No 1 air observers navigation school three week examination

MHudsonJD173116-151001-020003.jpg

Title

No 1 air observers navigation school three week examination

Description

Time allowed 3 hours. Ten questions on mathematics, navigation and maps.

Publisher

IBCC Digital Archive

Date

1939-12-02

Contributor

Roger Dunsford

Rights

This content is available under a CC BY-NC 4.0 International license (Creative Commons Attribution-NonCommercial 4.0). It has been published ‘as is’ and may contain inaccuracies or culturally inappropriate references that do not necessarily reflect the official policy or position of the University of Lincoln or the International Bomber Command Centre. For more information, visit https://creativecommons.org/licenses/by-nc/4.0/ and https://ibccdigitalarchive.lincoln.ac.uk/omeka/legal.

Format

One page printed document

Language

Identifier

MHudsonJD173116-151001-020003

Coverage

Temporal Coverage

Transcription

[underlined] No. 1 A.O.N.S. COURSE A. 2.
THREE WEEKS’ EXAMINATION – 2.12.39.
Time – 3 hours. [/underlined] Each question carries 10 marks.
Keep your answers to each [underlined] Section [/underlined] on a separate sheet of paper.

1. One pump fills a tank in 3 hours. A second pump fills it in 8 hours and a third pump empties it in 4 hours. How long will it take to fill the tank if all three pumps are working together? [inserted] 4hrs. 48 [/inserted]
2. Find the values for x and y which will satisfy the following equations:-
[equation] [inserted] x=9 y=2 [/inserted]
[equation]

3. Define:- COURSE (a) True
(b) Magnetic
(c) Compass
Draw one diagram illustrating your answers (a), (b), (c), for the following values ….
True Course - 246˚
Magnetic Course - 260˚
Compass Course - 255˚

4. Sketch the conventional signs for the following on maps:-
(a) Danger Area; (b) Air Corridor; (c) Airship Hangar; (d) Airway Obstruction over 200 feet; (e) Prohibited Area.
5. Define:- Nautical Mile; Knot; Statute Mile; Vertical Interval; Horizontal equivalent.

6. S/C at 0800 from Prestwick to a position “B” which is 090˚ [inserted] 0830 [/inserted] Prestwick 40 miles, allowing for a wind 010/30 m.p.h. The A/S is 90 m.p.h. and Var. 15˚ W. What is course (M), G/S and E.T.A ?
Work this on plain paper to a scale of 1 inch to 20 miles. Draw a true meridian through Prestwick, letter your figure and state what all lines and three angles represent. Also mark lines in conventional manner.

7. Define: Inversion; Lapse Rate; Isobar; Gradient Wind.
8. You are flying at an indicated height of 8,500 feet. The average temperature between you and the ground is 20.5˚ F. What is your correct height? (Approx.) [inserted] 7,998.5 [/inserted]

9. Define: Hard Iron; Soft Iron; Isoclinal Line; Field of Force.
10. Explain [underlined] briefly [/underlined] how the values of the Earth’s Horizontal Force, and Vertical Force vary between the Equator and the Poles.

Citation

Great Britain. Royal Air Force , “No 1 air observers navigation school three week examination,” IBCC Digital Archive, accessed August 24, 2019, https://ibccdigitalarchive.lincoln.ac.uk/omeka/collections/document/10925.

Item Relations

This item has no relations.

Can you help improve this description?