS Description:

 

Document reference number:

 

Document version and date:

 


Amendment record

Amendment Number

Date

Amended by

Details of changes

 

 

 

 

CAP722A Table 6


Aircraft and systems description

UAS Model

Flip

UAS design & manufaturing organisations

DJI

UAS physical characteristics

Empty Mass

Maximum Take-Off Mass (MTOM)

Takeoff Weight:
‌< 249 g

‌Standard aircraft weight (including the Intelligent Flight Battery and a microSD card). Actual product weight may vary due to differences in batch materials and other factors. Training or examination is not required for flying this product in most countries and regions. Always check local laws and regulations before use. Always check and strictly abide by local laws and regulations before flying.

Dimensions for Rotorcraft / Multirotor

Length of aircraft body

Dimensions:
Folded: 136 x 62 x 165 mm (L x W x H)
Unfolded: 233 x 280 x 79 mm (L x W x H)

Width of aircraft body

Height of aircraft body

Propeller Configuration

Propeller Dimensions

Sound power level

Any other relevant information

CAP722A Table 7

UAS performance characteristics

Maximum airspeed

Max Horizontal Speed (at sea level, no wind):
At sea level, in windless conditions:
12 m/s* (Sport mode)
12 m/s (tracking status)
At sea level, with 4 m/s tailwind, while flying in the same direction as the wind:
16 m/s* (Sport mode)
12 m/s (tracking status)

* Measured in a wind tunnel test environment with the aircraft taking off from an altitude of 0 m and ascending vertically by 1.5 m in Sport mode. Data is for reference only. Always pay attention to reminders on the camera view during your flight.

Minimum airspeed to maintain safe flight

Normal/typical operating height

Max Takeoff Altitude:
3000 m

In a windless environment, a fully charged aircraft can take off from an altitude of 3000 m, ascend vertically by 500 m, and fly in Sport mode until the battery level drops to 20%. Data is for reference only. Always pay attention to reminders on the camera view during your flight.

Maximum operating height

Maximum flight time during normal operation

Max Flight Time:
31 minutes

Measured when flying forward at a constant speed of 6 m/s in a windless environment 20 m above sea level, in photo mode, and from 100% battery level until 0%. Actual experience may vary depending on the environment, usage, and firmware version.

Maximum flight time on an ISA day at cruising speed at normal/typical operating height.

Maximum flight range on an ISA day (normal and emergency conditions)

Max Flight Distance:
14 km

Measured when flying forward at a constant speed of 9 m/s in a windless environment 20 m above sea level, in photo mode, and from 100% battery level until 0%. Actual experience may vary depending on the environment, usage, and firmware version.

Glide distances

Maximum radio range of the C2 Link

CAP722A Table 8

UAS environmental limitations

Wind speed limits

Max Wind Speed Resistance:
10.7 m/s (Level 5)

Turbulence restrictions

Precipitation limits

OAT limits

Operating Temperature:
-10 Deg. to 40 Deg. C (14 Deg. to 104 Deg. F)

In-flight icing condition limits

Any other relevant information

CAP722A Table 9

Construction

Type of material

Material characteristics or properties

Any other relevant information

CAP722A Table 10

Electrical power system

Batteries:

Battery type, model and manufacturer

Capacity:
3110 mAh

Battery Type:
Li-ion

Chemical System:
LiNiMnCoO2

Quantity

Arrangement

Generator:

Generator type, model and manufacturer

Specification

Electrical loads

Nominal Voltage:
7.16 V

Energy:
22.3 Wh

Electrical load shedding functionality

Power supply redundancy

Procedures to charge and discharge batteries.

Safety provisions with regards to hazards inherent to high-voltage storage devices:

Procedures in place for safe handling by any person who may come into contact with high-voltage storage devices

Means of identifying high-voltage storage

Safety provisions for any person discovering the UA following an accident.

Procedures and safety provisions to mitigate the risk of battery thermal runaway.

Procedures for monitoring high-voltage storage devices.

