Section 908
Airtow Hook
Page Date: 20. April 2002 908 - 3
Pilot´s Operating Handbook
EXTRA 300L
908.1 GENERAL
The EXTRA 300/L 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.
908.2 LIMITATIONS
The following combinations are certified:
Aircraft
a) 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
b) Engine: AEIO-580-B1A
Propeller: MTV-9-B-C/C 198-25 (restricted to max. 2600 RPM) or MTV-14-B-C/C190-17
Exhaust system: Typ Gomolzig EA 300-606000
Air-tow release system according to replacement instruction: UA-300-4-95
Air-tow release: "TOST, E 85"
Glider
MTOW of the glider: 765Kg (1687 lbs)
Max. air towing speed of the glider: 152 km/h or above
Air tow cable and breaking piece (weak links)
Length of the synthetic tow between 40 m (130 ft) and 60 m (195 ft)
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) must be interconnected.
For a safe air towing the following points must be observed:
N O T E*
2-seats only in case of an instruction flight!
1.) Maximum air-towing speed = maximum permissible air-towing speed of the glider.
2.) The maximum permissible cylinder head temperature is 500°F (red line) for AEIO-540
and 465°F (red line) for AEIO-580.
3.) Interior mirror mounted.
For the location of the yellow release knob the following placard has to be attached in the
near of the knob:
AIR TOW
Page Date: 20. January 2016
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