Extra 300S - General; Limitations

Page Date: 20. April 2002 907 - 3
Section 907
Airtow Hook
Pilot´s Operating Handbook
EXTRA 300S
907 AIRTOW HOOK
907.1 GENERAL
The EXTRA 300/S can optionally be equipped with a "TOST" glider air-tow release Typ E
85. The release mechanism is mounted at the tail spring end and actuated from the cockpit
by a yellow knob.
The following combinations are certified:
Aircraft
Engine: AEIO 540-L1B5 or AEIO 540-L1B5D
Propeller: MTV-14-B-C/C190-17
Exhaust system: Typ Gomolzig EA 300-606000 or standard exhaust PC-63104 with
silencer: NSD GO3-606500
Air-tow release system according to replacement instruction: UA-300-4-95
Air-tow release: "TOST, E 85"
Glider
MTOW of the glider: 765Kg
Max. air towing speed of the glider: min. 152 Km/h
Air tow cable and breaking piece (weak links)
Length of the synthetic tow between 40 m and 60 m
Ultimate load of the air-tow max. 850 kp (1875 lbs)
If tows with higher ultimate load are used a breaking piece (weak links) of max. 850 kp
(1875 lbs) needs to be interconnected.
907.2 LIMITATIONS
For a safe air towing the following points must be observed:
1.) MTWO of the aircraft: 820 kg (1808 lbs)
2.) Max. empty weight of the aircraft: 697 kg (1536 lbs)
3.) passenger: pilot only
4.) Min. air-towing speed: 66 KIAS
5.) Best air-towing speed: 72 KIAS - 76 KIAS
6.) Maximum air-towing speed = maximum permissible air-towing speed of the glider
7.) The maximum permissible cylinder head temperature is 500° F (red line).
8.) interior mirror mounted
For the location of the yellow release knob the following placard has to be attached in the
near of the knob:
CAUTION
CAUTION
AIR TOW