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

Charging Temperature:
5 Deg. to 40 Deg. C (41 Deg. to 104 Deg. F)

Charging Time:
When Charging via Aircraft (30W max charging power):
From 0% to 100%: Approx. 70 minutes*

When Using the Battery Charging Hub for Charging One Battery (48W max charging power):
From 0% to 100%: Approx. 45 minutes**

When Using the Battery Charging Hub for Parallel Charging Two Batteries (65W max charging power):

Two batteries from 0% to 100%: Approx. 70 minutes***


* Using the DJI 30W USB-C Charger or a charger that supports the PD protocol with a power output higher than 30 W.
** Using the DJI 65W USB-C Charger or a charger that supports the PD protocol with a power output higher than 48 W.
*** Using the DJI 65W USB-C Charger or a charger that supports the PD protocol with a power output higher than 65 W.

CAP722A Table 11

Propulsion system

Propulsion type

Engines:

Type, model and manufacturer

Propeller type, model and manufacturer

Quantity

Arrangement

Power output

Propeller guards

In-flight restart functionality

Performance monitoring

Health monitoring

Safety features and redundancy in the system that allow maintaining flight after a failure or degradation has occurred in the propulsion system.

Fuel-powered propulsion system – Safety features to mitigate the risk of engine loss when the following hazards occur:

Fuel starvation

Fuel contamination

Failed signal input from the control station

Engine controller failure

Indication to the remote pilot

Electric-powered propulsion system:

Power source and supply management with regards to other systems in the UA

Redundant power sources

Maximum continuous power output of the motor

Maximum peak power output of the motor

Electrical distribution architecture

Electrical load shedding functionality

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 12

Fuel system

Fuel type

Safety provisions with regards to hazardous substances within the fuel system:

List of hazardous substances and their characteristics.

Procedures in place for safe handling of the UA by any person who may come into contact with the hazardous substances.

Means of identifying the hazardous substances.

Safety provisions for any person discovering the UA following an accident.

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 13

Flight Controls system

Design and operation of flight control units, surfaces, actuators, control linkages, etc.

Flight controller:

Type, model and manufacturer

Functions

Flight modes available

Automatic functions:

Take-off and landing

Stabilisation

Autopilot

Return to home

If functions are provided by COTS equipment, provide type, model and manufacturer.

Safety features and redundancy in the system which allow maintaining flight after a failure or degradation of the flight control system, including indication to the remote pilot.

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 14

Navigation

Sensors

Type, model and manufacturer

Global Navigation Satellite System:
GPS + Galileo + BeiDou

Quantity

Telemetry links

Method to determine current position.

Method to navigate to intended destination.

Automatic/automated navigation functions

Geo-awareness functions

Containment functions

Safety features and redundancy in the system which allow maintaining flight after a failure or degradation has occurred in the navigation system:

Backup means of navigation

Detection of and response to loss of primary means and secondary means of navigation.

Indication to the remote pilot

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 15

Detect and Avoid (DAA) systems

DAA system functions

Sensing Type:
Downward: one visual sensor and an infrared sensor, Forward: 3D Infrared Sensing System

Forward:
3D Infrared Sensing System
Measurement Range: 0.3-8 m (reflectivity > 10%)
FOV: Horizontal 60 Deg., Vertical 60 Deg.

Downward:
Measurement Range: 0.3-8 m (reflectivity > 10%)
Precise Hovering Range: 0.5-10 m
FOV: Horizontal 60 Deg., Vertical 60 Deg.

Devices used

Technology used

Interface between the DAA system and the flight control computer

Limitations of the DAA system

Operating Environment:
Downward:
Surfaces with discernible patterns, diffuse reflectivity > 20% (such as cement pavement), and adequate lighting (lux > 15)

Evidence of equipment qualification and approval.

DAA event sequence:

Level of automation

Actions required by the remote pilot

Means to verify normal system operation.

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 16

Other avionics systems

 

Command Unit (CU)

Power sources, supply management and redundancy.

Radio signal:

Determination of the signal strength and health value.

Threshold values which represent a critically degraded signal.

