TYPE: Raven (1) MANUFACTURER: Medway Microlights, Burrow Lane, Middle Stoke, Rochester, Kent, ME9 9RN (2) UK IMPORTER: (3) CERTIFICATION: BCAR Section S: Advance issue, March 1983 (4) DEFINITION OF BASIC STANDARD: S.I. 1301 Issue A Schedules - Incorporating Mod No. SIB 0010 Mod No. SIB 0012 (5) COMPLIANCE WITH THE MICROLIGHT DEFINITION (a) MTOW 343 kg (pre mod MM10) 367 kg (post mod MM10) (b) No. Seats 2 (c) Maximum Wing Loading 22.9 kg/m² (pre mod MM10) 24.5 kg/m² (post mod MM10) (d) Vso 34 mph IAS (e) Permitted range of pilot weights 70 90 kg per seat. (f) Typical Empty Weight (ZFW) 146 kg (g) ZFW + 172 kg crew + 1 hr fuel 329.5 kg (16 litres / 11.5 kg) (h) ZFW + 86 kg pilot + full fuel 250 kg (25 litres / 18 kg) (i) Max ZFW at initial permit issue 159.5 kg (pre mod MM10) 183.5 kg (post mod MM10)
(6) POWER PLANTS Designation Engine Type Raven Fuji Robin EC44PM Reduction Gear Exhaust System Niclow Toothed Belt 2.6:1 Nicklow Intake System Propeller Type Nicklow Propeller Dia x Pitch 58 x 36 Noise Type Cert No. AAN approving configuration 32M 19718 (7) MANDATORY LIMITATIONS: (A) Max Take-Off Weight (B) CG Limits (C) CG datum 343 kg (pre mod MM10) 367 kg (post mod MM10) (D) Cockpit Loadings Front Rear Total Min 75kg - 75 kg Max 90 kg 90 kg 180 kg (E) Never Exceed Speed (F) Manoeuvring Speed (G) Permitted Manoeuvres (H) Fuel Contents (Max Useable) 100 mph 68 mph 30 Nose up / 30 nose down Non Aerobatic Normal acceleration limits, +4 / 0g 25 litres TADS BM-18 issue 5 Page 2 of 8
(I) Power Plant See Table Engine Fuji Robin EC44PM Max RPM 6500 MAX CHT MAX EGT Fuel Spec Engine Oil Spec Regular Mogas 2 Stroke Oil Gearbox oil spec Fuel/Oil Mix 40:1 Coolant Temperature Oil Pressure Oil Temperature Fuel Pressure (8) INSTRUMENTS REQUIRED: ASI Altimeter RPM CHT / EGT Compass Winter 0- Required Required 110 mph Coolant temp Fuel Pressure VSI Slip ball (9) CONTROL DEFLECTIONS: Elevator UP: Elevator DOWN: Ailerons* UP: Ailerons* Down: Tailplane trim UP: Tailplane trim DOWN Rudder LEFT: Rudder RIGHT: TADS BM-18 issue 5 Page 3 of 8
(10) PILOT'S NOTES, MAINTENANCE MANUALS REFERENCES: 10.1 Manuals approved for use with this aircraft. (a) S.I. report R150 Issue 3 with Appendix B 10.2 The following placards are to be fitted:- (a) Flight Limitations Placard (to be visible to pilot) See Annex D. (b) Engine Limitations Placard (to be located near to engine instruments) See Annex D. (c) Fuel Limitations Placard (to be located near to filler cap) A placard is to be fitted showing fuel capacity ( litres), fuel type(s), fuel:oil ratio (if relevant) and if MTOW can be exceeded with full fuel and maximum cockpit weight, the fuel loads at MTOW for cockpit weights of 180kg / 170kg / 160kg etc. at 10kg intervals down to the maximum fuel load. An example is shown at Annex D. (d) Switches See Annex D. (11) MANDATORY MODIFICATIONS / SERVICE BULLETINS / AIRWORTHINESS DIRECTIVES ETC: See Annex A for required modifications. Annual Bettsometer test is to be carried out to 1360 grammes with wing sails fitted and tensioned to flight. Test must be to both upper and lower surfaces. CAA AD Associated Material Description 004-09-86 Southdown International Wing tuning and geometry adjustments. SB003 & SB004 (12) MINIMUM PERFORMANCE AT MAX TAKE-OFF WEIGHT Rate of Climb: Stall or Minimum Flying Speed: 600 fpm 34 mph TADS BM-18 issue 5 Page 4 of 8
Issue History Issue No. 1 16/06/86 Initial Issue W A Bevan Reason and signatory 2 21/11/94 Addition of noise information and change of manufacturer details. W A Bevan 3 12/04/95 Addition of CAA AAN. W A Bevan 4 17/02/04 Reformatting, addition of applicable Major Modifications and addition of MPD. J C Barratt 5 18/04/07 Correction to Maximum ZFW at permit issue (item 5(i)). JC Barratt TADS BM-18 issue 5 Page 5 of 8
Illustration of Aircraft - 3 View TADS BM-18 issue 5 Page 6 of 8
ANNEX A MANDATORY MODIFICATIONS 1. MPD 2001-006 Upper Torso Restraint for Passengers ANNEX B - APPROVED OPTIONAL MODIFICATIONS The installation of all optional modifications is to be inspected by a BMAA inspector and an entry made in the appropriate logbook(s). Note that other approved modifications may exist which are not listed here. Mod MM5 MM10 MM13 Description Extra Batten for Raven wing Weight increase to 367 kg & installation of extended range fuel tank 25 litres Electric Carburettor Heater ANNEX C WEIGHING INFORMATION 1. CG Datum: 2. Weighing attitude: 3. Mainwheel moment arm: 4. Nosewheel moment arm: (units) (direction) of datum 5. Fuel moment arm: (units) (direction) of datum 6. Crew moment arm: (units) (direction) of datum 7. Crew weights: Minimum 75 kg / maximum 90 kg (maximum reducible, not below 86 kg, if required). 8. Aft CG Limit: (units) (direction) of datum 9. Fwd CG Limit: (units) (direction) of datum TADS BM-18 issue 5 Page 7 of 8
ANNEX D EXAMPLE PLACARDS (a) Flight Limitations Placard (to be visible to pilot) [Type] [Engine] [Registration] Never Exceed Speed: 100 mph IAS Manoeuvring Speed : 68 mph IAS Stall Speed: 34 mph IAS Best climb speed: 45 mph IAS Best glide speed: 42 mph IAS Pitch Limits: 30 nose down, 30 nose up. Bank angle limits: +/- 60 Maximum Stall entry rate: 1 kt/s Normal Acceleration Limits: +4 / 0g Empty Weight: 146 kg * Max Take-Off Weight: 343 kg Minimum Cockpit Weight: 75 kg Maximum Cockpit Weight: 90 kg in each seat.* Aerobatics and deliberate spinning prohibited. * This must match the most recent W&CG report for the aircraft. (b) Engine Limitations Placard (to be located near to engine instruments) A placard showing the limitations for all indicated engine parameters is to be mounted close to the engine instruments. This requirement need not be complied with for limitations shown as coloured markers (red for danger, amber for caution) on the instrument displays. (c) Fuel Limitations Placard (to be located near to filler cap) (d) Switches FUEL Capacity Litres (50:1 2 Stroke oil / do not add oil) Cockpit Weight (kg) Max. Fuel Load (litres) 180 170.. Or below Full fuel Regular MOGAS All switches are to be marked with function and sense (up=on, down=off). TADS BM-18 issue 5 Page 8 of 8
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