TCDS LTC-29

MODEIS: Sikorsky (Army) YR-6A, R-5A, (Navy) HOS-1 Helicopter (Approved 1/5/48) SPECIFICATION_NUMBER: I-29-1 (Eligible for Certification in Limited Category only.) (Holder of Limited Type Certificate: Stolp-Adams Company, Compton, CA) Engine Fuel 87 minimum octane aviation gasoline Engine limits All operations - 3275 rpm (235 hp) Airspeed limits (See NOTE 2) Glide or dive 100 mph Maximum weight C.G. range aircraft with rotor head (in neutral position) inclined 2 degrees to floor line. 96.4 inches to 102.6 inches of datum. For aircraft with rotor head (in netural position) inclined 3 degrees to floor line. 97.5 inches to 104.7 inches aft or datum. Datum The horizontal reference axis is 100 inches forward of the point of intersection of the center line of the main rotor drive shaft with the main rotor hub in its neutral plane. Cther operating Limitations Limited Type certificate A CAR effective Certification basis 11/21/46 Production basis None may be produced under this approval Export eligibility Not eligible for a Certificate of Airworthiness for Export No equipment other than engine is specified. However, such equipment as Civil Air Regulations Part 43.30 for the particular operation for NC aircraft must be installed. Also, any additional equipment necessary for the proper operation of the aircraft. In aûdition, the aircraft may incorporate such military equipment (except as was originally incorporated in the type for military or naval equipment may be installed as can ke substantiated on the basis that it presents no obvious hazard to safety. Weight and Balance Report including list of equipment included in the certificated empty weight must be surmitted for each aircraft. Navy weight records in current condition may be submitted in lieu of an actual weight. The equipment list need include no more than the following: Required equipment as defined under "Equipment" above. items as may be reasonably considered removable and are so located or of such weight that their removal or additior. could noticeably affect the weight and balance of the aircraft. Items built into the aircraft structure need not be listed. The equipment list must be prepared by the applicant for the approval of the certificating •A.A. representative, and in such form that it can be attached to th .A.A. Operation Limitations The followirg placards must be prominentiy displayed in the positiors In full view of all passengers: "This is a military type aircraft and under the Civil Air Regulations shall not be used for the carriage of passengers or cargo for compensation or nire." The placard and lettering shall be of a type which can be read easily from any seat in the cabin. In the cockpit in full view of the pilot: "All acrobatic maneuvers prohibited." "Night and instrument flight prohibited. ' "Do not apply rudder abruptly during flight." ¿Do not engage in maneuvers which require large and/or rapid lateral motions or reversals of the cyclical pitch control." NOTE his airplane must be operated at all times within the limitations set forth specifically called out in Aircraft Specification Ai-ex inhich thetations in Army Technical Order No. AN-01-230BC-1, The following statement must appear on the Operations Limitations: except for limitations given in the specification must be observed. A copy of the pertinent Army Technical Orders and Aircraft Specification AL-29 must be carried during In all cases it will be the responsibility of the applicant to secure a copy of the correct Technical Orders. The CAA does not have these documents available for distribution. NOTE 4. If any repairs or modifications are made prior to or subsequent to NI certification, it is the responsibility of the owner to furnish sufficient evidence to a Civil Aeronautics Administration representative to show that the modified airplane maintains the same degree of airworthi- The C.A.A. can give no technical assistance on such matters since complete structural data for NL aircraft are not required by Part 9 and therefore are not available in the C.A.A. No original NL airworthiness certiticates may be issued after 8/31/48. The list of mandatory changes required prior to original certification may be obtained from CAA Aircraft Service, Washington 25, D.C. Attn: A-298.