Control handover between two CUs

Safety features to mitigate the risk of inadvertent command activation:

List of critical commands

Mitigation means

Safety features to mitigate the risk of display or HMI lock-up.

Safety features to maintain flight-critical processing when multiple programs are running concurrently.

HMI:

Information indicated to the remote pilot.

Radio signal strength and/or health indication to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 17

Command an Control (C2) link

RLOS

BRLOS

Antennas:

Type, model and manufacturer

Locations on the UAS

Transceivers / Modems:

Power levels

Transmitter Power (EIRP):
2.4 GHz:
<20 dBm(FCC/CE/SRRC/MIC)

5.8 GHz:
<20 dBm(FCC/SRRC)
<14 dBm (CE)

Transmitter Power (EIRP):
<10 dBm

Transmission schemes

Protocol:
802.11a/b/g/n/ac

Operating frequencies

Details of frequency spectrum approvals

Operating Frequency[1]:
2.4000 GHz-2.4835 GHz
5.7250 GHz-5.850 GHz

Operating frequency allowed varies among countries and regions. Refer to local laws and regulations for more information.

Operating Frequency:
2.4000-2.4835 GHz

Operating frequency allowed varies among countries and regions. Refer to local laws and regulations for more information.

Maximum power output/range

Type of signal processing

Datalink margin in terms of the overall link bandwidth at the maximum anticipated distance from the CU.

Operational C2 link management:

Frequency switchovers

Contingency situations

Third party link service provider

Radio signal:

Determination of the signal strength and health value

Threshold values which represent a critically degraded signal.

Minimum and average assured data rates

Minimum and average assured latencies

Design features and procedures to maintain availability, continuity, and integrity of the datalink:

RF or other interference

Flight beyond communications range

Antenna masking

Loss of CU functionality

Loss of UA functionality

Atmospheric attenuation

Safety features to mitigate the risk of loss of C2 link:

C2 links redundancy

Automatic triggering of an emergency recovery function

Automatic return to home

Safety features to mitigate the risk of harmful interference.

HMI:

Information indicated to the remote pilot.

Radio signal strength and/or health indication to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 18

Communications

Antennas:

Type, model and manufacturer

Locations on the UAS

Communication method:

VHF

GSM network

Satellite

Safety features to mitigate the loss of communication function:

Primary communication means

Secondary / back-up communication means

HMI:

Information indicated to the remote pilot.

Radio signal strength and/or health indication to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 19

Take-off and landing mechanisms

Wheels, skids, rails, launchers, etc.

If various mechanisms can be fitted:

Primary mechanism

Secondary mechanisms

Operational conditions/requirements for each mechanism.

Any other relevant information

CAP722A Table 20

Emergency recovery and safety systems

Mode of operation

Safety features which mitigate the risk of loss of control or situational awareness.

Means to verify normal system operation.

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 21

External lighting

Type, model and manufacturer

Locations on the UA

Colour

Operation

Operating modes

Purpose

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 22

Payload

Types

Mass

Interfaces with the UA:

Mechanical interface

Electrical interface

Data interface

Release mechanism

Any other interface

Procedures to install the payload onto the UA.

Effects of the payload on the UA

Sensors

Image Sensor:
1/1.3-inch image sensor

Safety features to mitigate the risk of the payload affecting the flight of the UA:

Effects on aerodynamics

Effects of electro-magnetic interference.

Effects of electrical power and / or data connection failures on the UAS.

Effects of complete detachment of the payload from the UA (either caused by a failure or through intentional lowering / dropping of the payload).

Effects of partial detachment of the payload from the UA.

Distraction of the remote pilot generated by the payload during flight.

Procedures to verify the attachment points to the UA.

Procedures to verify the UA MTOM and CG location.

Procedures to detect and mitigate any failure of the payload in flight.

Safety provisions with regards to hazards inherent to the payload

Procedures in place for safe handling of the payload.

Means of identifying hazards.

HMI:

Information indicated to the remote pilot.

Alert messages indicated to the remote pilot.

Any other relevant information

CAP722A Table 23

Ground support equipment

UAS launch and recovery systems

Power sources

Transportation equipment

Backup or emergency equipment

Procedures to transport UA, CU, battery/fuel, and other equipment between operation sites and from the loading/off-loading area to the take-off/landing area.

Storage of ground support equipment.

Suitability of the ground support equipment and transportation method with regards to the UAS components’ fragility, sensitivity or inherent hazards.

Ground support equipment standards

Ground support equipment manufacturer's recommendations.

Any other relevant information

CAP722A Table 24

Maintenance

Maintenance manual:

Structure

Maintenance procedures:

Inspections

Overhaul

Repairs

Assurance of repair procedures

Batteries maintenance during storage periods

Origin of each procedure

Maintenance schedules

Procedures to record maintenance that has been carried out.

Storage of maintenance records

Staff qualification and levels of approval.

Procedures to use the manual by the Maintenance staff

Configuration control

Any other relevant information

CAP722A Table 25

Spare parts procurement

Sources of procurement

Process to confirm the suitability of the part.

Any other relevant information

CAP722A Table 26

Change Management and modifications to the system

Hardware, software, and firmware version control

Modification standards

Modification records storage

Safety assessment associated with the modification

Any other relevant information

CAP722A Table 27


Safety features of the UAS

Step 1 – Identify the main functions of the UAS.

 

Step 2 – Identify the sub-functions.

 

Step 3 – Consider the ways each function may fail.

 

Step 4 – Identify the failure conditions.

 

Step 5 – Select those failure conditions that may lead to mid-air collision or harm to uninvolved people on the ground. (Identified Hazard)

 

Step 6 – Assurance

 

Step 7 – Describe the consequence of the failure condition.

 

Step 8 – Describe the failure modes. (Unmitigated Failures)

 

Step 9 – Identify the single points of failure.

 

Step 10 – Describe the risk mitigation means.

 

CAP722A Table 28


ANNEX - Manufacturer supplied data forDJI Flip

Aircraft

Takeoff Weight‌< 249 g

‌Standard aircraft weight (including the Intelligent Flight Battery and a microSD card). Actual product weight may vary due to differences in batch materials and other factors. Training or examination is not required for flying this product in most countries and regions. Always check local laws and regulations before use. Always check and strictly abide by local laws and regulations before flying.
DimensionsFolded: 136 x 62 x 165 mm (L x W x H)
Unfolded: 233 x 280 x 79 mm (L x W x H)
Max Ascent Speed5 m/s (Sport mode)
5 m/s (Normal mode)
2 m/s (Cine mode)
Max Descent Speed5 m/s (Sport mode)
5 m/s (Normal mode)
1.5 m/s (Cine mode)
Max Horizontal Speed (at sea level, no wind)At sea level, in windless conditions:
12 m/s* (Sport mode)
12 m/s (tracking status)
At sea level, with 4 m/s tailwind, while flying in the same direction as the wind:
16 m/s* (Sport mode)
12 m/s (tracking status)

* Measured in a wind tunnel test environment with the aircraft taking off from an altitude of 0 m and ascending vertically by 1.5 m in Sport mode. Data is for reference only. Always pay attention to reminders on the camera view during your flight.
Max Takeoff Altitude3000 m

In a windless environment, a fully charged aircraft can take off from an altitude of 3000 m, ascend vertically by 500 m, and fly in Sport mode until the battery level drops to 20%. Data is for reference only. Always pay attention to reminders on the camera view during your flight.
Max Flight Time31 minutes

Measured when flying forward at a constant speed of 6 m/s in a windless environment 20 m above sea level, in photo mode, and from 100% battery level until 0%. Actual experience may vary depending on the environment, usage, and firmware version.
Max Hovering Time28 minutes

Measured when hovering in a windless environment 20 m above sea level, in photo mode, and from 100% battery level until 0%. Actual experience may vary depending on the environment, usage, and firmware version.
Max Flight Distance14 km

Measured when flying forward at a constant speed of 9 m/s in a windless environment 20 m above sea level, in photo mode, and from 100% battery level until 0%. Actual experience may vary depending on the environment, usage, and firmware version.
Max Wind Speed Resistance10.7 m/s (Level 5)
Operating Temperature-10 Deg. to 40 Deg. C (14 Deg. to 104 Deg. F)
Global Navigation Satellite SystemGPS + Galileo + BeiDou
Internal Storage2 GB
C0 (EU)

Camera

Image Sensor1/1.3-inch image sensor
LensFOV: 82.1 Deg.
Format Equivalent: 24 mm
Aperture: f/1.7
Focus: 1 m to ∞
ISO RangeVideo
Normal/Slow Motion:
100-6400 (Normal)
100-1600 (D-Log M)
Photo
12MP Photo: 100-6400
48MP Photo: 100-3200
Shutter Speed12MP Photo: 1/16000-2 s (2.5-8 s for simulated long exposure)
48MP Photo: 1/8000-2 s
Max Image Size48MP Photo
8064 x 6048
Still Photography ModesSingle Shot: 12 MP and 48 MP
Burst Shooting:
12 MP, 3/5/7 frames Automatic Exposure Bracketing (AEB):
12 MP, 3/5/7 frames at 2/3 EV step
Timed:
12 MP, 2/3/5/7/10/15/20/30/60 s
Photo FormatJPEG
DNG/RAW
Video Resolution4K: 3840 x 2160@24/25/30/48/50/60/100fps
FHD: 1920 x 1080@24/25/30/48/50/60/100fps
2.7K Vertical Shooting: 1512 x 2688@24/25/30fps
FHD Vertical Shooting: 1080 x 1920@24/25/30fps
Video FormatMP4
Max Video Bitrate150Mbps
Supported File SystemexFAT
Color ModeNormal
D-Log M
Digital Zoom4K: 3x
FHD: 4x
2.7K Vertical Shooting: 3x
FHD Vertical Shooting: 4x
12 MP Photo: 3x

Gimbal

Stabilization3-axis mechanical gimbal (tilt, roll, pan)
Mechanical RangeTilt Axis: -130 Deg. to +63 Deg.
Roll Axis: -47 Deg. to +47 Deg.
Pan: -30 Deg. to +30 Deg.
Controllable RangeTilt Axis: -90 Deg. to +35 Deg.
Max Control Speed (tilt)100 Deg./s
Angular Vibration Range±0.01 Deg.

Sensing

Sensing TypeDownward: one visual sensor and an infrared sensor, Forward: 3D Infrared Sensing System
Forward3D Infrared Sensing System
Measurement Range: 0.3-8 m (reflectivity > 10%)
FOV: Horizontal 60 Deg., Vertical 60 Deg.
DownwardMeasurement Range: 0.3-8 m (reflectivity > 10%)
Precise Hovering Range: 0.5-10 m
FOV: Horizontal 60 Deg., Vertical 60 Deg.
Operating EnvironmentDownward:
Surfaces with discernible patterns, diffuse reflectivity > 20% (such as cement pavement), and adequate lighting (lux > 15)

Video Transmission

Video Transmission SystemO4
Live View QualityRemote Controller:
Up to 1080p/60fps
Operating Frequency2.4000-2.4835 GHz
5.170-5.250 GHz
5.725-5.850 GHz

Operating frequency allowed varies among countries and regions. Refer to local laws and regulations for more information.
Transmitter Power (EIRP)2.4 GHz:
<30 dBm (FCC)
<20 dBm (CE/SRRC/MIC)

5.1 GHz:
<23 dBm (CE)

5.8 GHz:
<33 dBm (FCC)
<14 dBm (CE)
<30 dBm (SRRC)
Max Transmission Distance (free of interference)Low Interference and Obstructed by Buildings: Approx. 0-0.5 km
Low Interference and Obstructed by Trees: Approx. 0.5-2 km

Measured under FCC standard in obstructed environments with typical low interference. Used for reference purposes only and provides no guarantee for actual transmission distance.
Max Download SpeedO4:
DJI RC-N3 Remote Controller: 10 MB/s
DJI RC: 10 MB/s
Wi-Fi 5: 30 MB/s

Measured in a laboratory environment with little interference in countries/regions that support both 2.4 GHz and 5.8 GHz. Download speeds may vary depending on the actual conditions.
Lowest LatencyApprox. 120 ms

Depending on the actual environment and mobile device.
Antenna4 antennas (2.4 GHz: 1T2R; 5.2/5.8 GHz: 2T2R)

Wi-Fi

Protocol802.11a/b/g/n/ac
Operating Frequency[1]2.4000 GHz-2.4835 GHz
5.7250 GHz-5.850 GHz

Operating frequency allowed varies among countries and regions. Refer to local laws and regulations for more information.
Transmitter Power (EIRP)2.4 GHz:
<20 dBm(FCC/CE/SRRC/MIC)

5.8 GHz:
<20 dBm(FCC/SRRC)
<14 dBm (CE)
50 m

Measured in an open environment free of interference. Actual transmission distance may vary by the operating environment.

Bluetooth

ProtocolBluetooth 5.0
Operating Frequency2.4000-2.4835 GHz

Operating frequency allowed varies among countries and regions. Refer to local laws and regulations for more information.
Transmitter Power (EIRP)<10 dBm

Battery

Capacity3110 mAh
WeightApprox. 83.5 g
Nominal Voltage7.16 V
Battery TypeLi-ion
Chemical SystemLiNiMnCoO2
Energy22.3 Wh
Charging Temperature5 Deg. to 40 Deg. C (41 Deg. to 104 Deg. F)
Charging TimeWhen Charging via Aircraft (30W max charging power):
From 0% to 100%: Approx. 70 minutes*

When Using the Battery Charging Hub for Charging One Battery (48W max charging power):
From 0% to 100%: Approx. 45 minutes**

When Using the Battery Charging Hub for Parallel Charging Two Batteries (65W max charging power):

Two batteries from 0% to 100%: Approx. 70 minutes***


* Using the DJI 30W USB-C Charger or a charger that supports the PD protocol with a power output higher than 30 W.
** Using the DJI 65W USB-C Charger or a charger that supports the PD protocol with a power output higher than 48 W.
*** Using the DJI 65W USB-C Charger or a charger that supports the PD protocol with a power output higher than 65 W.

Battery Charging Hub

Input5 V, 4.3 A
9 V, 4.3 A
12 V, 4.3 A
15 V, 4.3 A
Output15 V, 2 A
12 V, 2 A
9 V, 3 A
5 V, 3 A
Rated Power65 W
Charging Type2 batteries charged simultaneously or in sequence
CompatibilityDJI Flip Intelligent Flight Battery

Charger

Recommended ChargerDJI 65W Portable Charger*
USB Power Delivery chargers

* When you charge the battery mounted to the aircraft, the maximum charging power supported is 30 W.
* When you charge the battery inserted into the Parallel Charging Hub, the maximum charging power supported is 65 W.

Storage

Recommended microSD CardsKingston CANVAS Go! Plus 64GB U3 A2 V30 microSDXC
Kingston CANVAS Go! Plus 128GB U3 A2 V30 microSDXC
Kingston CANVAS Go! Plus 256GB U3 A2 V30 microSDXC
Kingston CANVAS Go! Plus 512GB U3 A2 V30 microSDXC
Lexar Professional 1066x 64GB U3 A2 V30 microSDXC
Lexar Professional 1066x 128GB U3 A2 V30 microSDXC
Lexar Professional 1066x 256GB U3 A2 V30 microSDXC
Lexar Professional 1066x 512GB U3 A2 V30 microSDXC

Without Charging Any Mobile Device: 3.5 hours
When Charging a Mobile Device: 1.5 hours
-10 Deg. to 40 Deg. C (14 Deg. to 104 Deg. F)
180 x 86 x 10 mm (L x W x H)

APP

Mobile Device AppDJI Fly
Required Operating SystemiOS 13.0 or later
Android 7.0 or later

Data source: https://www.dji.com/uk/flip/specs

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Source data acquired 2025-01-09 12:23:43